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.
A small but dedicated band of local Vermont cyclists smile, as they leave the Brattleboro Youth Theater parking lot to continue their 350 mile, 3 day ride for 350.org.
Run forest, run!
We support Chinese environmentalists in their quest to reduce greenhouse gas emissions and live more sustainably. We want them to go for the gold! 350 ppm CO2.
Produced and presented a figure skating show with 160 performers to celebrate life on Earth, to educate performers and audience about climate and environmental issues, and to donate a portion of proce
Eine politische Bewegung wie 350.org braucht körperliche Bewegung. Und wie kann man sich den Körper besser bewegen als auf dem Fußballfeld? Egal welches Sport, von Fußball über Frisbee, Kricket, Radfahren oder bis hin zu sonst was, involvieren Sie sich in 350-Sport.
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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