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113-431: The facility is designed to serve exhibition, conventions, and meetings and other events with the focus primarily on groups of 800 to 1,200 people with a capacity of 4,000 for a general session. The building consists of several levels with an adjacent parking garage. The first floor contains the 50,000 sq ft (4,600 m) column-free exhibition hall that spans approximately two and half stories in height and includes

226-543: A circular economy . Draft versions of LEED v5 were released for public comment in 2024, and the final version of LEED v5 is expected to appear in 2025. It may address some of the previous criticisms. Despite concerns, LEED has been described as a "transformative force in the design and construction industry". LEED is credited with providing a framework for green building, expanding the use of green practices and products in buildings, encouraging sustainable forestry, and helping professionals to consider buildings in terms of

339-517: A "closed economy," in which resources and sinks are tied and remain as long as possible part of the economy. Boulding's essay "The Economics of the Coming Spaceship Earth" is often cited as the first expression of the "circular economy", although Boulding does not use that phrase. The circular economy is grounded in the study of feedback -rich ( non-linear ) systems, particularly living systems . The contemporary understanding of

452-539: A Canadian provider organization and a green rater. The provider organization helps the project through the process while overseeing the green raters, individuals who conduct two mandatory site inspections: the thermal bypass inspection and the final inspection. The provider and rater assist in the certification process but do not themselves certify the project. In addition to certifying projects pursuing LEED, USGBC's Green Business Certification Inc. (GBCI) offers various accreditations to people who demonstrate knowledge of

565-507: A LEED-certified building 20 miles (32 km) away in the suburb of Lenexa, Kansas . Kaid Benfield of the Natural Resources Defense Council estimated that the carbon emissions associated with the additional miles driven were almost three times higher than before, a change from 0.39 metric tons per person per month to 1.08 metric tons of carbon dioxide per person per month. Speck writes that "The carbon saved by

678-471: A building. Critics such as David Owen and Jeff Speck also point out that LEED certification focuses on the building itself, and does not take into account factors such as the location in which the building stands, or how employee commutes may be affected by a relocation. In Green Metropolis (2009), Owen discusses an environmentally-friendly building in San Bruno, California , built by Gap Inc. , which

791-463: A circular economic system is a prerequisite for the maintenance of the sustainability of human life on Earth. Boulding describes the so-called "cowboy economy" as an open system in which the natural environment is typically perceived as limitless: no limit exists on the capacity of the outside to supply or receive energy and material flows. Walter R. Stahel and Geneviève Reday-Mulvey, in their book "The Potential for Substituting Manpower for Energy," lay

904-463: A circular economy by 2030 might result in an additional 7-8 million jobs being created globally. However, other research has also found that the adoption of circular economy principles may lead to job losses in emerging economies. On the other hand, implementing a circular economy in the United States has been presented by Ranta et al. who analyzed the institutional drivers and barriers for

1017-496: A circular economy was identified as a national policy in China's 11th five-year plan starting in 2006. The Ellen MacArthur Foundation has more recently outlined the economic opportunity of a circular economy, bringing together complementary schools of thought in an attempt to create a coherent framework, thus giving the concept a wide exposure and appeal. Most frequently described as a framework for thinking, its supporters claim it

1130-424: A circular economy, business models play a crucial role in enabling the shift from linear to circular processes. Various business models have been identified that support circularity, including product-as-a-service, sharing platforms, and product life extension models, among others. These models aim to optimize resource utilization, reduce waste, and create value for businesses and customers alike, while contributing to

1243-419: A circular economy, namely in skills in circular design and production, new business models, skills in building cascades and reverse cycles, and cross-cycle/cross-sector collaboration. This is supported by a case study from the automotive industry , highlighting the importance of integrating a circular model holistically within the entire value chain of a company, taking into account the interdependencies between

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1356-428: A comparison with emphasis on factors that heavily influence energy consumption. The number of points achieved in this credit is proportional to the predicted energy savings. This method has been criticized for inaccurately predicting actual energy usage. The USGBC admits that "current information indicates that most buildings do not perform as well as design metrics indicate. As a result, building owners might not obtain

1469-512: A cornerstone to enabling a circular economy and enhancing the sustainability of energy infrastructure. One example of a circular economy model is the implementation of renting models in traditional ownership areas (e.g., electronics, clothes, furniture, transportation). By renting the same product to several clients, manufacturers can increase revenues per unit, thus decreasing the need to produce more to increase revenues. Recycling initiatives are often described as circular economy and are likely to be

1582-501: A finite lifespan, which end up in landfills or in incinerators . The circular approach, by contrast, takes insights from living systems. It considers that our systems should work like organisms, processing nutrients that can be fed back into the cycle—whether biological or technical—hence the "closed loop" or "regenerative" terms usually associated with it. The generic circular economy label can be applied to or claimed by several different schools of thought, but all of them gravitate around

1695-577: A future where waste no longer exists, where material loops are closed, and products are recycled indefinitely is, in any practical sense, impossible. They point out that a lack of inclusion of indigenous discourses from the Global South means that the conversation is less eco-centric than it depicts itself. There is a lack of clarity as to whether the circular economy is more sustainable than the linear economy and what its social benefits might be, in particular, due to diffuse contours. Other issues include

