Letting others reduce your environmental impact
One idea for people who want to reduce their “carbon footprint” is to trade their level of energy use with a person or organization that emits smaller amounts of greenhouse gases. This kind of a swap is known as a “carbon offset.” Here are two Web sites offering more information:
provides an overview of the various carbon offset sites available and discusses their reliability
offers you a way to purchase carbon offsets based on either your car miles alone, or you can do it for airline miles
Return to the main September 2007 FUTURE OF ELECTRICITY column that goes along with this supplement.