Arun Majumdar, the head of ARPA-E, the energy equivalent of DARPA, is stepping down next month.

Today, Tim DeChristopher is appealing his conviction for disrupting a federal drilling auction.

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Europeans installed more solar power than any other kind of power last year.

Slate readers ranked increased energy R&D for dealing with climate change eighth on a list of global priorities, after reinventing the toilet and taxing tobacco. (You can thank climate crazy Bjorn Lomberg for this “experiment.”)

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The Wildlife Conservation Society videotaped Cross River gorillas, the world’s rarest gorillas.