1808-477: A minimum of $ 2,900 to over $ 1 million for a large project. "Soft" costs – i.e., added costs to the building project to qualify for LEED certification – may range from 1% to 6% of the total project cost. The average cost increase was about 2%, or an extra $ 3–$ 5 per square foot. The application review and certification process is conducted through LEED Online, USGBC's web-based service. The GBCI also utilizes LEED Online to conduct their reviews. Applicants have

1921-580: A report was released entitled Towards the Circular Economy: Economic and Business Rationale for an Accelerated Transition . The report, commissioned by the Ellen MacArthur Foundation and developed by McKinsey & Company , was the first volume of its kind to consider the economic and business opportunity for the transition to a restorative, circular model. Using product case studies and economy-wide analysis,

2034-490: A set of steps, or levels of circularity, typically using English verbs or nouns starting with the letter "r". The first such model, known as the "Three R principle", was "Reduce, Reuse, Recycle", which can be traced back as early as the 1970s. According to Breteler (2022), the 'most comprehensive and extensive' of four compared models was the "10R principle", developed by sustainable entrepreneurship professor and former Dutch Environment Minister Jacqueline Cramer . In 2013,

2147-407: A shift from fossil fuels to the use of renewable energy , and emphasize the role of diversity as a characteristic of resilient and sustainable systems. The circular economy includes a discussion of the role of money and finance as part of the wider debate, and some of its pioneers have called for a revamp of economic performance measurement tools. One study points out how modularization could become

2260-443: A weighted average for each rating scheme based upon actual impacts and the relative importance of those impacts to human health and environmental quality. The LEED council also appears to have assigned credit and measured weighting based upon the market implications of point allocation. From 2010, buildings can use carbon offsets to achieve green power credits for LEED-NC (new construction certification). For LEED BD+C v4 credit,

2373-585: A wider range of temperatures. On April 2, 2019, the USGBC released LEED v4.1, a new version of the LEED green building program, designed for use with cities, communities and homes. However, LEED v4.1 was never officially balloted. An update to v4, proposed as of November 22, 2022, took effect on March 1, 2024. Any projects that register under LEED v4 after March 1, 2024 must meet these updated guidelines. As of January 2023, USGBC began to develop LEED v5. LEED v5

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2486-478: Is a coherent model that has value as part of a response to the end of the era of cheap oil and materials and, moreover, contributes to the transition to a low-carbon economy . In line with this, a circular economy can contribute to meeting the COP 21 Paris Agreement . The emissions reduction commitments made by 195 countries at the COP 21 Paris Agreement are not sufficient to limit global warming to 1.5 °C. To reach

2599-471: Is a design tool rather than a performance-measurement tool and has tended to focus on energy modeling rather than actual energy consumption. It has been criticized for a point system that can lead to inappropriate design choices and the prioritization of LEED certification points over actual energy conservation; for lacking climate specificity; for not sufficiently addressing issues of climate change and extreme weather; and for not incorporating principles of

2712-436: Is a framework of three principles, driven by design: eliminating waste and pollution, keeping products and materials in use, and regenerating natural systems. It is based increasingly on renewable energy and materials, and it is accelerated by digital innovation. It is a resilient, distributed, diverse, and inclusive economic model. The circular economy is an economic concept often linked to sustainable development , provision of

2825-410: Is a model of resource production and consumption in any economy that involves sharing , leasing, reusing , repairing, refurbishing, and recycling existing materials and products for as long as possible. The concept aims to tackle global challenges such as climate change , biodiversity loss , waste , and pollution by emphasizing the design-based implementation of the three base principles of

2938-582: Is a model supported by CAGBC and the Canada Infrastructure Bank (CIB) for the verification of proposed retrofit projects. LEED certification is granted by the Green Building Certification Institute (GBCI), which arranges third-party verification of a project's compliance with the LEED requirements. The certification process for design teams consists of the design application, under the purview of

3051-421: Is a strategy where waste from one industry becomes an input for another, creating a network of resource exchange and reducing waste, pollution, and resource consumption. Similarly, circular cities aim to integrate circular principles into urban planning and development, foster local resource loops, and promote sustainable lifestyles among their citizens. Less than 10% of economic activity worldwide in 2022 and 2023

3164-427: Is an economic system that targets zero waste and pollution throughout materials lifecycles, from environment extraction to industrial transformation, and final consumers, applying to all involved ecosystems. Upon its lifetime end, materials return to either an industrial process or, in the case of a treated organic residual, safely back to the environment as in a natural regenerating cycle. It operates by creating value at

3277-533: Is circular. Every year, the global population uses approximately 100 billion tonnes of materials, with more than 90% of them being wasted. The circular economy seeks to address this by eliminating waste entirely. The concept of a circular economy cannot be traced back to one single date or author, rather to different schools of thought. The concept of a circular economy can be linked to various schools of thought, including industrial ecology , biomimicry , and cradle-to-cradle design principles. Industrial ecology

3390-578: Is designed as two boxes, stacked and rotated to create cantilevered corners that provide several shaded outdoor areas for visitors. The majority of the building is surrounded in glass for natural light and curtained with a perforated copper façade that will age to a natural copper patina for both a unique appearance and to reduce the consumption of energy. The facility has received a LEED Silver certification. The Westin Irving Convention Center Hotel at Las Colinas opened in 2019 as

