All the way off the west coast of North America in Santa Cruz, Ca
Join Us:
Featured Projects
Climate Leadership Workshops
Training the next generation of climate leaders.
"The U.S. Chamber Doesn't Speak For Me"
Fighting the corporations blocking climate action.
eARTh: Climate Art
Using art to spark a global climate movement.
350 Radio Wave
Harnessing the power of song to take the climate movement to the airwaves.
The Science of 350
Scientists say that 350 parts per million CO2 in the atmosphere is the safe limit for humanity. Learn more about 350—what it means, where it came from, and how to get there. Read More »
Photos From the Movement
Friends & Allies
AVAAZ, TckTckTck, Oxfam, WWF, Greenpeace
Alliance for Climate Education, CYCAN, 1Sky, Energy Action Coalition
GetUp!, IndyAct, SustainUS, Movimiento Agua y Juventud Internacionale
Caribbean Youth Environment Network, GEO Juvenil Ecuador, Vitae Civilis, Presencia Ciudadana
Indian Youth Climate Network, Friends of the Earth, Australian Youth Climate Coalition, UK Youth Climate Coalition
Understanding 350 - Frequently Asked Questions
350 Messengers
350 Gear
Help spread the word and look good while doing it—check out the 350 Store for t-shirts, buttons, stickers, and more.