What would it mean if we were to walk in his footsteps?

James Hansen bravely told the truth even when the Bush administration tried to silence and penalize him.

Applying neuroscience to the study of literature is fashionable. But is it the best way to read a novel?

Our twenty-first-century, American-dictated, unipolar moment is a planetary time bomb.

Repression after 9/11 is nothing compared to what's come before, and our tools to fight it are greater.

Some of big green's most powerful players still invest in energy companies.

Farming communities are being turned into huge, open-air laboratories by energy companies—with ordinary people serving as guinea pigs.

Some mainstream environmental organizations are trying to wean themselves from fossil fuel investments—but some aren’t.

How Americans unwittingly entered—and become exposed to biohazards in—the greatest uncontrolled experiment ever launched.

In the coming decades, two converging nightmares are likely to produce a tidal wave of unrest, rebellion, competition and conflict.