3503-954: Is expected to facilitate the transition to a circular economy that will reduce GHG emissions by 25 percent, according to the published statement. Product designs that optimize durability, ease of maintenance and repair, upgradability, re-manufacturability, separability, disassembly, and reassembly are considered key elements for the transition toward circularity of products. Standardization can facilitate related "innovative, sustainable and competitive advantages for European businesses and consumers". Design for standardization and compatibility would make "product parts and interfaces suitable for other products and aims at multi-functionality and modularity". A "Product Family Approach" has been proposed to establish "commonality, compatibility, standardization, or modularization among different products or product lines". It has been argued that emerging technologies should be designed with circular economy principles from

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3616-517: Is often summarized as "take, make, waste." By contrast, a circular economy aims to transition from a 'take-make-waste' approach to a more restorative and regenerative system. It employs reuse , sharing , repair, refurbishment, remanufacturing and recycling to create a closed-loop system, reducing the use of resource inputs and the creation of waste , pollution, and carbon emissions. The circular economy aims to keep products, materials, equipment, and infrastructure in use for longer, thus improving

3729-491: Is the first version of the LEED rating system to be based on the June 2022 Future of LEED principles. The LEED v5 rating system will cover both new construction and existing buildings. An initial draft version was discussed at Greenbuild 2023. The beta draft of LEED v5 was released for an initial period of public comment on April 3, 2024. Changes were made in response to nearly 6,000 comments. A second public comment period

3842-411: Is the irrevocable loss of raw materials due to their increase in entropy in the linear business model. Starting with the production of waste in manufacturing, the entropy increases further by mixing and diluting materials in their manufacturing assembly, followed by corrosion and wear and tear during the usage period. At the end of the life cycle, there is an exponential increase in disorder arising from

3955-498: Is the study of material and energy flows through industrial systems, which forms the basis of the circular economy. Biomimicry involves emulating nature's time-tested patterns and strategies in designing human systems. Cradle-to-cradle design is a holistic approach to designing products and systems that considers their entire life cycle, from raw material extraction to end-of-life disposal, and seeks to minimize waste and maximize resource efficiency. These interrelated concepts contribute to

4068-667: The Canada Green Building Council (CAGBC) received permission to create LEED Canada-NC v1.0, which was based upon LEED-NC 2.0. As of 2021, Canada ranked second in the world (not including the USA) in its number of LEED-certified projects and square feet of space. Buildings in Canada such as Winnipeg's Canadian Museum for Human Rights are LEED certified due to practices including the use of rainwater harvesting , green roofs, and natural lighting. As of March 18, 2022,

4181-500: The European Commission , "The Potential for Substituting Manpower for Energy," Walter Stahel and Genevieve Reday sketched the vision of an economy in loops (or a circular economy) and its impact on job creation , economic competitiveness , resource savings and waste prevention . The report was published in 1982 as the book Jobs for Tomorrow: The Potential for Substituting Manpower for Energy . In 1982, Walter Stahel

4294-1006: The International Building Code , only members of the USGBC and specific "in-house" committees may add to, subtract from, or edit the standard, subject to an internal review process. Proposals to modify the LEED standards are offered and publicly reviewed by USGBC's member organizations, of which there were 4551 as of October 2023. LEED has evolved since 1998 to more accurately represent and incorporate emerging green building technologies. LEED has developed building programs specific to new construction (NC), core and shell (CS), commercial interiors (CI), existing buildings (EB), neighborhood development (ND), homes (LEED for Homes), retail, schools, and healthcare. The pilot version, LEED New Construction (NC) v1.0, led to LEED NCv2.0, LEED NCv2.2 in 2005, LEED 2009 ( a.k.a. LEED v3) in 2009, and LEED v4 in November ;2013. LEED 2009

4407-516: The Sustainable Development Goals (Global Development Goals), and an extension of a green economy. Other definitions and precise thresholds that separate linear from circular activity have also been developed in the economic literature. In a linear economy , natural resources are turned into products that are ultimately destined to become waste because of the way they have been designed and manufactured. This process

4520-464: The U.S. Environmental Protection Agency 's (EPA) Labs21 and LEED Canada. The Australian Green Star is based on both LEED and the UK's Building Research Establishment Environmental Assessment Methodology ( BREEAM ). LEED 2009 encompasses ten rating systems for the design, construction and operation of buildings, homes and neighborhoods. Five overarching categories correspond to the specialties available under

4633-426: The 1.5 °C ambition, it is estimated that additional emissions reductions of 15 billion tonnes of CO 2 per year need to be achieved by 2030. Circle Economy and Ecofys estimated that circular economy strategies may deliver emissions reductions that could bridge the gap by half. Linear "take, make, dispose" industrial processes , and the lifestyles dependent on them, use up finite reserves to create products with

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4746-506: The CE currently faces, strategic management for details of the circular economy and different outcomes such as potential re-use applications and waste management. The circular economy includes products, infrastructure, equipment, services and buildings and applies to every industry sector. It includes 'technical' resources (metals, minerals, fossil resources) and 'biological' resources (food, fibres, timber, etc.). Most schools of thought advocate

