環境に優しく、美しい！世界の「サステナブル建築」22選
「エアコンいらず」なビルから、鳥と共生するホテルまで、画期的でユニークな次世代建築をご紹介。 By Ai Kobayashi 公開日:2023/08/15.
LEED
ここでは、そのなかでも画期的なサスティナビリティのアイデアと美しいデザインを両立させた建築をご紹介。国際的な認証である <anchor>LEED</anchor> 認証（※1）や BREEAM 認証（※2）で高い評価を得ている大型ビル、3Dプリンターを活用することで資源や時間を大きく節約した低炭素住宅、ザハ・ハディド・アーキテクツやBIGなどの著名設計事務所による有名企業の本社、そして解体後の資材の行く末まで見据えたユニークな仕組みなど、建築の世界にも広がるサステナビリティについて見ていきましょう。
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# LEED rating system

The most widely used green building rating system.

[Start a project](https://lo.usgbc.org/)

[Phipps Center for Sustainable Landscapes](https://www.usgbc.org/projects/phipps-center-sustainable-landscapes) \| LEED Platinum \| Photo: ©denmarsh photography, inc.

![Phipps Center for Sustainable Landscapes](/sites/default/files/2023-09/usgbc_37428261_Large_0.jpg)

## LEED-certified green buildings are better buildings.

[LEED](https://www.usgbc.org/leed) (Leadership in Energy and Environmental Design) is the world's most widely used green building rating system. LEED certification provides a framework for healthy, highly efficient, and cost-saving green buildings, which offer environmental, social and governance benefits. LEED certification is a globally recognized symbol of sustainability achievement, and it is backed by an entire industry of committed organizations and individuals paving the way for market transformation.

197,000 LEED projects worldwide

186 countries and territories

>29 billion+ SF

[LEED v5](https://www.usgbc.org/leed/v5) is the newest version of LEED. It marks a transformative milestone in the built environment’s alignment with a low-carbon future and addresses critical imperatives such as equity, health, ecosystems and resilience. [Learn more](/leed/v5).

## A LEED for every project

LEED is for all building types and all building phases including new construction, interior fit outs, operations and maintenance and core and shell. Check out our interactive [Discover LEED tool](/discoverleed/) to get started; then, use the [rating system selection guidance](/leed-tools/rating-system-selection-guidance) to select a rating system.

##### Building Design and Construction (BD+C)

For new construction or major renovations. Includes New Construction and Core & Shell, and also includes applications for Schools, Retail, Hospitality, Data Centers, Warehouses & Distribution Centers and Healthcare.

[LEED v4 BD+C rating system PDF](/resources/leed-v4-building-design-and-construction-current-version)

[LEED v4 BD+C scorecard](/resources/leed-v4-building-design-and-construction-checklist)

[Reference guide overview](/guide/bdc)

[Learn more](/leed/rating-systems/new-buildings)

##### Interior Design and Construction (ID+C)

For complete interior fit-out projects. Includes Commercial Interiors, and also includes applications for Retail and Hospitality.

[LEED v4 ID+C rating system PDF](/resources/leed-v4-interior-design-and-construction-current-version)

[LEED v4 ID+C scorecard](/resources/leed-v4-interior-design-and-construction-checklist)

[Reference guide overview](/guide/idc)

[Learn more](/leed/rating-systems/new-interiors)

##### Building Operations and Maintenance (O+M)

For existing buildings that are undergoing improvement work or little to no construction. Includes Existing Buildings, and also includes applications for Schools, Retail, Hospitality, Data Centers, and Warehouses & Distribution Centers.

[LEED v4 O+M rating system PDF](/resources/leed-v4-building-operations-and-maintenance-current-version)

[LEED v4 O+M scorecard](/resources/checklist-leed-v4-building-operations-and-maintenance)

[Reference guide overview](/guide/om)

[Learn more](/leed/rating-systems/existing-buildings)

##### Neighborhood Development (ND)

For new land development projects or redevelopment projects containing residential uses, nonresidential uses, or a mix. Projects can be at any stage of the development process, from conceptual planning to construction. Includes Plan and Built Project.

