A key component of GCCA’s strategy is to multiply our efforts through partnerships. We are proud to work closely with a number of organizations.

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The Energy Foundation works to promote the transition to a sustainable energy future by advancing energy efficiency and renewable energy. The Energy Foundation is pragmatic and nonpartisan, dedicated to finding practical solutions that work in the real world. Their primary role as a grantmaker supports groups working to build the new energy economy. Their programs focus on making the buildings, power, and transportation sectors more efficient, and on advancing effective policies that open big markets for clean energy technology. Grantees include health, labor, environmental, faith, property-rights, clean-energy, and consumer groups, as well as think tanks, universities, and military organizations. The Global Cool Cities Alliance is a grantee of the Energy Foundation.  Learn more here.

The C40 Cities Climate Leadership Group (C40) is a network of the world’s megacities taking action to reduce greenhouse gas emissions.  With a unique set of assets, the C40 works with participating cities to address climate risks and impacts. C40 is committed to implementing meaningful and sustainable climate-related actions locally that will help address climate change globally. C40 partnered with GCCA to form a Cool Cities Network to support urban heat island mitigation policy and program development at the city scale. Learn more at


Founded in 1886, GAF has become North America’s largest manufacturer of commercial and residential roofing. As the industry leader, GAF offer all major roofing technologies, repair and maintenance products and roof restoration systems, new roofing systems, and a broad array of environmentally friendly solutions. They have options for both residential and commercial properties, including products containing recycled materials, reflective or “cool” roofing, re-cover roofing to reduce landfill waste, garden roofing, and solar roofing products. Learn more at


Clean Energy Solutions Center helps governments turn clean energy visions into reality. They share policy best practices, data, and analysis tools across countries, and serve as a first-stop clearinghouse of clean energy resources. The Solutions Center also offers no-cost policy assistance online training and expert assistance to help countries tailor solutions to their needs and foster international collaboration on policy innovations.

The Solutions Center was designed and is supported by a unique partnership between the Clean Energy Ministerial and the United Nations inter-agency energy mechanism (UN-Energy). Learn more at

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The mission of the R20 is to help states, provinces, regions, and other subnational governments around the world develop, implement, and communicate low-carbon and climate-resilient economic development projects, policies, and best practices.

The R20’s low-carbon projects will produce global environmental benefits and local economic benefits in the form of reduced energy consumption and greenhouse gas emissions, enhanced local economies, new green jobs, improved public health, and increased climate resilience.  The R20’s projects will be developed and implemented by a diverse coalition of subnational governments and partners (non-profit organizations, corporations, academic institutions, intergovernmental organizations, financial institutions, United Nations pro­grammes, and national governments). GCCA is a non-profit partner to the R20 and is the technical advisor on its cool roof and pavement initiative. Learn more at

The Blum Center for Developing Economies was established in March 2006 to improve the well-being of the three billion people in the world who live on less than two dollars a day. Their mission is to improve the well-being of poor people in developing countries by designing, adapting and disseminating scalable and sustainable technologies and systems and by educating and inspiring a new generation of global citizens. The Blum Center addresses the needs of the poor in developing countries by leveraging UC and LBNL expertise and preparing students with the theoretical understanding, applied skills and experiential learning that enable them to become agents of change in the struggle against global poverty. Learn more at

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The Liberty Hill Foundation advances social change through a strategic combination of grants, leadership training and campaigns. Liberty Hill has pioneered a highly effective organizing and research model, bringing together academic researchers and community leaders in strategic campaigns to reduce pollution in Los Angeles. Their environmental investments target low income communities of color where pollution has its most deadly consequences. Improving the environment in these densely polluted neighborhoods benefits everyone, but most of all, the tens of thousands of families who live and work there. Learn more at

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The JPB Foundation works with non-profits and other funders to collaborate, coordinate, and leverage resources to achieve the maximum impact in their areas of focus, and to enhance the quality of life in the United States through transformational initiatives that promote the health of our communities by enriching and sustaining our environment. The JPB Foundation explores the energy system, and the projects they support may focus on low-income housing and how retrofits of this housing stock can enable healthy and resilient communities. Learn more at

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The Mertz Gilmore Foundation is a private, independent grantmaking institution that supports and promotes vibrant communities, the performing arts, and a sustainable environment. The Foundation uses a variety of philanthropic strategies to strengthen civic and cultural institutions in underserved communities of New York City and to address the climate crisis. In 2007, the Board approved a new grants program to help bring about substantial reductions in global warming pollution through targeted investments in sustainable policy and practice. The Climate Change Solutions program aims to bring about substantial reductions in global warming pollution through sustainable policy and practice.  Learn more at

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Established in 1985, Flex Membrane International Corp. pioneered the manufacturing of modified PVC single ply roofing membranes incorporating DuPont Elvaloy® KEE, a unique plasticizer that keeps the material indefinitely flexible, while making it highly resistant to environmental and temperature extremes and exposure to a wide range of chemicals and pollutants. When it comes to thermoplastic single ply membrane roofing systems, Flex is the expert of choice for architects and contractors who won’t settle for anything but the highest industry standards. Their roofing systems are installed only by certified installers with full training and experience with Flex products and techniques. Learn more here.

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Sika Sarnafil is a specialty chemicals company with a leading position in the development and production of systems and products for bonding, sealing, damping, reinforcing and protecting in the building sector and the motor vehicle industry. Sika has subsidiaries in 84 countries around the world and manufactures in over 160 factories. Its more than 16,000 employees generate annual sales of CHF 5.14 billion. In today’s world, social, economic and ecological issues are closely intertwined. Sika actively engages in sustainable projects through the sponsorship of organizations and initiatives in the fields of science. Learn more here.

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Duro-Last – the world’s largest manufacturer of prefabricated roofing systems – produces high-quality commercial roofing systems by performing 80-85% of roof membrane seaming in a controlled factory environment. Custom fabricated stacks and curb flashings, made in the factory eliminate most rooftop labor from critical roof areas transitions and changes in plane. Their unique custom-fabrication approach to commercial roofing systems makes Duro-Last ideal for any flat or low-sloped, new or retrofit roofing application. Learn more here.

The Chemical Fabrics and Film Association is an international trade association representing manufacturers of polymer-based fabric and film products, used in the building and construction, automotive, fashion and many other industries. Learn more here.