The most explosive volcano photos of 2011, courtesy of The Atlantic

A stunning, solar-powered retreat in Colorado's San Luis Valley

A sticky and cozy Christmastime treat, from Jennifer Reese

A selection of the best environment photos of 2011

Every year, 20 million pounds of discarded holiday lights make their way to Shijiao, where they're recycled into slippers and more

Agreements to bail out banks happen in days - but we still don't have a deal to bail out the planet

New terminal pushes sustainable airport architecture into the 21st century

The top shifts in cooking and eating over the past year

Legislative delay means there's time for revisions

'Data furnaces' tap heat-generating computer servers to warm houses