Renewable power is cheaper and safer, military leaders say.

Sustainable seating out of Southeast Asia.

The switch to efficient lighting will have a significant impact on emissions – and climate change.

World's fastest hybrid picks up fares in Rome.

On Earth Day 's 40th anniversary, John Kerry warns that climate change is the environment's biggest hurdle yet.

Stunning images of Iceland's Eyjafjallajokull volcano.

Photographer continues his decade-long documentation of our dependence on oil.

Exploring the connections between the environment and the human psyche.