The number 350--as in parts per million—is the
level scientists have identified as the safe upper limit for CO2 in our
atmosphere. Rajendra Pachauri, chair of the UN's official climate science
panel, just personally endorsed the 350 ppm target.
350.org is an international campaign dedicated to building a movement to unite the world around solutions to the climate crisis--the solutions that science and justice demand.
If an international grassroots movement holds our leaders accountable to the latest climate science, we can start the global transformation we so desperately need. To learn more visit: 350.org
