Dear friends, 350 is the red line for human beings, the most important number on the planet. The most recent science tells us that unless we can reduce the amount of carbon dioxide in the atmosphere to 350 parts per million, we will cause huge and irreversible damage to the earth. We’re planning an international campaign to unite the world around the number 350, and we need your help. We need to make sure that the solutions the world proposes to climate change are to scale with the level of crisis that this number represents. Everyone on earth, from the smallest village to the cushiest corner office, needs to know what 350 means. The movement to spread that number needs to be beautiful, creative, and unstoppable. What we need most right now are on-the-ground examples for how to take the number 350 and drive it home: in art, in music, in political demonstrations, in any other way you can imagine. We hope this project will grow tremendously in the months to come, and it helps all the more if people can see the great things others are doing already. We will connect actions all around the world and make them add up to more than the sum of their parts-but we don’t have all the ideas and all the inspiration. We need you to act on yours. We could also use your help spreading 350. Can you contact anyone you think might be interested and willing to help–in every country on earth–and send them our way? Many thanks, Bill McKibben and the 350.org crew.

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