4859-497: The Canada Green Building Council took over direct oversight for LEED™ green building certification of projects in Canada, formerly done by GBCI Canada. CAGBC will continue to work with Green Business Certification Inc. (GBCI) and USGBC while consolidating certification and credentialing for CAGBC's Zero Carbon Building Standards, LEED, TRUE, and Investor Ready Energy Efficiency (IREE). IREE

4972-606: The Convention Center and the surrounding Las Colinas area. The Irving Convention Center station provides connections to DFW International Airport and also Dallas Love Field (via the Green Line). A multi-level parking garage provides parking for 800 cars. LEED certification Leadership in Energy and Environmental Design ( LEED ) is a green building certification program used worldwide. Developed by

5085-681: The EPA's Tools for the Reduction and Assessment of Chemical and Other Environmental Impacts (TRACI) and the environmental-impact weighting scheme developed by the National Institute of Standards and Technology (NIST). Prior to LEED 2009 evaluation and certification, a building must comply with minimum requirements including environmental laws and regulations, occupancy scenarios, building permanence and pre-rating completion, site boundaries and area-to-site ratios. Its owner must share data on

5198-588: The Environment , Pearce and Turner explain the shift from the traditional linear or open-ended economic system to the circular economic system (Pearce and Turner, 1990). They describe an economic system where waste at extraction, production, and consumption stages is turned into inputs. In the early 2000s, China integrated the notion into its industrial and environmental policies to make them resource-oriented, production-oriented, waste-oriented, use-oriented, and life cycle-oriented. The Ellen MacArthur Foundation

5311-464: The IEQ category addresses thermal , visual, and acoustic comfort as well as indoor air quality . Laboratory and field research have directly linked occupants' satisfaction and performance to the building's thermal conditions. Energy reduction goals can be supported while improving thermal satisfaction. For example, providing occupants control over the thermostat or operable windows allows for comfort across

5424-569: The LEED Pilot Committee from 1996–2001. Scot Horst chaired the LEED Steering Committee beginning in 2005 and was deeply involved in the development of LEED 2009. Joel Ann Todd took over as chair of the steering committee from 2009 to 2013, working to develop LEED v4, and introducing social equity credits. Other steering committee chairs include Chris Schaffner (2019) and Jennifer Sanguinetti (2020). Chairs of

5537-823: The LEED professional program. That suite consists of: LEED v3 aligned credits across all LEED rating systems, weighted by environmental priority. It reflects a continuous development process, with a revised third-party certification program and online resources. Under LEED 2009, an evaluated project scores points to a possible maximum of 100 across six categories: sustainable sites (SS), water efficiency (WE), energy and atmosphere (EA), materials and resources (MR), indoor environment quality (IEQ) and design innovation (INNO). Each of these categories also includes mandatory requirements, which receive no points. Up to 10 additional points may be earned: 4 for regional priority credits and 6 for innovation in design. Additional performance categories for residences (LEED for Homes) recognize

5650-449: The LEED rating system, including LEED Accredited Professional (LEED AP), LEED Green Associate, and LEED Fellow. The Green Building Certification Institute (GBCI) describes its LEED professional accreditation as "demonstrat[ing] current knowledge of green building technologies, best practices" and the LEED rating system, to assure the holder's competency as one of "the most qualified, educated, and influential green building professionals in

5763-836: The Leadership in Energy and Environmental Design (LEED) green certification program was Natural Resources Defense Council (NRDC) senior scientist Robert K. Watson . It was Watson, sometimes referred to as the "Founding Father of LEED", who created the acronym. Over two decades, Watson led a broad-based consensus process, bringing together non-profit organizations, government agencies, architects, engineers, developers, builders, product manufacturers and other industry leaders. The original planning group consisted of Watson, Mike Italiano, architect Bill Reed (founding LEED Technical Committee co-chair 1994–2003), architect Sandy Mendler, builder Gerard Heiber and engineer Richard Bourne. Tom Paladino and Lynne Barker (formerly King) co-chaired

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5876-614: The Product-Life Institute in Geneva . In the UK, Steve D. Parker researched waste as a resource in the UK agricultural sector in 1982, developing novel closed-loop production systems. These systems mimicked and worked with the biological ecosystems they exploited. Circular economy often refers to quantities of recycled materials or reduced waste, however Cradle to Cradle Design focuses on quality of products including safety for humans and environmental health. Popularized by

5989-801: The US, the District of Columbia consistently leads in LEED-certified square footage per capita, followed in 2022 by the top-ranking states of Massachusetts, Illinois, New York, California, and Maryland. Outside the United States, the top-ranking countries for 2022 were Mainland China, India, Canada, Brazil, and Sweden. LEED Canada has developed a separate rating system adapted to the Canadian climate and regulations. Many U.S. federal agencies, state and local governments require or reward LEED certification. As of 2022 , based on certified square feet per capita,

6102-576: The USGBC's Energy and Atmosphere Technical Advisory Group for LEED technology have included Gregory Kats . The LEED initiative has been strongly supported by the USGBC Board of Directors, including Chair of the Board of Directors Steven Winter (1999–2003). The current chair of the Board of Directors is Anyeley Hallová (2023). LEED has grown from one standard for new construction to a comprehensive system of interrelated standards covering aspects from

