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According to the 2020 World Urban Forum, cities are responsible for 75% of global energy and resource use.

根据2020年世界城市论坛的数据，城市消耗了全球75%的能源和资源。

In the past decade, the incorporation of green standards in new buildings has increased significantly. According to the U.S. Green Building Council, the number of new buildings with sustainable features will continue to grow as the market responds to consumer demands.

在过去的十年里，在新建筑中采用绿色标准的情况显著增加。根据美国绿色建筑委员会的说法，随着市场对消费者需求的回应，具有可持续特征的新建筑的数量将继续增长。

Urban areas are leading the way in retrofitting old buildings. With whole neighborhoods experiencing revitalization, old brick rowhouses in cities across the country are finding a second life. Retrofits look to use the existing structure while removing toxic materials and adding more sustainable features. Most projects involve removing toxic insulation, such as asbestos, as well as installing new utility systems, more sustainable lighting and even features like green roofs and rain gardens.

城市地区在改造旧建筑方面处于领先地位。随着整个社区都在经历复兴，全国各地城市的老砖排屋都在寻找第二次生命。改造着眼于利用现有结构，同时去除有毒材料并增加更多可持续的功能。大多数项目包括拆除有毒的绝缘材料，如石棉，以及安装新的公用事业系统，更可持续的照明，甚至还有绿色屋顶和雨水花园等特色。

It’s possible to retrofit most existing buildings with green features. Green buildings look to improve not only the energy efficiency of the structure, but also the health of its occupants. A few adjustments make existing infrastructure healthier and more sustainable.

大多数现有建筑都可以改造成绿色建筑。绿色建筑不仅要提高结构的能源效率，而且要提高居住者的健康。一些调整使现有的基础设施更健康、更可持续。

Five cities in the United States are leading the way in greening existing infrastructure. From coast to coast, urban areas are finding ways to preserve the historical significance of older buildings, while also improving the living space for the future. From Portland, Ore., to Boise, Idaho, we will explore five cities transforming old buildings into the epitome of green renovation and urban rehabilitation.

美国有五个城市在绿化现有基础设施方面处于领先地位。从东海岸到西海岸，城市地区都在寻找保护老建筑历史意义的方法，同时也在为未来改善生活空间。从俄勒冈州的波特兰到爱达荷州的博伊西，我们将探索五个城市将旧建筑改造成绿色改造和城市改造的缩影。

1. Portland, Ore.俄勒冈州波特兰。

The city of Portland is revolutionary in its green building standards and has some of the best examples of retrofitted buildings in the country. Housing complexes, such as Tillamook Row in Northeast Portland, incorporate new insulation and solar panels that have eliminated electricity bills for occupants by creating a surplus of renewable energy.

波特兰市在绿色建筑标准方面是革命性的，在全国有一些最好的改造建筑的例子。波特兰东北部的蒂拉穆克街(Tillamook Row)等住宅区采用了新的绝缘材料和太阳能电池板，通过创造剩余的可再生能源，为居住者消除了电费。

Many energy, construction and design firms in Portland are working to improve energy and building standards. In 2009, the Portland Bureau of Planning and Sustainability issued a plan to reduce energy consumption in current buildings. Working with Clean Energy Works Portland, which provides loans for energy upgrades, the plan resulted in reducing energy consumption by 20% in participating buildings.

波特兰的许多能源、建筑和设计公司都在努力提高能源和建筑标准。2009年，波特兰规划与可持续发展局(Portland Bureau of Planning and Sustainability)发布了一项减少现有建筑能耗的计划。该计划与波特兰清洁能源公司(Clean Energy Works Portland)合作，为能源升级提供贷款，使参与项目的建筑能耗降低了20%。

Additionally, Portland’s Green Building Policy works with existing policies to manage issues like stormwater treatment, transportation, economic development and waste management. The policy network incorporates LEED strategies, as well as the Earth Advantage Institute and Living Building Challenge, both of which guide design in terms of both energy and health.

