Living on Earth: January 20, 2012

Keystone Pipeline Rejected, For Now / The Explosive Growth of Natural Gas Networks / Bare Shoulders: Herbicide Along the Highway / Hybrids: The Cars Of The Future That Nobody's Buying / Cellulosic Fuel Update / Oh Narwhal, Where Art Thou? / China in the Arctic? / The Many Meanings of Cold / Earth Ear - Into India Learn more about your ad choices. Visit megaphone.fm/adchoices