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Campus plant operations crews replaced 150 50-watt halogen light bulbs in Buttrick Hall with 6-watt light-emitting diode (LED) bulbs. The new LED lights will save 57,000 kilowatt-hours per year and avoid producing approximately 34 metric tons of greenhouse gas emissions annually. The College of Arts and Science supported and funded the changeover, as well as a lighting retrofit of the Stevenson Center Math Building perimeter. Workers replaced approximately 70 incandescent bulbs there with LED bulbs, which last a minimum of five years. They are in the process of doing the same to the perimeter lighting in the Stevenson Science and Engineering Library courtyard and upgrading the pole lights on campus to LED bulbs.
photo credit: Steve Green
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