Amidst a spate of fiery accidents involving trains hauling crude oil, the Obama administration has released woefully weak standards that leave dangerous trains on the tracks for far too long.

Earthjustice's Keith Rushing describes his first visit to the emergency room with his daughter who suffers from asthma.

On World Asthma Day, a nurse shares her experiences while calling for stronger ozone protection.

When the U.S. assumes the chair of the Arctic Council this Friday, it will have an extraordinary opportunity to lead on reducing emissions of black carbon and methane.