Tipping Point

The worthy foe is not environmental regulations nor the the government or public demanding fracking moratoriums and bans. It is the falling global price of oil. Two radio reports explore how the global glut of oil affects U.S. shale oil production.
Oct 16, 2014   NPR
A new paper by a group of international scientists warns that the planet may be at the tipping point of causing a rapid irreversible transition to a "state unknown in human experience," reports Bettina Boxall
Jun 9, 2012   Los Angeles Times