The Colorado River's flow has been lighter than expected in recent years, and rising temperatures are the likely culprit.
California plants are struggling to keep up with warmer temperatures.
Cyclical changes in the Pacific Ocean have thrown Earth’s surface into what may be an unprecedented warming trend, following a 15-year global warming slowdown.
With a new approach to climate negotiations, we just might be onto something.
Cranking up the planetary heat is going to ratchet down the planet’s biodiversity.
The EPA is still refusing to ban these dangerous insecticides, but a U.S. Fish and Wildlife official is phasing them out in some wildlife refuges.
Hot, dry weather is triggering wildfires that are eating up forests in the Northwest Territories in Canada, and in the U.S. West too.
Australia is now the first country in the world to undo a price on greenhouse gas pollution, thanks to its climate-denying prime minister.
Experiments by Google, Environmental Defense Fund, and university scientists reveal the huge amounts of methane that leak from pipelines beneath some cities.