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.
September 27 and 28 was a wonderful busy weekend with the Green Jobs events. I spoke Saturday night about green jobs and the climate at Life Alive in Lowell.
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.
Durante 38 años he luchado junto a los indígenas, los campesinos, los colonos, los aspirantes de tierra y/o vivienda, los vendedores ambulantes y los desposeídos y marginados, en una dura, pero ale
Community event with Bill McKibben. Live music by Seth Bernard and Daisy May Erlewine. A Rally for local solutions to global climate change. First 350 people under 21 receive a free T-Shirt.
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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