Sustainability

World is at its warmest since records began, NASA warns

Electric vehicle offers powerful acceleration

CO2 'burp' may have ended last ice age

Greenpeace slams Nintendo over poor environmental record

America's top scientists call for carbon trading system

Greenland rises as ice cap melts

Climate change was major cause of mass mammal extinction

Last month was warmest April on record

MIT presents new airplane designs to NASA

Gates geoengineering plan gets environmentalists up in arms