The main opportunities to reduce CO2 emissions and save money can be seen in the pie chart from the Union of Concerned Scientists, showing the fractions of CO2 coming from different functions of a typical household.
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If you have old fashioned incandescent bulbs, lighting is probably your biggest use of electricity. LED bulbs use about 1/8th the power, and the cost has come down and technology improved so much that swapping out your old bulbs for new bulbs pays for itself quickly without the flicker, hum, or toxic mercury of CFL bulbs.
The food you eat has a big impact on your health, on the environment, and on water use. Adjusting one's diet away from red meat and towards vegetables, legumes and grains can improve human and environmental health while saving money. Learn how to make easy and delicious meals for your family and share your favorites on the blog!