Sierra Club Radio 1-20-2007

This week on Sierra Club Radio: This week on Sierra Club Radio: 1) Kristi Chester Vance tells us about Victoria's Dirty Secret: What does underwear have to do with trees? 2) Sierra Club Executive Director Carl Pope on the need to repeal oil subsidies 3) Is your Nalgene toxic? Jennifer Hattam gives tips for safe drinking water. 4) David Bookbinder on the Supreme Court's pending case on global warming 5) Ask Mr. Green 6) Jason Mark on Alemany Farm, San Francisco's only urban organic farm.