Arctic methane is a big variable in climate predictions. Observed Arctic methane emission keep getting worse.

Obama opening the door to selling even more oil overseas? Yep.

Paulson wants a carbon tax. Phoenix wants water. Both are Republican. Will this move the needle on climate change?

Obama has sold leases for 2 billion tons of coal, and is considering selling 10 billion more. Emissions, anyone?

Carbon taxes work, much better than cap-and-trade, for reducing carbon emissions. Here’s why.

The more people look at the EPA’s 645-page proposal, the worse it looks. Coal and methane appear to be winners.

Exxon thinks all of their carbon reserves will be sold. Obama is selling them more carbon reserves. Do the math.

Where does Obama’s cap-and-trade emissions program fall short? For one, it allows polluters to create new permits.

Will Obama’s EPA put teeth into its coal emissions requirements? We look at what that would require.

is Hillary Clinton really inevitable? If so, can she win? Seven reasons to give the latter a second thought.