Summary: This week on Sierra Club Radio: Alan Weisman on his new book, Countdown: Our Last, Best Hope for a Future on Earth? Chris Steinkamp from Protect Our Winters on how Olympic athletes are taking a stand against climate change
Summary: This week on Sierra Club Radio: Alan Weisman on his new book, Countdown: Our Last, Best Hope for a Future on Earth? Chris Steinkamp from Protect Our Winters on how Olympic athletes are taking a stand against climate change