light pollution

Satellite image of Northern Europe at night.

Earth at Night

Caitlin Dempsey

Nighttime lighting is when the effect of humans on the environment is especially pronounced.

Composite image of Europe at night, 2016. Credits: NASA Earth Observatory images by Joshua Stevens, using Suomi NPP VIIRS data from Miguel Román, NASA's Goddard Space Flight Center

Germany Plans to Curb Light Pollution to Save Insects

Katarina Samurović

In the latest bid to reverse the dramatic insect decline, Germany is planning on dimming its lights.

Map showing the location of Niue. Map: Equal Earth Wall Map, public domain.

Niue Designated the First Dark Sky Nation

Elizabeth Borneman

The Pacific island nation of Niue has made history as the first designated dark sky nation on Earth.

European Perch (Perca fluviatilis) from British fresh water fishes, 1879, public domain.

Urban Fish Get Less Sleep

Caitlin Dempsey

Researchers looked at the effect of different nighttime light levels on the production of melatonin in European perch.

A map showing night light pollution.

Interactive Map of How Nighttime Light Pollution Has Changed Around the World

Caitlin Dempsey

The Radiance Light Trends website offers an interactive map where users can see how night light pollution has changed between 1992 to the present.

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