Gorgeous photos of people, places and vegetation in the Pacific Northwest

Scientists weigh in on the hurricane-supersizing effects of global warming

Photographers capture leaf color gradients in all their autumnal beauty

South African photographer documents fires in Johannesburg parks

Solar and wind accounted for all of our new electricity last month

Digitally manipulated photos deal with the limits of human experience

So why are we treating it so badly?

Contrary to popular belief, the future looks bright for America's growing green economy

Why California's Proposition 37 should matter to anyone who cares about food

Nordic country aims to phase out coal use in energy production by 2025