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dotOrg Membership Navigation Your nearest Sierra Club chapter dotOrg Primary Navigation Your nearest Sierra Club chapter Fight for the Planet Sierra Club is working tirelessly to protect wildlife and wild places ensure clean air and water for all and fight the devastating effects of climate change. Home Sierra Club is the most historic grassroots environmental organization in the country. For more than 130 years weve gathered millions of activists and volunteers to fight for the places people and planet we all love. 382 Coal Plants Retired We are addressing the climate crisis by stopping the expansion of fossil fuels and accelerating the transition to a clean energy economy.