Sierra Club Radio 3-22-2008

This week on Sierra Club Radio: We have a special show in honor of World Water Day, March 22nd. 1) Robert F. Kennedy Jr, one of America's great defenders of clean water, talks with us about his new upcoming film, Grand Canyon Adventure: River at Risk 2) Carl Pope, Sierra Club's Executive Director, shares a political commentary 3) Maude Barlow, author of Blue Covenant, and one of the world's leading activists against water privatization.