Word: energystar
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...programmable thermostat. It will save you about 1,800 lbs. of CO2 annually. Invest in energy-efficient appliances. (Ones with the EPA?s EnergyStar label are a good bet.) Replacing a 20-year-old refrigerator with a high-efficiency model can lower CO2 emissions by 1 ton per year. A new washing machine that uses less water and less energy can cut emissions...
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