1) Annie Spiegelman, the author of Talking Dirt: The Dirt Diva's Down-to-Earth Guide to Organic Gardening;
2) Linda Lear, author of the biography Rachel Carson: Witness for Nature, talks with us about Rachel Carson's work, the upcoming 50th anniversary of the publication of Silent Spring, and Carson's role as an iconic figure of the environmental movement.
http://sierraclub.typepad.com/sierra_club_radio/2011/...
