While we're waiting for a national policy on global warming, there are plenty of steps households can take to fight the coming heat. Americans put out an average of 20,000 lbs. of carbon dioxide (CO2) a year. Taking action would make us healthier (by making the atmosphere cleaner) and wealthier (by lowering bills for electricity, heating fuels and gas). Here are some suggestions from Environmental Defense and the World Wildlife Fund.
1. Fill 'Er Up Run your dishwasher only when it's full. Use the energy-saving setting rather than the hotter mode to dry the dishes.
Average annual CO2 reduction: 200...