The switch to efficient lighting will have a significant impact on emissions – and climate change.

But do the functional benefits meet the aesthetic aims?

Zero emissions? That depends on where you get the electricity to charge your car.

Actress Sigourney Weaver calls for action on ocean acidification.

Canadian environmentalist David Suzuki offers his take on the greenness of the games.

Smart, well-designed dinner ware reminds us to eat local.

U2 singer hums the polluter-pays tune in New York Times op-ed piece.