Climate Change

Why stars wore green ribbons at the Emmys

Are we ready for 'gray swan' storms?

David Letterman to tackle climate change on 'Years of Living Dangerously'

Prophetic horsemen sculptures emerge from the River Thames

Artists unite to record a 'Love Song to the Earth'

Heartwarming 'Chloe and Theo' stands tall on humanitarian, environmental themes

Obama, Bear Grylls to swap survival tips in Alaska

Health care and climate change go hand in hand

What if our pain is a penguin's gain?

What is the U.S. Clean Power Plan?

3 reasons not to expect a 'mini ice age' in 2030

10 challenges created by a population boom

Freaks of Nature

Stories You Won't Believe