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.
We will spread awareness and encourage action to fight climate change by baking dozens of home-made chocolate-chip and oatmeal-raisin cookies at the magic number of 350.
Nuestro objetivo es hacer conciencia en la gente, aportandoles la iniciativa y las ideas que nos lleven a la acción, para que así, cada uno aporte un grano de arena por el mantenimiento sostenible d
I am donating 350 copies of my children's book, "The Big Field : a Child's Year Under the Southern Cross", a story of nature, seasons, and reforestation in the Atlantic Rainforest, to the first 350 lo
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!
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 »
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