Estelle Hayes argues in favor of a green movement for the human body in the Huffington Post.

Is concentrated solar power the future of renewable energy? A Guardian video shines a light on the world's first commercial solar tower.

Eco-cafe in Sydney vies for the title.

NYC looks to the renewable energy potential of sewage treatment.

Canadian project converts waste to clean energy.

Future ecotopia or vision of tragedy? Installation brings climate change into focus.

Photos by Alexander Gronsky.

Strictly irie winter eats.

Stephen Mallon chronicles the repurposing of NYC subway cars.

EPA tightens regs on drinking water toxicity.