What is a ‘sky river,’ and why is Miss Piggy flying in it?

Scientists recently flew through the thick of the wet and wild Pineapple Express on an airplane called Miss Piggy. Top that, Kermie.

Oil trains are blowing up all over the place

Two tanker trains full of crude oil have derailed and burst into flames recently, one in West Virginia and one in Ontario.

Watch out, Arctic: Shell is coming for you again

The Interior Department is clearing the way for Shell to try drilling again off the Alaska coast, a treacherous undertaking on so many levels.

Who needs Keystone when you could build a tar-sands pipeline through Alaska?

The oil industry and its political lackeys are cooking up a new scheme to get Alberta's oil to coastal ports.

We need to talk about your old basement TV

By collecting old electronics instead of replacing them, we're making the energy efficiency of new devices kind of meaningless.

The road to Paris

What you should know about this week’s U.N. climate talks

There’s another climate confab happening right now in Geneva. Maybe you have some questions about it. Good, because we have some answers.

Now BP and Shell will consider the cost of climate change when doing business

Both oil giants have agreed to support shareholder resolutions that will make them take global warming a little more seriously.

Pot industry’s homegrown credit union squares off against the fed

In Colorado, marijuana industry entrepreneurs are eager to open their own credit union -- but federal regulations are a total buzzkill.

These 3D-printed bricks could replace your AC — except you, Florida

3D-printed bricks that act like air conditioners -- cool new technology for the win!