Sustainability

Half of Earth's trapped heat can't be found

Wind Turbines: “It’s always something"

GE's LED lightbulb lasts 17 years

MIT uses viruses to split water for fuel

Self-powered robotic sub developed

US wind power grid could provide reliable supply

Official 'Climategate' report clears scientists of wrongdoing

Greenpeace tells Dell: clean up your act

Atlantic currents not slowing after all

Monsoon spreads pollution right through the stratosphere