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Climate Action Network

Climate Action Network (CAN) is the world’s largest climate network made up of more than 1,900 civil society organisations in over 130 countries, together fighting the climate crisis.

Climate Science Legal Defense Fund

Our work ensures that scientists can conduct, publish, and discuss their research and advocate for science without the threat of political harassment, censorship, or legal intimidation.

Citizens' Climate Lobby

Citizens’ Climate Lobby (CCL) is a nonprofit, nonpartisan, grassroots advocacy climate change organization focused on national policies to address the national and global climate crisis. Consistently respectful, nonpartisan approach to climate education.

Union of Concerned Scientists

The Union of Concerned Scientists (UCS) is a national nonprofit organization founded more than 50 years ago by scientists and students at the Massachusetts Institute of Technology. Our mission: The Union of Concerned Scientists puts rigorous, independent science into action, developing solutions and advocating for a healthy, safe, and just future. Today, we are a group of nearly 250 scientists, analysts, policy experts, organizers, and communicators dedicated to that purpose.