Nature: Leave It To Beavers - Nature: Leave It To Beavers - DVD

Scientists and environmentalists have come to discover that beavers can transform and revive landscapes and also counter the effects of global warming just by using their natural abilities to build and serving as hydro-engineers. This documentary segment from the Nature series looks closely at the amazing world of beavers. 2014/color/60 min/NR/widescreen.