此外，波特兰的绿色建筑政策与现有政策一起管理雨水处理、交通、经济发展和废物管理等问题。政策网络结合了LEED战略，以及地球优势研究所和生活建筑挑战，两者都在能源和健康方面指导设计。

2. Austin, Texas得克萨斯州奥斯汀市

In 1990, the city of Austin established the first green building initiative in the country. Known as the Austin Energy Green Building process, the plan has evolved in recent years to account for improvements in energy efficiency, as well as the availability of additional green certifications.

1990年，奥斯汀市建立了全国第一个绿色建筑倡议。该计划被称为奥斯汀能源绿色建筑流程，近年来不断发展，以提高能源效率，以及获得额外的绿色认证。

Several sustainability companies in Austin work to support green initiatives in existing structures. The Austin Green Team focuses on improving structures for the health of the occupant, with sustainability being a bonus. Retrofit projects can include sustainable insulation, HEPA air filtration systems and natural mold solutions.

奥斯汀的几家可持续发展公司致力于支持现有建筑的绿色倡议。奥斯汀绿色团队专注于改善居住者的健康结构，可持续性是一个额外的好处。改造项目包括可持续保温、高效空气过滤系统和天然霉菌解决方案。

Contracting firms are also heavily involved in retrofit projects throughout Austin. One company, Burt-Watts, strives to reuse the majority of existing infrastructure and reduce energy usage by a minimum of 25%. In one project, the firm converted a 1960s building into an office space, adhering to the Austin Energy Green Building Standards as well as LEED certification standards.

承包公司也大量参与奥斯汀的改造项目。Burt-Watts公司致力于重新利用大部分现有基础设施，并将能源消耗减少至少25%。在一个项目中，该公司将一座20世纪60年代的建筑改造成办公空间，遵循奥斯汀能源绿色建筑标准和LEED认证标准。

3. Chicago, Ill.芝加哥

In Chicago, buildings produce more greenhouse gas emissions than any other source. To support the goal of improving economic and environmental sustainability, the city has focused on increasing incentives for green construction, as well as retrofitting projects. Retrofit Chicago, a city-led energy-efficiency program, focuses on reducing greenhouse emissions while saving homeowners money.

在芝加哥，建筑产生的温室气体比任何其他来源都要多。为了支持提高经济和环境可持续性的目标，该市一直致力于增加对绿色建筑和改造项目的激励。Retrofit Chicago是一个由城市主导的能源效率项目，其重点是减少温室气体排放，同时为房主省钱。

Green retrofitting in Chicago focuses on improving insulation, installing energy-efficient lighting and reducing maintenance costs. The city has ranked as the Greenest Place to Work in America three years in a row, according to the National Green Building Adoption Index. There are two primary standards for measuring green buildings in Chicago: the EPA EnergyStar label and the U.S. Green Building Council LEED certification.

芝加哥的绿色改造着重于改善绝缘、安装节能照明和降低维护成本。根据国家绿色建筑采用指数，该市连续三年被评为美国最环保的工作场所。在芝加哥，衡量绿色建筑有两个主要标准:EPA能源之星标签和美国绿色建筑委员会LEED认证。

4. Baltimore, Md.马里兰州巴尔的摩。

There are over 17,000 vacant buildings in Baltimore. However, the city has made significant progress to help reduce the number of demolitions and push for adaptive reuse instead. According to the Building Owners and Managers Association of Greater Baltimore, sustainable building projects are the best way to create cost competition in the market.

巴尔的摩有一万七千多栋空置建筑。然而，该市在减少拆迁数量和推动适应性再利用方面取得了重大进展。根据大巴尔的摩地区建筑业主和管理者协会的说法，可持续建筑项目是在市场上创造成本竞争的最佳方式。

The city of Baltimore also established a Green Construction Code in 2015, which works to distribute permits for green-certified construction and retrofit projects. Other citywide initiatives also work to transform existing infrastructure into sustainable spaces, including Retrofit Baltimore, the Neighborhood Design Center and the Enviro Center. The Neighborhood Design Center focuses specifically on retrofitting old buildings throughout the city.

