Environmental statutory processes do not prohibit harm: they permit it. But an ancient legal principle may provide solutions.

The signs of a changing climate are all around us. But for some US policymakers, money speaks louder than facts.

In her new book, Klein argues that the climate crisis represents an opportunity to create a new economic model that advances the greater good.

More than 1,000 groups are coordinating the upcoming People's Climate March on Sunday, Sept 21 in Manhattan. But what do they want?

The left has always favored Thomas Jefferson over Alexander Hamilton -- but not only was Hamilton more progressive for his time, he has lessons for our response to climate change.

Watch the entire first episode of the Emmy Award-winning Showtime documentary series with Don Cheadle, Thomas Friedman and Katharine Hayhoe.

On Sunday, September 21st, a march to bring attention to the climate change crisis will kick off a week of climate events in New York City. Here’s what you need to know.

Christian and climate scientist Katharine Hayhoe talks to Bill about ending the gridlock between politics, science and faith.

1.2% of the GDP. That's all it would take to green the economy.

Christian and climate scientist Katharine Hayhoe talks to Bill about ending the gridlock between politics, science and faith. Watch the preview.