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

A sticky and cozy Christmastime treat, from Jennifer Reese

New discovery could double solar electricity output

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

Bill McKibben's LA Times op-ed laments the influence of corporate donations on lawmakers

Terrific travel pics from Bay Area photog

New terminal pushes sustainable airport architecture into the 21st century

Climate Counts releases annual report on corporate climate responsibility