[LEED v4 ND rating system PDF](/resources/leed-v4-neighborhood-development-current-version)

[LEED v4 ND scorecard](/resources/leed-v4-neighborhood-development-checklist)

[Reference guide overview](/guide/nd)

[Learn more](/leed/rating-systems/neighborhood-development)

##### Homes

For single family homes, low-rise multi-family (one to three stories) or mid-rise multi-family (four or more). Includes Homes, Multifamily Lowrise, Multifamily Midrise. Homes and residential buildings that are greater than four stories may also use LEED BD+C.

[LEED v4 Homes rating system PDF](/resources/leed-v4-homes-and-midrise-ballot-version)

[LEED v4 Homes scorecard](/resources/leed-v4-homes-design-and-construction-checklist)

[Reference guide overview](/guide/homes)

[Learn more](/leed/rating-systems/residential)

##### Cities

For entire cities and sub-sections of a city. LEED for Cities projects can measure and manage their city’s water consumption, energy use, waste, transportation and human experience.

[Existing Cities and Communities scorecard](https://www.usgbc.org/resources/leed-v41-cities-and-communities-existing-scorecard)

[New Places (Plan and Design Phase) scorecard](https://www.usgbc.org/resources/leed-v41-cities-and-communities-plan-and-design-scorecard)

[Guide to LEED Certification: Cities and Communities Pilot](/tools/leed-certification/cities-communities)

[Learn more](/leed/rating-systems/leed-for-cities-communities)

## LEED system goals

LEED-certified buildings are critical to addressing climate change and meeting ESG goals, enhancing resilience, and supporting more equitable communities. LEED is a holistic system that doesn’t simply focus on one building element, such as energy, water or health. Instead, it looks at the big picture, factoring in all critical elements that work together to create the best building possible. The goal of LEED is to create better buildings that:

Reduce contribution to

global climate change

Enhance individual human health

Protect and restore water resources

Protect and enhance biodiversity

and ecosystem services

Promote sustainable and

regenerative material cycles

Enhance community quality of life

Of all LEED credits, 35% relate to climate change, 20% directly impact human health, 15% impact water resources, 10% affect biodiversity, 10% relate to the green economy, and 5% impact community and natural resources. In [LEED v4.1](https://www.usgbc.org/leed/v41), most LEED credits are related to operational and embodied carbon. [Learn more](https://www.usgbc.org/articles/role-leed-climate-change-mitigation).

[![SDG](/sites/default/files/inline-images/SDG-Wheel_WEB.png)](https://www.usgbc.org/resources/synergies-between-leed-and-sdgs) LEED categories can also contribute toward meeting the U.N.’s Sustainable Development Goals.

[Explore synergies between LEED and SDGs](https://www.usgbc.org/resources/synergies-between-leed-and-sdgs).

## Better for business, people and the environment.

Millions of people live, work and learn in LEED-certified buildings worldwide. Here's why.

#### Better for business and the bottom line

LEED buildings have a higher resale value and lower operational costs than non-LEED buildings. LEED is an essential strategy for achieving ESG, decarbonization and equity goals. LEED-certified buildings are a solid asset for investors, occupiers, and communities. They've proven to be top-performing commercial real estate investments.

- [Help meet investor's ESG goals](#meet-esg-goals)
- [Command higher rents](#higher-rents)
- [Boast lower vacancies post-pandemic](#lower-vacancies)
- [Increased occupancy rates](#occupancy-rates)
- [Acquire premium pricing](#premium-pricing)

LEED helps investors measure and manage their real estate performance. It allows investors to implement management practices that prioritize building efficiency, decrease operational costs and increase asset value.

LEED-certified buildings have consistently achieved higher rents than non-LEED counterparts, averaging $4.13 or 11.1% higher rent than non-LEED certified buildings\*.

_\\* Cushman & Wakefield. (2021). [Green Is Good: Sustainable Office Outperforms in Class A Urban Markets](https://cw-gbl-gws-prod.azureedge.net/-/media/cw/americas/united-states/insights-pdfs/green-is-good-spotlight_final1.pdf?la=en&rev=e26315797d7d49faa6c58ca7762f91a6&hash=7D9FDF170FDB5E46A373233AD8F2999F)._

LEED-certified assets outperform during recession-recovery periods, having lower vacancies than their non-LEED counterparts in the wake of COVID-19\*.