6215-466: The application of LEED guidelines in several southern states. In 2013, the states of Alabama, Georgia and Mississippi effectively banned the use of LEED in new public buildings, in favor of other industry standards that the USGBC considers too lax. LEED is considered a target of a type of disinformation attack known as astroturfing , involving "fake grassroots organizations usually sponsored by large corporations". Unlike model building codes, such as

6328-401: The architect and the engineer and documented in the official construction drawings, and the construction application, under the purview of the building contractor and documented during the construction and commissioning of the building. A fee is required to register the building, and to submit the design and construction applications. Total fees are assessed based on building area, ranging from

6441-484: The benefits promised." The LEED for Homes rating system was first piloted in 2005. It has been available in countries including the U.S., Canada, Sweden, and India. LEED for Homes projects are low-rise residential . The process of the LEED for Homes rating system differs significantly from the LEED rating system for new construction. Unlike LEED, LEED for Homes requires an on-site inspection. LEED for Homes projects are required to work with either an American or

6554-527: The book Cradle to Cradle: Remaking The Way We Make Things , Cradle to Cradle Design has been widely implemented by architect William McDonough , who was introduced as the "father of the circular economy" while receiving the 2017 Fortune Award for Circular Economy Leadership in Davos during the World Economic Forum . In the 2010s, several models of a circular economy were developed that employed

6667-502: The building industry to support green building and develop a green building rating system. Also influential early on was architect Bob Berkebile. Fedrizzi served as the volunteer founding chair of USGBC from 1993 to 2004, and became its CEO as of 2004. As of November 4, 2016, he was succeeded as president and CEO of USGBC by Mahesh Ramanujam. Ramanujam served as CEO until 2021. Peter Templeton became interim president and CEO of USGBC as of November 1, 2021. A key player in developing

6780-571: The building's energy and water use for five years after occupancy (for new construction) or date of certification (for existing buildings). The credit weighting process has the following steps: First, a collection of reference buildings are assessed to estimate the environmental impacts of similar buildings. NIST weightings are then applied to judge the relative importance of these impacts in each category. Data regarding actual impacts on environmental and human health are then used to assign points to individual categories and measures. This system results in

6893-430: The certification points), quality of life (25%) and conservation and ecological restoration (25%) in terms of five principles: decarbonization, ecosystems, equity, health and resilience. One of the reponses to public comments was to emphasize a data-driven approach to Operations and Maintenance by more clearly identifying performance-based credits (80% of points) and decoupling them from strategic credits (20%). In 2003,

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7006-520: The circular economy and its practical applications to economic systems has evolved, incorporating different features and contributions from a variety of concepts sharing the idea of closed loops. Some of the relevant theoretical influences are cradle to cradle , laws of ecology (e.g., Barry Commoner § The Closing Circle ), looped and performance economy ( Walter R. Stahel ), regenerative design , industrial ecology , biomimicry and blue economy (see section "Related concepts"). The circular economy

7119-440: The circular economy are that it could enable economic growth that does not add to the burden on natural resource extraction but decouples resource uses from the development of economic welfare for a growing population, reduces foreign dependence on critical materials, lowers CO 2 emissions, reduces waste production, and introduces new modes of production and consumption able to create further value. Corporate arguments in favour of

7232-417: The circular economy are that it could secure the supply of raw materials, reduce the price volatility of inputs and control costs, reduce spills and waste, extend the life cycle of products, serve new segments of customers, and generate long-term shareholder value. A key idea behind the circular business models is to create loops throughout to recapture value that would otherwise be lost. Of particular concern

7345-455: The circular economy in different regions worldwide, by following the framework developed by Scott R. In the article, different worldwide environment-friendly institutions were selected, and two types of manufacturing processes were chosen for the analysis (1) a product-oriented, and (2) a waste management. Specifically, in the U.S., the product-oriented company case in the study was Dell , a US manufacturing company for computer technology, which

7458-475: The circular economy may overstate the potential benefits of the circular economy. These critiques put forward the idea that the circular economy has too many definitions to be delimited, making it an umbrella concept that, although exciting and appealing, is hard to understand and assess. Critiques mean that the literature ignores much-established knowledge. In particular, it neglects the thermodynamic principle that one can neither create nor destroy matter. Therefore,

7571-527: The circular economy. For example, in China , CE is promoted as a top-down national political objective, meanwhile in other areas, such as the European Union, Japan, and the USA, it is a tool to design bottom-up environmental and waste management policies. The ultimate goal of promoting CE is the decoupling of environmental pressure from economic growth. A comprehensive definition could be: "Circular economy

7684-416: The circular economy. In addition, it is important to underline the innovation aspect at the heart of sustained development based on circular economy components. The circular economy can have a broad scope. Researchers have focused on different areas such as industrial applications with both product-oriented and natural resources and services, practices and policies to better understand the limitations that

7797-687: The consumption of raw materials, open up new market prospects, and, principally, increase the sustainability of consumption . At a government level, a circular economy is viewed as a method of combating global warming , as well as a facilitator of long-term growth. CE may geographically connect actors and resources to stop material loops at the regional level. In its core principle, the European Parliament defines CE as "a model of production and consumption that involves sharing, leasing, reusing, repairing, refurbishing, and recycling existing materials and products as long as possible. In this way,

