350.org: Because the world needs to know

350 is the most important number in the world. This number is the safe line for our global climate and a start line for a global movement. Join 350.org to take action in your community, engage our world’s leaders, and build an international movement to solve the climate crisis.

Ocean Acidification in a Nutshell

GreenpeaceVideo  —  May 12, 2010  — Our emissions of carbon dioxide  threaten to alter the very chemistry of sea water and change life in our  oceans within the span of a single human lifetime. An animation by Leo Murray for Greenpeace.