_\\* Cushman & Wakefield. (2021). [Green Is Good: Sustainable Office Outperforms in Class A Urban Markets](https://cw-gbl-gws-prod.azureedge.net/-/media/cw/americas/united-states/insights-pdfs/green-is-good-spotlight_final1.pdf?la=en&rev=e26315797d7d49faa6c58ca7762f91a6&hash=7D9FDF170FDB5E46A373233AD8F2999F)._

The pandemic accelerated tenant demand for ESG assets. Since 2020, occupancy rates for LEED-certified assets have increased from 90% to 92%. Non-LEED occupancy has fallen from 90% to 88% over the same period\*.

_\\* Cushman & Wakefield. (2021). [Green Is Good: Sustainable Office Outperforms in Class A Urban Markets](https://cw-gbl-gws-prod.azureedge.net/-/media/cw/americas/united-states/insights-pdfs/green-is-good-spotlight_final1.pdf?la=en&rev=e26315797d7d49faa6c58ca7762f91a6&hash=7D9FDF170FDB5E46A373233AD8F2999F)._

Since 2018, LEED-certified assets have held a 21.4% higher average market sales price per square foot over non-LEED buildings\*.

LEED-certified offices have consistently performed at a premium when it comes to pricing across quality classes and geographies\*\*.

LEED-certified Class A urban office sales generated a 25.3% price per square foot premium over non-certified buildings. In comparison, LEED-certified Class A suburban offices achieved a 40.9% premium over non-certified assets\*\*.

LEED-certified Class B office achieved the highest premium, 77.5%, over its non-certified comparable set\*\*.

_\\* Cushman & Wakefield. (2021). [Green Is Good: Sustainable Office Outperforms in Class A Urban Markets](https://cw-gbl-gws-prod.azureedge.net/-/media/cw/americas/united-states/insights-pdfs/green-is-good-spotlight_final1.pdf?la=en&rev=e26315797d7d49faa6c58ca7762f91a6&hash=7D9FDF170FDB5E46A373233AD8F2999F)._

_\\*\\* Cushman & Wakefield. (2021). [Green Is Good: Sustainability's Impact on Office Investment Pricing](https://www.cushmanwakefield.com/en/spain/insights/green-is-good-sustainable-office)._

* * *

#### Better for people

LEED-certified buildings focus on occupant well-being, offering a healthier and more satisfying indoor space while addressing community and public health. The rating system focuses on strategies like banning smoking and reducing toxic exposure from materials to improve air quality. Active design and supporting the production of local, sustainable foods promote physical activity and healthy eating.

- [Happier employees and occupants](#happier)
- [Bring in the good, keep out the bad](#good)
- [Healthier air quality](#air)
- [Reduced pollution](#reduced-pollution)

Employers in LEED-certified spaces report higher recruitment and retention rates and increased employee productivity\*.

_\\* U.S. Green Building Council. (2021). [Research Anthology of Health-Promoting Building Strategies](https://www.usgbc.org/resources/research-anthology-health-promoting-building-strategies)._

LEED creates healthier spaces with cleaner air and access to daylight and is free from harmful chemicals in paints and finishings\*.

_\\* U.S. Green Building Council. (2021). [Research Anthology of Health-Promoting Building Strategies](https://www.usgbc.org/resources/research-anthology-health-promoting-building-strategies)._

Improving indoor air quality can reduce absenteeism and work hours affected by asthma, respiratory allergies, depression and stress, leading to self-reported productivity improvements\*.

_\\* U.S. Green Building Council. (2021). [Research Anthology of Health-Promoting Building Strategies](https://www.usgbc.org/resources/research-anthology-health-promoting-building-strategies)._

Energy-efficient buildings help reduce pollution and improve outdoor air quality in major industrialized areas, making LEED a critical tool in reducing smog\*.