巴尔的摩市还于2015年制定了绿色建筑规范，旨在为绿色认证的建筑和改造项目发放许可证。其他全市范围内的倡议也致力于将现有的基础设施转变为可持续的空间，包括Retrofit Baltimore, Neighborhood Design Center和Enviro Center。邻里设计中心特别关注整个城市的旧建筑改造。

5. Boise, Idaho爱达荷州的博伊西

When considering green cities, Boise may not be one of the first examples to come to mind. However, Boise is one of the fastest-growing cities in the country, and has aggressive sustainability strategies to reduce energy use in existing buildings by 50% by 2030.

在考虑绿色城市时，博伊西可能不是第一个出现在脑海中的例子。然而，博伊西是美国发展最快的城市之一，并制定了积极的可持续发展战略，到2030年将现有建筑的能源消耗减少50%。

Boise has an extensive geothermal energy network, with geothermal providing heat for more than 90 buildings downtown. Additionally, the city installs solar panels on commercial buildings. Using renewable energy is a straightforward way to reduce energy consumption in old buildings without the need for new infrastructure.

博伊西拥有广泛的地热能源网络，地热为市中心的90多座建筑提供热量。此外，该市在商业建筑上安装了太阳能电池板。使用可再生能源是一种直接的方法，可以减少旧建筑的能源消耗，而不需要新的基础设施。

The city of Boise also enacted a Green Building Code in 2015, which adopted the International Green Construction Code. In addition to assisting with project coordination and permitting, the city also donates a plaque attesting to the building’s sustainability upon completion of the retrofit project. These small actions make a significant impact on consumer awareness when it comes to green buildings.

博伊西市也于2015年颁布了绿色建筑规范，该规范采用了国际绿色建筑规范。除了协助项目协调和许可之外，该市还在改造项目完成后捐赠了一块牌匾，证明该建筑的可持续性。当涉及到绿色建筑时，这些小小的行动对消费者的意识产生了重大影响。

Old Is the New Green

旧的是新的绿色

The production of concrete is the third-highest source of greenhouse gas emissions, behind only energy and transportation. Additionally, demolitions and teardowns contribute to air pollution and also generate a significant amount of construction waste, most of which ends up in landfills. Adaptive reuse of existing buildings reduces the need for new materials. Retrofitting existing buildings in urban areas is a fantastic way to save historic properties, while improving the health and livelihood of tenants and communities.

混凝土的生产是温室气体排放的第三大来源，仅次于能源和运输。此外，拆卸和拆除会造成空气污染，并产生大量建筑废物，其中大部分最终被填埋。现有建筑的适应性再利用减少了对新材料的需求。对城市地区的现有建筑进行改造是保存历史遗产的一种极好的方式，同时还能改善租户和社区的健康和生计。

Green retrofits are part of the holistic process of using green infrastructure throughout neighborhoods, from inside homes to sidewalks, parks and rain gardens. Based on the principle that it’s possible to make urban areas green without tearing them down, retrofitting old buildings plays a critical role in neighborhood revitalization.

绿色改造是整个社区使用绿色基础设施的整体过程的一部分，从家庭内部到人行道，公园和雨水花园。基于不拆除就可以使城市地区绿化的原则，改造旧建筑在社区振兴中起着至关重要的作用。

Making green modifications to existing structures through renovation, retrofit or refurbishing projects helps reuse existing materials, while improving the energy efficiency of the original building. The U.S. Department of Energy offers detailed resources with guides on meeting sustainability goals and green building certifications.

通过翻新、改造或翻新项目对现有结构进行绿色改造，有助于再利用现有材料，同时提高原有建筑的能源效率。美国能源部提供了关于实现可持续发展目标和绿色建筑认证的详细资源指南。

Any city can achieve the objective of making old buildings green, and the industry shows excellent promise for growth in the next few years.

任何城市都可以实现旧建筑绿色化的目标，该行业在未来几年内显示出良好的增长前景。

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According to the 2020 World Urban Forum, cities are responsible for 75% of global energy and resource use.

