Earth Day 2010

Environmentalists from 1970 and 2010 compare notes.

Earth Day 2010 campaign director Nate Byer  and Earth Day 1970 organizer and chair of Earth Day 2010 Denis Hayes  compare the first Earth Day with today’s celebration. Plus, Andrew Revkin , author and New York Times writer for the Dot Earth blog, continues his weekly April visits to talk about environmental issues.

Andrew Revkin will be appearing on April 29th at “What Can We Do?”, a major transatlantic conversation about the latest on global warming, the Copenhagen climate talks, and policy options for the future.  Click here for more information, and tickets to the event.

Questions of the Day: What have been environmentalism's greatest accomplishments? And how has environmentalism left you in the cold?