_\\* U.S. Green Building Council. (2021). [Research Anthology of Health-Promoting Building Strategies](https://www.usgbc.org/resources/research-anthology-health-promoting-building-strategies)._

* * *

#### Better for the environment

LEED buildings use less energy and water, utilize renewable energy and fewer resources, create less waste, and preserve land and habitat. LEED certification is a global solution for cities, communities and neighborhoods. Through sustainable design, construction and operations, LEED can help new and existing buildings to reduce carbon emissions, energy and waste, conserve water, prioritize safer materials, and lower our exposure to toxins.

- [Tackle climate change](#climate-change)
- [Reduce energy use and carbon emissions](#energy-carbon)
- [Reduce waste](#waste)
- [Fewer cars, fewer miles driven](#transportation)
- [Green materials](#materials)

Buildings account for almost 40% of global energy-related CO2 and are critical in tackling climate change.

Energy-efficient buildings reduce pollution and improve outdoor air quality in major industrialized areas, making LEED a critical tool in reducing smog.

By building to LEED standards, buildings contributed 50% fewer GHGs than conventionally constructed buildings due to water consumption, 48% fewer GHGs due to solid waste and 5% fewer GHGs due to transportation\*.

_\\* Mozingo, L. and E. Arens. 2014. [Quantifying the comprehensive greenhouse gas co-benefits of green buildings](https://escholarship.org/uc/item/935461rm#main). Final report prepared for CARB and CEPA._

- 34% lower CO2 emissions\*
- 25% less energy consumed\*
- 11% less water consumed\*
- 78 million tons of avoided CO2 emissions
- 89/100 average ENERGY STAR score for LEED projects
- 25% less energy on average used by LEED buildings compared to commercial buildings
- 1.3 million tons of coal equivalent saved each year
- 80 million tons of waste diverted from landfills\*

_\\* Fowler, Kimberly, et al. [Re‐Assessing Green Building Performance: A Post Occupancy Evaluation of 22 GSA Buildings](https://www.pnnl.gov/main/publications/external/technical_reports/PNNL-19369.pdf). Sept. 2011._

By 2030, LEED projects will have diverted more than 540 million tons of waste from landfills.

Nearly 4 billion vehicle miles traveled have been avoided by occupants of LEED buildings, thanks to efficient locations and alternative transportation options.

Certified projects are estimated to have cumulatively specified more than $100 billion in green materials.

## How LEED works

To achieve LEED certification, a project earns points by adhering to prerequisites and credits that address carbon, energy, water, waste, transportation, materials, health and indoor environmental quality. Projects go through a verification and review process by GBCI and are awarded points that correspond to a level of LEED certification: Certified (40-49 points), Silver (50-59 points), Gold (60-79 points) and Platinum (80+ points).

![valuable](https://static-assets.usgbc.org/dassets/usgbc.org/images/landing-pages/platinum-icon_0.png)

**Platinum**

80+ points earned

![sustainable](https://static-assets.usgbc.org/dassets/usgbc.org/images/landing-pages/gold-icon_0.png)

**Gold**

60-79 points earned

![flexible](https://static-assets.usgbc.org/dassets/usgbc.org/images/landing-pages/silver-icon_0.png)

**Silver**

50-59 points earned

![2.2 million](https://static-assets.usgbc.org/dassets/usgbc.org/images/landing-pages/certified-icon_0.png)

**Certified**

40-49 points earned

LEED is backed by [USGBC](https://www.usgbc.org/about/mission-vision)—the developers of LEED—and an entire industry of committed organizations and individuals who are paving the way for market transformation. USGBC invests more than $30 million annually to maintain, operate and improve LEED and its customer delivery.

- Learn more about how [LEED works](https://www.usgbc.org/guide-LEED-certification).
- [Download our LEED slide deck](https://www.usgbc.org/resources/about-leed-downloadable-presentation) to demonstrate the value of LEED.
- Learn more about green building concepts in [USGBC's free introductory education courses](https://www.usgbc.org/articles/free-green-building-101-courses-usgbc).
- Explore the [Future of LEED](https://www.usgbc.org/resources/future-leed) and review the principles that will guide our work as we chart the course ahead and receive inputs for how LEED evolves, both for technical requirements and as a market transformation tool.

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