根据2020年世界城市论坛的数据，城市消耗了全球75%的能源和资源。

In the past decade, the incorporation of green standards in new buildings has increased significantly. According to the U.S. Green Building Council, the number of new buildings with sustainable features will continue to grow as the market responds to consumer demands.

在过去的十年里，在新建筑中采用绿色标准的情况显著增加。根据美国绿色建筑委员会的说法，随着市场对消费者需求的回应，具有可持续特征的新建筑的数量将继续增长。

Urban areas are leading the way in retrofitting old buildings. With whole neighborhoods experiencing revitalization, old brick rowhouses in cities across the country are finding a second life. Retrofits look to use the existing structure while removing toxic materials and adding more sustainable features. Most projects involve removing toxic insulation, such as asbestos, as well as installing new utility systems, more sustainable lighting and even features like green roofs and rain gardens.

城市地区在改造旧建筑方面处于领先地位。随着整个社区都在经历复兴，全国各地城市的老砖排屋都在寻找第二次生命。改造着眼于利用现有结构，同时去除有毒材料并增加更多可持续的功能。大多数项目包括拆除有毒的绝缘材料，如石棉，以及安装新的公用事业系统，更可持续的照明，甚至还有绿色屋顶和雨水花园等特色。

It’s possible to retrofit most existing buildings with green features. Green buildings look to improve not only the energy efficiency of the structure, but also the health of its occupants. A few adjustments make existing infrastructure healthier and more sustainable.

大多数现有建筑都可以改造成绿色建筑。绿色建筑不仅要提高结构的能源效率，而且要提高居住者的健康。一些调整使现有的基础设施更健康、更可持续。

Five cities in the United States are leading the way in greening existing infrastructure. From coast to coast, urban areas are finding ways to preserve the historical significance of older buildings, while also improving the living space for the future. From Portland, Ore., to Boise, Idaho, we will explore five cities transforming old buildings into the epitome of green renovation and urban rehabilitation.

美国有五个城市在绿化现有基础设施方面处于领先地位。从东海岸到西海岸，城市地区都在寻找保护老建筑历史意义的方法，同时也在为未来改善生活空间。从俄勒冈州的波特兰到爱达荷州的博伊西，我们将探索五个城市将旧建筑改造成绿色改造和城市改造的缩影。

1. Portland, Ore.俄勒冈州波特兰。

The city of Portland is revolutionary in its green building standards and has some of the best examples of retrofitted buildings in the country. Housing complexes, such as Tillamook Row in Northeast Portland, incorporate new insulation and solar panels that have eliminated electricity bills for occupants by creating a surplus of renewable energy.

波特兰市在绿色建筑标准方面是革命性的，在全国有一些最好的改造建筑的例子。波特兰东北部的蒂拉穆克街(Tillamook Row)等住宅区采用了新的绝缘材料和太阳能电池板，通过创造剩余的可再生能源，为居住者消除了电费。

Many energy, construction and design firms in Portland are working to improve energy and building standards. In 2009, the Portland Bureau of Planning and Sustainability issued a plan to reduce energy consumption in current buildings. Working with Clean Energy Works Portland, which provides loans for energy upgrades, the plan resulted in reducing energy consumption by 20% in participating buildings.

波特兰的许多能源、建筑和设计公司都在努力提高能源和建筑标准。2009年，波特兰规划与可持续发展局(Portland Bureau of Planning and Sustainability)发布了一项减少现有建筑能耗的计划。该计划与波特兰清洁能源公司(Clean Energy Works Portland)合作，为能源升级提供贷款，使参与项目的建筑能耗降低了20%。

Additionally, Portland’s Green Building Policy works with existing policies to manage issues like stormwater treatment, transportation, economic development and waste management. The policy network incorporates LEED strategies, as well as the Earth Advantage Institute and Living Building Challenge, both of which guide design in terms of both energy and health.

