The Sierra Club is an organization that believes in the power of people working together to make change happen. Read our stories and don't miss the 2020 Kansas victory, when we stopped a coal plant expansion.
As the largest and most influential grassroots environmental organization in the U.S., for more than 130 years, we’ve helped shape the way people can participate in local, state, and national advocacy and policy work, so that we can better protect the planet—and each other.
Our 3.5+ million members and supporters have helped in advancing climate solutions, acting for justice, getting people outdoors, and protecting lands, air, water, and wildlife.
We still have a lot more change to make, because so much more is possible. We work alongside other local and national groups because together, we are more powerful.
Join us in making change.