Featured 350 Projects: The Science of 350 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 Submit your success story from your work in the climate
movement and we'll share the best ones on our blog and social
networks! Stories from people like you are crucial tools in
growing the climate movement. Friends & Allies Understanding 350
- Frequently Asked Questions - So, what is global warming and
what's the problem anyway? - And what does this 350 number even
mean? - If we're already past 350, are we all doomed? - How do
we create the political change to steer towards 350? - How do we
actually reduce carbon emissions to get to 350?? - Will this
thing work? Will world leaders listen? - Where did this 350
number come from? - Isn't America the biggest source of the
problem? What about China and India? - 350 is just a number.
Wouldn't "Climate Emerge