Coke, Pepsi, Ben & Jerry's and GE are phasing out the use of ozone-depleting refrigerants, turning instead to carbon dioxide and hydrocarbons.

Making the most responsible food choices sometimes isn't as simple as going organic or buying from the farm up the road.

Clean-energy investments have dried up during the recession, threatening the former oilman's plans for a wind-powered renaissance. But he isn't giving up yet.

Two bills designed to stop outbreaks of food-borne illnesses could mean big trouble for small farms.