You spend 2 percent of driving time at traffic lights, but inhale 25 percent of your air pollution there.

February 20, 2015

The Department of the Interior says there’s a 75 percent chance of a major oil spill in the Arctic—and it’s willing to take that chance.

February 19, 2015

Oil trains keep jumping the tracks, setting towns ablaze, and contaminating water supplies. Here’s why.

February 17, 2015

A new study shows that the current California drought is nothing compared to what’s coming.

February 13, 2015

The president wants to end fossil fuel subsidies—again. It must be Groundhog Day.

February 09, 2015

Heat waves are becoming more frequent and deadly (suddenly winter seems a lot less threatening).

February 09, 2015

Literally. Because of climate change.

February 04, 2015

A new study says the mercury levels in tuna are high—and getting even higher.

February 03, 2015

There’s some guesswork in climate modeling, and a new study proves that’s OK.

January 30, 2015

Legislators are addicted to taking property through eminent domain. Keystone XL is no exception.

January 29, 2015