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Your account must be approved by @clf-admin before you can participate in this forum. You’ll begin receiving the CLF Newsletter. We invite you to explore the Resource Library. You are invited to events listed on the Community Calendar.

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Join a Regional Hub

The CLF now has regional hubs in over 20 different cities, and new ones are popping up all the time. Select Regional Hubs from the Groups menu. If you don’t see one for your Region on the Groups page, consider starting one yourself!

Donate to Support Your Community


Your gift helps…

Support cutting edge research:

For over a decade, CLF has been the leading research center in North America enabling fundamental understanding of embodied carbon reporting and accounting for building materials and construction.

Educate decision-makers:

CLF educates building industry professionals, companies, organizations, and policy-makers about the importance of whole-building life cycle assessment (LCA) and reducing embodied carbon.

Enable broad collaboration and resource-sharing:

Through the online CLF Community, CLF Regional Hubs in cities around the world, the CLF network of corporate sponsors, the CLF NGO Roundtable, and partnerships with researchers and activists worldwide, CLF helps drive change to decarbonize built environments.

Shape policies:

CLF develops model policies for cities, states, and national governments to drive the decarbonization of building materials through embodied carbon disclosure, low-carbon procurement policies, incentives, and compliance.

Incubate initiatives:

CLF incubates strategic initiatives, including the development of open access databases and tools to aid in calculating, comparing, and reducing the carbon footprint of materials, buildings, roads, bridges, and ports.