New research suggests that the footprint of natural gas development is worse than coal.

Every blowout preventer may have the same problem. Gulp.

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

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.

Canadian project converts waste to clean energy.

EPA tightens regs on drinking water toxicity.