Wildfire goes wild in Arizona

Wildfire goes wild in Arizona
As wildfires torch Western states, what is the role of global warming? Does hotter weather contribute to fires? Does the resulting More »

State of the rivers: Ruinous?

State of the rivers: Ruinous?

Rivers bring water. They house amazing biodiversity. And they are being polluted, tapped, dammed and diverted at a frightening rate. More »

Globe Heating Up

How do current conditions compare to past predictions of the effects of global warming? Are living on a warming planet? More »

Water Woes

Water shortages loom as world population and economy soar. American Southwest, Egypt, Iraq, China. People are getting thirsty pretty More »