D4K: Green Energy
Special | 28m 48s | Video has closed captioning.
Green energy is a way of generating power in an earth-friendly way. Scientists study green energy as a way to deal with global warming. Finding ways to conserve energy is also a part of the Green Energy movement. D4K host Joan Cartan-Hansen and her guest scientists, Jon Van Gerpen, and Robert Neilson, answer students’ questions about green energy.
Aired: 11/20/07