7910-563: The design and construction to the maintenance and operation of buildings. LEED has also grown from six committee volunteers to an organization of 122,626 volunteers, professionals and staff. As of 2023 , more than 185,000 LEED projects representing over 28 billion square feet (2.6 × 10 ^  m ) have been proposed worldwide, and more than 105,000 projects representing over 12 billion square feet (1.1 × 10 ^  m ) have been certified in 185 countries. However, lumber, chemical and plastics trade groups have lobbied to weaken

8023-408: The development and implementation of the circular economy. General systems theory, founded by the biologist Ludwig von Bertalanffy , considers growth and energy for open and closed state systems. This theory was then applied to other areas, such as, in the case of the circular economy, economics. Economist Kenneth E. Boulding , in his paper "The Economics of the Coming Spaceship Earth," argued that

8136-465: The example of debating whether to add a reflective roof, used to can counter "heat island" effects in urban areas, to a building high in the Rocky Mountains. A 2012 USA Today review of 7,100 LEED-certified commercial buildings found that designers tended to choose easier points such as using recycled materials, rather than more challenging ones that could increase the energy efficiency of

8249-409: The field such as Walter R Stahel , Bill Rees and Robert Constanza . At the time still called 'preventive environmental management', his follow-on book Material Concerns: Pollution, Profit and Quality of Life synthesized these findings into a manifesto for change, moving industrial production away from an extractive linear system towards a more circular economy. In their 1976 research report to

8362-454: The foundation for the principles of the circular economy by describing how increasing labour may reduce energy intensive activities. Simple economic models have ignored the economy-environment interrelationships. Allan Kneese in " The Economics of Natural Resources " indicates how resources are not endlessly renewable, and mentions the term circular economy for the first time explicitly in 1988. In their book Economics of Natural Resources and

8475-401: The importance of transportation access, open space, and outdoor physical activity, and the need for buildings and settlements to educate occupants. Buildings can qualify for four levels of certification: The aim of LEED 2009 is to allocate points "based on the potential environmental impacts and human benefits of each credit". These are weighed using the environmental impact categories of

8588-432: The increasing risks of cascading failures which are a feature of highly interdependent systems , and have potential harm to the general public. When implemented in bad faith , touted "Circular Economy" activities can often be little more than reputation and impression management for public relations purposes by large corporations and other vested interests; constituting a new form of greenwashing . It may thus not be

8701-443: The initial focus of the academic, industry, and policy activities was mainly focused on the development of re-X (recycling, remanufacturing, reuse, etc.) technology, it soon became clear that the technological capabilities increasingly exceed their implementation. To leverage this technology for the transition toward a circular economy, various stakeholders have to work together. This shifted attention towards business-model innovation as

8814-460: The issue of environmental resources. The circular economy aims to transform our economy into one that is regenerative. An economy that innovates to reduce waste and the ecological and environmental impact of industries prior to happening, rather than waiting to address the consequences of these issues. This is done by designing new processes and solutions for the optimization of resources, decoupling reliance on finite resources. The circular economy

8927-586: The leading five states (after the District of Columbia ) were Massachusetts, Illinois, New York, California, and Maryland. Incentives can include tax credits, zoning allowances, reduced fees, and expedited permitting. Offices, healthcare-, and education-related buildings are the most frequent LEED-certified buildings in the US (over 60%), followed by warehouses, distribution centers, retail projects and multifamily dwellings (another 20%). Studies have found that for-rent LEED office spaces generally have higher rents and occupancy rates and lower capitalization rates. LEED

9040-420: The life cycle of products is extended." Global implementation of circular economy can reduce global emissions by 22.8 billion tons, 39% of global emissions in the year 2019. By implementing circular economy strategies in five sectors alone: cement , aluminum , steel , plastics , and food 9.3 billion metric tons of CO 2 equivalent (equal to all current emissions from transportation), can be reduced. In

9153-494: The macro, meso, and micro levels and exploiting to the fullest the sustainability nested concept. Used energy sources are clean and renewable. Resource use and consumption are efficient. Government agencies and responsible consumers play an active role in ensuring the correct system long-term operation." More generally, circular development is a model of economic, social, and environmental production and consumption that aims to build an autonomous and sustainable society in tune with

9266-500: The main lobby. The second level contains 20 breakout rooms totaling 20,000 sq ft (1,900 m) as well as the atrium café which extends to an outdoor, shaded terrace. The third level consists of the 20,000 sq ft (1,900 m) ballroom with pre-function and breakout areas. To avoid the traditional convention center appearance and use as much natural light as possible, the Irving Convention Center

9379-440: The marketplace." Critics of LEED certification such as Auden Schendler and Randy Udall have pointed out that the process is slow, complicated, and expensive. In 2005, they published an article titled "LEED is Broken; Let's Fix It", in which they argued that the certification process "makes green building more difficult than it needs to be" and called for changes "to make LEED easier to use and more popular" to better accelerate

