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Robie Macdonald of the Canadian Institute of Ocean Sciences points out that when it comes to ocean pollution, most of us have been blind to night-time contamination by light.

The (very short) paper touches on the potential and real effects of light pollution on wildlife, and points out that a comparable (chemical) pollutant would not be tolerated¹. The authors suggest that addressing the problem would bring two-fold benefits to the environment: not only would decreasing light output decrease its directly damaging effects, but would also do wonders for energy conservation.