We do it about 215 million times a day, so humans need to stop shying away from discussing  sex ? and the babies it makes ? to help avert the global climate crisis, environmentalist and author Robert Engelman says.

Basketball star LeBron James has paired up with Nickelodeon, the home of SpongeBob and his ocean-dwelling cartoon chums, to raise awareness about the environment.

A caravan passed through Virginia Tuesday in the final stretch of the Longest Walk 2, an 8,300-mile trek to draw attention to environmental devastation on American Indians and all people.

A new climate model estimates that by 2100 high temperatures for once-in-a-generation heat waves will rise twice as fast as everyday average temperatures.

15 dolphins that took up residence in a river near the Jersey Shore will be allowed to stay there through the July 4th weekend, even though a nearby fireworks display draws heavy boat traffic.