Expert Voices: Natural Resources Defense Council

Is it time to limit carbon pollution?

Can cutting carbon cut costs?

Does the Keystone XL pipeline have environmental impacts beyond the risk of spills?

Idle electronics, the energy vampires in nearly every U.S. home, aren't going away — but you can take steps to pull the plug, and save some money.

Taken together, monitors and personal computers draw electricity equivalent to the energy from three dozen power plants — but that energy sink may soon get plugged.

In most situations, lethal control makes little sense — financial or otherwise.

The deep ocean is home to some truly unusual creatures.

That yellow label on your air conditioner is part of a successful, decades-long effort to trim U.S. energy consumption.

Fossil fuel shares are no longer the "safe bet" they once were.