To preserve our planet, scientists tell us we must reduce the amount of CO2 in the atmosphere from its current level of 392 parts per million ("ppm")to below 350 ppm. But 350 is more than a number—it's a symbol of where we need to head as a planet.
At 350.org, we're building a global grassroots movement to solve the climate crisis and push for policies that will put the world on track to get to 350 ppm.
Climate action groups are coming together for two days of facilitated meetings and workshops in Australia's national capital, Canberra, over the weekend 31 January, 1 February, just before the Parliam
350 people, 350 meters, 350 acts of kindness, 350 pair of cozy socks plus 350 socks for friends and 350 person happy hour toast, on the 350th day of the year at 3:50pm. Why?
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 »
Climate Movement Success Stories
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