To environmentalists, clean coal is an insulting oxymoron. But because coal so dominates the world economy, any meaningful effort to arrest climate change will require using dirty coal in more-sustainable ways. Quiet collaboration between American and Chinese businesses and scientists is pointing the way.
The physicist Freeman Dyson has reshaped thinking in fields from math to astrophysics to medicine. Yet he is also one of the world's foremost global-warming skeptics. How could someone as smart as Dyson be so wrong about the environment? A cautionary tale about science and faith.