6 days ago · Help 350.org build a powerful climate movement. We believe in a safe climate and a better future — a just, prosperous, and equitable world built with the power of ordinary people.

What's in a name? Ours, 350, is a number. And a very important one. It is a reference to 350 parts per million (ppm) – the concentration of carbon dioxide (CO2) in the atmosphere …

Climate change affects us all but makes inequalities even deeper. 350.org is fighting for climate solutions rooted in justice, putting people and communities first.

At 350.org, we support all interconnecting climate issues while focusing on a just energy transition – away from fossil fuels, and towards renewable energy, like wind and solar power.

350.org continues moving forward on our work to stop fossil fuel projects and end funding for fossil fuel projects, while strengthening a global climate movement that inspires hundreds of …

Ahead of the UN COP15 Summit in Copenhagen and 350.org’s first Global Day of Action, people in 181 countries mobilize to demand a binding climate treaty to stay below 350 parts per …

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Bill is Founder and Senior Advisor at 350.org and is the Schumann Distinguished Professor in Residence at Middlebury College in Vermont. He is a 2014 recipient of the Right Livelihood …

At 350.org, you’ll work with a team of brilliant, fierce colleagues, tackling one of the greatest issues of our time, in a flexible and collaborative environment. Learn more about who we are, …

Nov 11, 2025 · Explore the latest news, press releases and media resources from 350.org, our campaigns and the movement for a world powered by just and accessible renewable energy.