此外，波特兰的绿色建筑政策与现有政策一起管理雨水处理、交通、经济发展和废物管理等问题。政策网络结合了LEED战略，以及地球优势研究所和生活建筑挑战，两者都在能源和健康方面指导设计。

2. Austin, Texas得克萨斯州奥斯汀市

In 1990, the city of Austin established the first green building initiative in the country. Known as the Austin Energy Green Building process, the plan has evolved in recent years to account for improvements in energy efficiency, as well as the availability of additional green certifications.

1990年，奥斯汀市建立了全国第一个绿色建筑倡议。该计划被称为奥斯汀能源绿色建筑流程，近年来不断发展，以提高能源效率，以及获得额外的绿色认证。

Several sustainability companies in Austin work to support green initiatives in existing structures. The Austin Green Team focuses on improving structures for the health of the occupant, with sustainability being a bonus. Retrofit projects can include sustainable insulation, HEPA air filtration systems and natural mold solutions.

奥斯汀的几家可持续发展公司致力于支持现有建筑的绿色倡议。奥斯汀绿色团队专注于改善居住者的健康结构，可持续性是一个额外的好处。改造项目包括可持续保温、高效空气过滤系统和天然霉菌解决方案。

Contracting firms are also heavily involved in retrofit projects throughout Austin. One company, Burt-Watts, strives to reuse the majority of existing infrastructure and reduce energy usage by a minimum of 25%. In one project, the firm converted a 1960s building into an office space, adhering to the Austin Energy Green Building Standards as well as LEED certification standards.

承包公司也大量参与奥斯汀的改造项目。Burt-Watts公司致力于重新利用大部分现有基础设施，并将能源消耗减少至少25%。在一个项目中，该公司将一座20世纪60年代的建筑改造成办公空间，遵循奥斯汀能源绿色建筑标准和LEED认证标准。

3. Chicago, Ill.芝加哥

In Chicago, buildings produce more greenhouse gas emissions than any other source. To support the goal of improving economic and environmental sustainability, the city has focused on increasing incentives for green construction, as well as retrofitting projects. Retrofit Chicago, a city-led energy-efficiency program, focuses on reducing greenhouse emissions while saving homeowners money.

在芝加哥，建筑产生的温室气体比任何其他来源都要多。为了支持提高经济和环境可持续性的目标，该市一直致力于增加对绿色建筑和改造项目的激励。Retrofit Chicago是一个由城市主导的能源效率项目，其重点是减少温室气体排放，同时为房主省钱。

Green retrofitting in Chicago focuses on improving insulation, installing energy-efficient lighting and reducing maintenance costs. The city has ranked as the Greenest Place to Work in America three years in a row, according to the National Green Building Adoption Index. There are two primary standards for measuring green buildings in Chicago: the EPA EnergyStar label and the U.S. Green Building Council LEED certification.

芝加哥的绿色改造着重于改善绝缘、安装节能照明和降低维护成本。根据国家绿色建筑采用指数，该市连续三年被评为美国最环保的工作场所。在芝加哥，衡量绿色建筑有两个主要标准:EPA能源之星标签和美国绿色建筑委员会LEED认证。

4. Baltimore, Md.马里兰州巴尔的摩。

There are over 17,000 vacant buildings in Baltimore. However, the city has made significant progress to help reduce the number of demolitions and push for adaptive reuse instead. According to the Building Owners and Managers Association of Greater Baltimore, sustainable building projects are the best way to create cost competition in the market.

巴尔的摩有一万七千多栋空置建筑。然而，该市在减少拆迁数量和推动适应性再利用方面取得了重大进展。根据大巴尔的摩地区建筑业主和管理者协会的说法，可持续建筑项目是在市场上创造成本竞争的最佳方式。

The city of Baltimore also established a Green Construction Code in 2015, which works to distribute permits for green-certified construction and retrofit projects. Other citywide initiatives also work to transform existing infrastructure into sustainable spaces, including Retrofit Baltimore, the Neighborhood Design Center and the Enviro Center. The Neighborhood Design Center focuses specifically on retrofitting old buildings throughout the city.

