the sierra club

Founded in 1892, the Sierra Club is now the nation's largest and most influential grassroots environmental organization -- with more than two million members and supporters. Learn More

environmental Defense Fund.

This eco-friendly non-profit takes on most urgent environmental threats to the climate, ecosystems, people’s health, and more. Learn More

The Climate Science Legal Defense Fund

The CSLDF works to defend climate scientists who are dragged into litigation or otherwise threatened with legal attacks and harassment by politically and ideologically motivated groups. Learn More

Natural Resources Defense Council

The NRDC combines the power of more than two million members and online activists with the expertise of some 500 scientists, lawyers, and policy advocates to ensure the rights of all people to the air, the water, and the wild.  Learn More

Acadia Center

Through legal strategy, public advocacy and consumer education, it aims to generate practical methods for universalizing the use of sustainable-energy sources. Learn More

earth justice

Founded in 1971, the organization continues to use the law to fight climate change and presere natural places.  Learn More

Global Green USA

It's "Green Urbanism" initiative is meant to be replicable model for a more sustainable city.   Learn More