James Lovelock: The Vanishing Face of Gaia: A Final Warning (6/17/09)

The originator of the Gaia Hypothesis (now considered by his supporters to be the Gaia Theory), Lovelock argues that the Earth is lurching closer to a permanent “hot state”—and the final move, when it comes, could be faster than most specialists think.

To survive, he says, mankind must start preparing for life on a radically changed planet.