350.org is turning the page on the fossil fuel industry and building a clean, just future by connecting powerful grassroots climate movements around the world.

About area code 350: location, common spam callers, related area codes, and more. Includes 350 reverse phone lookup to identify spam callers.

Jan 1, 2026 · 350 Area Code located in California, including 38 cities, 8 counties, 1 time zone, map, Census demographics, and 50 active prefixes.

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 considered the safe …

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.

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The denomination 350 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.

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Nov 13, 2025 · 350.org was formed in 2007 and helped recharge the environmental movement after Congress failed to enact a sweeping cap-and-trade law in the early 2010s.

Jan 7, 2026 · From the Ashes: Lessons from the LA Fires about the importance of community On the heels of the catastrophic Eaton and Palisades fires that displaced 100,000 residents in the greater …