Far-Out Green Gadgets

Al Gore has probably convinced just about everyone of the need to get off their eco-keisters and think about what they're doing to the planet. Many devices are billed as helping to reduce the user's carbon footprint and, of course, most of these items are available on the Internet. Some are undeniably strange but others represent well-considered concepts for pushing the environmental envelope. Here's a sampling of both kinds of Green Gadgets. --Kajsa Linnarsson