350.org 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.

Saturday, September 26, 2009: 350 at the Dune Climb Support for Action on Global Climate Change at the Sleeping Bear Dunes

Bill McKibben was in Traverse City in September, 2008 and addressed 750 people at Lars Hocksted Auditorium. His visit was sponsored by the Michigan Land Use Institute.
Have a listen to Bill.

McKibben Video

Watch the 350 Animation from 350.org