Nearly one million species could disappear due to human activity. Pulitzer Prize-winning author, Elizabeth Kolbert helps us understand what we'll lose.
Forty years ago, we almost stopped climate change. What happened? And more importantly, where does that leave us now? Author Nathaniel Rich has some answers.
Methane is a potent greenhouse gas. Environmentalists say proposed state rules are too lenient, industry says they're too costly. But they might bring new technology and jobs to the state.
