Energy

Dam goats scale dam rocks in search of salt

How you can visit the Shire ... in Guatemala

The Negawatt is ready for its close-up

British cemetery could be illuminated by energy generated by the deceased

3 'miracle' car concepts that will never happen

Ted Cruz's half-baked position on ethanol

U.S. uses more electricity on Christmas lights than Ethiopia does all year

U.S. Christmas decorations use more energy than many nations do in a year

CO2 emissions stall, even as economy grows

Lamp powered by a single plant can stay lit for hours

The clean energy breakthroughs that Silicon Valley billionaires are betting on

Why the Paris climate talks might actually work

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