Volvo Group's future in garbage(2:14)3:56pm

The truck maker is building a next-generation hybrid garbage truck to scour cities for rubbish.

Bridges made of plastic(2:41)Dec 2

Converting plastic bottles into raw building materials could take a lot of waste out of landfills.

Keep waiting for greener cars(1:26)Nov 25

Only 4% of automobiles may meet 2010 fuel efficiency standards; it will take 2-5 more years for real improvement.

Engineering climate change(2:31)Nov 23

If current solutions do not work, scientists have come up with more extreme ways to combat global warming.

Beauty products' slick ingredient(2:22)Nov 19

Oil-derived materials are found in many personal care products such as lotion, lipstick and sunblock.

Obama's 'secret' climate bill()Nov 11

The EPA is drafting its own climate bill for the administration - one it has the authority to enact without Congress.

$1,500 gold(4:59)Nov 9

As the dollar weakens, some predict the precious metal could reach $1,500 on strong international demand.

Regulation: A delicate balance(5:54)Nov 6

Senator Kirsten Gillibrand, D-N.Y., says we need to regulate carbon emissions, but cautions against too much.

From Lehman to green training(2:12)Nov 5

A former Lehman employee reinvented his career - helping others to get their green energy certificate.

Oil is self regulating(2:29)Nov 3

NYMEX traders do not see the need for regulatory reform of the oil market.