Senator Edward Kennedy has died at the age of 77. In addition to being the last remaining brother in an incredibly influential American political dynasty, he was one of theenvironment's staunchest defenders in Washington. May he rest in peace.

The German ministry has proposed creation of an independent power grid. Pro-consumer and pro-renewables groups like the idea. Big utilities, not so much.

London Mayor Boris Johnson would like to see the creation of a "hydrogen highway", which would conceivably include thousands of hydrogen filling stations.

Solar panel prices have fallen about 40 percent since last year.

There's a new online database for identifying mammals which may face extinction. The database allows users to manipulate parameters to create variable hypotheses.

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