White sky at night not a city bird’s delight

b55fc63c-064e-4273-824d-54acf5c7964c-1020x612Mounting evidence that artificial light, and newer white light street lighting in particular, is causing measurable harm to wildlife. “This study, the first of its kind, shows that light pollution increases stress hormone concentrations in free-living songbirds. It also suggests that different light spectra may affect physiology differently, thus, using different spectra for street lights may potentially reduce the disturbances caused by light pollution to free-living wildlife.” Read more at http://www.theguardian.com/science/grrlscientist/2015/aug/26/urban-songbirds-stress-hormones-light-pollution

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