Change your light bulbs to LEDs or (less preferred) CFLs; you will save money on your electricity bill and reduce CO2 emissions that cause climate change.
See also:
Photo credits: http://dartmouthengineer.com/wp-content/uploads/2008/08/light-bulb-hrez.jpg
Do you have an experience you want to share?
Do you have an experience you want to share?
Challenge of the season:
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