There's a new twist in the "peak oil" debate. Is it good news for the climate?

Officials at TransCanada insist that their proposed Keystone XL pipeline is environmentally safe. Current events suggest otherwise.

The ethanol mandate in gasoline is starting to sting.

There’s a whole lot of methane in them thar seafloor. But is it good as gold or fool's gold?

President Obama will soon have to decide whether he will be the “all of the above” president or the “respond to climate change” president.

History suggests he’s wrong.

I've just arrived in Moscow for a meeting — the subject will be soot.

A lack of wind won’t stall our future renewable energy economy, but Congress might.

How do Obama’s words on energy compare to Team Romney’s?

Oil, gas, coal, nuclear, wind, solar, efficiency. Which are the Republican hopefuls’ priorities? This week, it’s convention time for the [...]