Cool Friend #122: Fred Krupp

Fred Krupp is the president of Environmental Defense Fund, and together with Miriam Horn, he has just released an optimistic book about how we can reduce global warming. Earth: The Sequel—The Race to Reinvent Energy and Stop Global Warming is a field guide to innovation in the alternative energy industry. According to Krupp, the U.S. government can unleash a tidal wave of new innovations into the marketplace by passing a cap and trade law. Not familiar with cap and trade? Get up to speed by reading the Cool Friends interview.