9492-462: The mixing of materials in landfills. As a result of this directionality of the entropy law, the world's resources are effectively "lost forever". Circular development is directly linked to the circular economy and aims to build a sustainable society based on recyclable and renewable resources, to protect society from waste, and to be able to form a model that no longer considering resources as infinite. This new model of economic development focuses on

9605-502: The model. The main three principles required for the transformation to a circular economy are: designing out waste and pollution, keeping products and materials in use, and regenerating natural systems. CE is defined in contradistinction to the traditional linear economy. The idea and concepts of a circular economy have been studied extensively in academia, business, and government over the past ten years. It has been gaining popularity because it can help to minimize carbon emissions and

9718-732: The most widespread models. According to a report of the organization "Circle economy" global implementation of circular economy can reduce global emissions by 22.8 billion tons, 39% of global emissions in the year 2019. By 2050, 9.3 billion metric tons ofCO 2 equivalent, or almost half of the global greenhouse gas emissions from the production of goods, might be reduced by implementing circular economy strategies in only five significant industries: cement, aluminum, steel, plastics, and food. That would equal to eliminating all current emissions caused by transportation. As early as 1966, Kenneth Boulding raised awareness of an "open economy" with unlimited input resources and output sinks, in contrast with

9831-446: The new building's LEED status, if any, will be a small fraction of the carbon wasted by its location". Both Speck and Owen make the point that a building-centric standard that doesn't consider location will inevitably undervalue the benefits of people living closer together in cities, compared to the costs of automobile-oriented suburban sprawl. Circular economy A circular economy (also referred to as circularity or CE )

9944-449: The non-profit U.S. Green Building Council (USGBC), it includes a set of rating systems for the design, construction, operation, and maintenance of green buildings , homes, and neighborhoods, which aims to help building owners and operators be environmentally responsible and use resources efficiently. As of 2023 there were over 105,000 LEED-certified buildings and over 205,000 LEED-accredited professionals in 185 countries worldwide. In

10057-488: The notion benefited from three major events: the explosion of raw material prices between 2000 and 2010, the Chinese control of rare earth materials, and the 2008 economic crisis. Today, the climate emergency and environmental challenges induce companies and individuals in rethink their production and consumption patterns. The circular economy is framed as one of the answers to these challenges. Key macro-arguments in favour of

10170-505: The official hotel for the Irving Convention Center. The hotel has 350 rooms and a Mexican restaurant. In addition to meeting space at the Convention Center, the hotel offers 30,000 square feet of flexible indoor and outdoor space including two ballrooms, two boardrooms, a 10,000-square-foot outdoor lawn and event space by the pool. The Toyota Music Factory offers concerts and the Alamo Drafthouse Cinema offers movies at

10283-425: The option of achieving credit points by building energy models. One model represents the building as designed, and a second model represents a baseline building in the same location, with the same geometry and occupancy. Depending on location (climate) and building size, the standard provides requirements for heating, ventilation and air-conditioning (HVAC) system type, and wall and window definitions. This allows for

10396-469: The overall goals of the circular economy. Businesses can also make the transition to the circular economy, where holistic adaptations in firms' business models are needed. The implementation of circular economy principles often requires new visions and strategies and a fundamental redesign of product concepts, service offerings, and channels towards long-life solutions, resulting in the so-called 'circular business models'. There are many definitions of

10509-405: The overall product/service provision system assessed based on the life-cycle assessment approach". One study suggests that "a mandatory certification scheme for recyclers of electronic waste, in or out of Europe, would help to incentivize high-quality treatment processes and efficient material recovery". Digitalization may enable more efficient corporate processes and minimize waste. While

10622-446: The panacea many had hoped for. Intuitively, the circular economy would appear to be more sustainable than the current linear economic system. Reducing the resources used and the waste and leakage created conserves resources and helps to reduce environmental pollution. However, it is argued by some that these assumptions are simplistic and that they disregard the complexity of existing systems and their potential trade-offs. For example,

10735-607: The product, process, and system level. Another report by WRAP and the Green Alliance (called "Employment and the circular economy: job creation in a more resource efficient Britain"), done in 2015 has examined different public policy scenarios to 2030. It estimates that, with no policy change, 200,000 new jobs will be created, reducing unemployment by 54,000. A more aggressive policy scenario could create 500,000 new jobs and permanently reduce unemployment by 102,000. The International Labour Organization predicts that implementing

10848-434: The production of goods and services, taking into account environmental and social costs. Circular development, therefore, supports the circular economy to create new societies in line with new waste management and sustainability objectives that meet the needs of citizens. It is about enabling economies and societies, in general, to become more sustainable. However, critiques of the circular economy suggest that proponents of

10961-562: The productivity of these resources. Waste materials and energy should become input for other processes through waste valorization : either as a component for another industrial process or as regenerative resources for nature (e.g., compost). The Ellen MacArthur Foundation (EMF) defines the circular economy as an industrial economy that is restorative or regenerative by value and design. Circular economy strategies can be applied at various scales, from individual products and services to entire industries and cities. For example, industrial symbiosis

11074-531: The report details the potential for significant benefits across the EU. It argues that a subset of the EU manufacturing sector could realize net materials cost savings worth up to $ 630 billion annually towards 2025—stimulating economic activity in the areas of product development, remanufacturing and refurbishment. Towards the Circular Economy also identified the key building blocks in making the transition to

