We talk with Bill McKibben, one of the nation's leading environmentalists about his new book "EAARTH: Making Life on a Tough New Planet," and his 350.org effort to plan a global work party on 10-10-10. Then, we'll talk with organizers of 10-10-10 events in Iowa. Guests include Jonathan Durst, an Iowa City student organizer, Stephen Lauer, Susan Temere and Hillary Williams who are organizing events in Des Moines and an Ames organizer.