巴尔的摩市还于2015年制定了绿色建筑规范，旨在为绿色认证的建筑和改造项目发放许可证。其他全市范围内的倡议也致力于将现有的基础设施转变为可持续的空间，包括Retrofit Baltimore, Neighborhood Design Center和Enviro Center。邻里设计中心特别关注整个城市的旧建筑改造。

5. Boise, Idaho爱达荷州的博伊西

When considering green cities, Boise may not be one of the first examples to come to mind. However, Boise is one of the fastest-growing cities in the country, and has aggressive sustainability strategies to reduce energy use in existing buildings by 50% by 2030.

在考虑绿色城市时，博伊西可能不是第一个出现在脑海中的例子。然而，博伊西是美国发展最快的城市之一，并制定了积极的可持续发展战略，到2030年将现有建筑的能源消耗减少50%。

Boise has an extensive geothermal energy network, with geothermal providing heat for more than 90 buildings downtown. Additionally, the city installs solar panels on commercial buildings. Using renewable energy is a straightforward way to reduce energy consumption in old buildings without the need for new infrastructure.

博伊西拥有广泛的地热能源网络，地热为市中心的90多座建筑提供热量。此外，该市在商业建筑上安装了太阳能电池板。使用可再生能源是一种直接的方法，可以减少旧建筑的能源消耗，而不需要新的基础设施。

The city of Boise also enacted a Green Building Code in 2015, which adopted the International Green Construction Code. In addition to assisting with project coordination and permitting, the city also donates a plaque attesting to the building’s sustainability upon completion of the retrofit project. These small actions make a significant impact on consumer awareness when it comes to green buildings.

博伊西市也于2015年颁布了绿色建筑规范，该规范采用了国际绿色建筑规范。除了协助项目协调和许可之外，该市还在改造项目完成后捐赠了一块牌匾，证明该建筑的可持续性。当涉及到绿色建筑时，这些小小的行动对消费者的意识产生了重大影响。

Old Is the New Green

旧的是新的绿色

The production of concrete is the third-highest source of greenhouse gas emissions, behind only energy and transportation. Additionally, demolitions and teardowns contribute to air pollution and also generate a significant amount of construction waste, most of which ends up in landfills. Adaptive reuse of existing buildings reduces the need for new materials. Retrofitting existing buildings in urban areas is a fantastic way to save historic properties, while improving the health and livelihood of tenants and communities.

混凝土的生产是温室气体排放的第三大来源，仅次于能源和运输。此外，拆卸和拆除会造成空气污染，并产生大量建筑废物，其中大部分最终被填埋。现有建筑的适应性再利用减少了对新材料的需求。对城市地区的现有建筑进行改造是保存历史遗产的一种极好的方式，同时还能改善租户和社区的健康和生计。

Green retrofits are part of the holistic process of using green infrastructure throughout neighborhoods, from inside homes to sidewalks, parks and rain gardens. Based on the principle that it’s possible to make urban areas green without tearing them down, retrofitting old buildings plays a critical role in neighborhood revitalization.

绿色改造是整个社区使用绿色基础设施的整体过程的一部分，从家庭内部到人行道，公园和雨水花园。基于不拆除就可以使城市地区绿化的原则，改造旧建筑在社区振兴中起着至关重要的作用。

Making green modifications to existing structures through renovation, retrofit or refurbishing projects helps reuse existing materials, while improving the energy efficiency of the original building. The U.S. Department of Energy offers detailed resources with guides on meeting sustainability goals and green building certifications.

通过翻新、改造或翻新项目对现有结构进行绿色改造，有助于再利用现有材料，同时提高原有建筑的能源效率。美国能源部提供了关于实现可持续发展目标和绿色建筑认证的详细资源指南。

Any city can achieve the objective of making old buildings green, and the industry shows excellent promise for growth in the next few years.

任何城市都可以实现旧建筑绿色化的目标，该行业在未来几年内显示出良好的增长前景。

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