Global environmental news with Alex Smith. In “best of” Radio Ecoshock interviews, Dr. Tim Garrett says civilization must collapse to avert devastating climate change. We are living in a “heat engine” Garrett says. It must stop if we are to survive – that’s just the physics of it. Then Dr. Peter Ward says Nature may not have friendly plans for us, conflicting with the Gaia Hypothesis advanced by UK scientist James Lovelock. What if “Gaia” doesn’t care? Visit https://www.ecoshock.org for more information. Classic still-true interviews from 2009 and 2010.