Ursula King, Andrew Revkin, and David Sloan Wilson — Teilhard de Chardin's Planetary Mind and Our Spiritual Evolution

The coming stage of evolution, Teilhard de Chardin said, won't be driven by physical adaptation but by human consciousness, creativity, and spirit. We visit with his biographer Ursula King, and we experience his ideas energizing New York Times Dot Earth blogger Andrew Revkin and evolutionary biologist David Sloan Wilson.