Now the agency can start to regulate some 64,000 chemicals that are already in use.
The extreme heatwave in the Southwest is just the beginning.
Yet another reason that coal dust is not your friend.
Facts are hard.
Three generating stations have been approved to burn diesel as power demand spikes this summer.
A reader getting ready to live abroad wonders how to find potable water. Advice maven Umbra Fisk says the power is in his hands.
The "door to the underworld" is what happens when permafrost in Siberia thaws dramatically.
What’s the Grand Old Party got against the Grand Canyon?
LED streetlights sound like a great idea. But there's a hitch.