On Earth Day people will be marching to protect the truth, protect science and protect our planet.

Trump wants to demolish a federal agency that has played a crucial role in American history.

College students demand that universities divest fossil fuel holdings to help save the planet.

A new generation turns an ancient idea into a crusade to save the future.

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

Biologist Rachel Carson didn't want to write the blockbuster Silent Spring but felt a responsibility to do so.

Bill McKibben narrates a short documentary looking at the determined, beautiful and vital role honey bees play in preserving life.

Only weeks after his release from prison, activist Tim DeChristopher talks about the necessity of civil disobedience in the fight for environmental justice.