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Dec 23, 2014, 11:29 am44 ptsThe city of Madrid has announced plans to renew its entire street lighting system with 225,000 new energy-efficient Enlarge New energy-efficient street lighting in Madrid, Spain. bulbs, the world’s largest street-lighting upgrade to date. The new lights, which will afford the city a 44-percent reduction in…
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Leaf through planet Earths environmental headlines in one convenient place. Read, share and discover the latest on ecology, science and green living from the web's most popular sites.