5. Install Compact Fluorescents
Electricity production is the largest source of greenhouse gas emissions in the U.S., and lighting accounts for about 25 percent of American electricity consumption. Standard incandescent lights are notoriously inefficient and easily available alternatives can save you money, energy, and pollution.
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Check your local home-supply store for low-mercury compact fluorescent lightbulbs that fit your various light fixtures (they now come in all shapes and sizes, including ones that look exactly like incandescents).
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By replacing four standard bulbs with CFLs, you can prevent the emission of 5000 pounds of carbon dioxide and reduce your electricity bill by more than $100 over the lives of those bulbs. If only 1,000 of us each replace four standard bulbs with CFLs, we can prevent the emission of five million pounds of carbon dioxide and reduce our electricity bills by more than $100,000 over the lives of those bulbs.
