Beautiful nature photos feature people in lieu of animals.

Green cycles blend nature and tech.

Step up your cloud identification game.

Tata and MIT join forces on revolutionary new energy tech.

Silicon Valley lays a bet on extreme weather insurance for farmers.

Climate change takes its toll on coffee yields in Latin America.

Scientists say state's water future is "bleak."

Derek Diedricksen's salvaged material micro-shelters have mega-charm.

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

Computer-generated fantasy worlds "recycled" from famous artworks.