350

350.org is building a global climate movement. Our online campaigns, grassroots organizing, and mass public actions are coordinated by a global network active in over 188 countries.

350 is the most important number in the world. It's the safe line for our global climate and a start line for a global movement.
The number 350 means climate safety: to preserve a livable planet, scientists tell us we must reduce the amount of CO2 in the atmosphere from its current level of 400 parts per million to below 350 ppm.
We believe that a global grassroots movement can hold our leaders accountable to the realities of science and the principles of justice. That movement is rising from the bottom up all over the world, and is uniting to create the solutions that will ensure a better future for all.


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