Assignment Earth: Worm grunting
April 28, 2009, 10:21 a.m.
Video: Assignment Earth travels to Florida's Apalachicola National Forest to discover how a traditional method of luring earthworms from the ground has a solid basis in science.
Assignment Earth: National Landscape Conservation System
March 27, 2009, 6:12 p.m. by Emily Murphy
Assignment Earth's Bruce Burkhardt explains the most significant land conservation measure in a generation.