11187-428: The same basic principles. One prominent thinker on the topic is Walter R. Stahel , an architect, economist, and founding father of industrial sustainability. Credited with having coined the expression "Cradle to Cradle" (in contrast with "Cradle to Grave," illustrating our "Resource to Waste" way of functioning), in the late 1970s, Stahel worked on developing a "closed loop" approach to production processes, co-founding

11300-413: The site. The Toyota Music Factory venue converts from a 2,500 to a 4,000 capacity indoor theater and opens up to an 8,000-person capacity open-air pavilion. The Pavilion at Toyota Music Factory hosts a variety of restaurants and entertainment throughout the year exclusively booked and promoted by Live Nation Entertainment . A Dallas Area Rapid Transit Orange Line light rail station near the site serves

11413-414: The social dimension of sustainability seems to be only marginally addressed in many publications on the circular economy. Some cases that might require different or additional strategies, like purchasing new, more energy-efficient equipment. By reviewing the literature, a team of researchers from Cambridge and TU Delft showed that there are at least eight different relationship types between sustainability and

11526-401: The start, including solar panels . For sustainability and health, the circularity process designs may be of crucial importance. Large amounts of electronic waste are already recycled but far from where they were consumed, with often low efficiency, and with substantial negative effects on human health and the foreign environment . Recycling should therefore "reduce environmental impacts of

11639-431: The transition to green building. Schendler and Udall also identified a pattern which they call "LEED brain", in which participants may become focused on "point mongering" and pick and choose design elements that don't actually go well together or don't fit local conditions, to gain points. The public relations value of LEED certification begins to drive the development of buildings rather than focusing on design. They give

11752-476: The well-being of their occupants and as part of larger systems. In April 1993, the U.S. Green Building Council (USGBC) was founded by Rick Fedrizzi , the head of environmental marketing at Carrier, real estate developer David Gottfried , and environmental lawyer Michael Italiano. Representatives from 60 firms and nonprofits met at the American Institute of Architects to discuss organizing within

11865-399: The working life of products, to make goods last longer, to reuse existing goods, and ultimately to prevent waste. This model emphasizes the importance of selling services rather than products, an idea referred to as the "functional service economy" and sometimes put under the wider notion of "performance economy." This model also advocates "more localization of economic activity". Promoting

11978-468: Was awarded third prize in the Mitchell Prize competition on sustainable business models with his paper, The Product-Life Factor. The first prize went to the then US Secretary of Agriculture, the second prize to Amory and Hunter Lovins, and fourth prize to Peter Senge. Considered one of the first pragmatic and credible sustainability think tanks , the main goals of Stahel's institute are to extend

12091-434: Was depreciated for new projects registered from October 31, 2016. LEED v4.1 was released on April 2, 2019. Draft versions of LEED v5 have been released and revised in response to public comment during 2024. The official final version of LEED v5 is expected to be released in 2025. Future updates to the standard are planned to occur every five years. LEED forms the basis for other sustainability rating systems such as

12204-562: Was further modelled by British environmental economists David W. Pearce and R. Kerry Turner in 1989. In Economics of Natural Resources and the Environment , they pointed out that a traditional open-ended economy was developed with no built-in tendency to recycle, which was reflected by treating the environment as a waste reservoir. In the early 1990s, Tim Jackson began to create the scientific basis for this new approach to industrial production in his edited collection Clean Production Strategies , including chapters from preeminent writers in

12317-561: Was instrumental in the diffusion of the concept in Europe and the Americas. In 2010, the concept of circular economy started to become popular internationally after the publication of several reports. The European Union introduced its vision of the circular economy in 2014, with a New Circular Economy Action Plan launched in 2020 that "shows the way to a climate-neutral, competitive economy of empowered consumers". The original diffusion of

12430-669: Was located 16 miles (26 km) from the company's corporate headquarters in downtown San Francisco , and 15 miles (24 km) from Gap's corporate campus in Mission Bay . Although the company added shuttle buses between buildings, "no bus is as green as an elevator". Similarly, in Walkable City (2013), Jeff Speck describes the relocation of the Environmental Protection Agency ' s Region 7 Headquarters from downtown Kansas City, Missouri , to

12543-433: Was opened for the revised version, from September 27 to October 28, 2024. The official release of the final version of LEED v5 is expected to occur in 2025. Future updates of the certification system are planned to occur every five years. LEED v5 reorganizes the credits system and prerequisites, and has a greater focus on decarbonization of buildings. The scorecard expresses three global goals of climate action (worth 50% of

12656-410: Was the first company to offer free recycling to customers and to launch to the market a computer made from recycling materials from a verified third-party source. Moreover, the waste management case that includes many stages such as collection, disposal, recycling in the study was Republic Services , the second-largest waste management company in the US. The approach to defining the drivers and barriers

12769-544: Was to first identify indicators for their cases in study and then to categorize these indicators into drivers when the indicator was in favor of the circular economy model or a barrier when it was not. On 2 March 2022 in Nairobi, representatives of 175 countries pledged to create a legally binding agreement to end plastic pollution by the end of the year 2024. The agreement should address the full lifecycle of plastic and propose alternatives including reusability . The agreement

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