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Thu 01 Jan 2008Light at the end of the tunnel for
star-watchers
More efficient public lighting could save energy, cut carbon emissions - and help astronomers, writes Dick Ahlstrom.
What pollutes our skies, wastes natural resources, threatens bird and animal life and robs us of access to a beautiful amenity? Not coal smoke, not vehicle exhaust or discharges from chimneys. The culprit is light.
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