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Mysterious Sources of Light Pollution

posted by Jason Kottke   Mar 06, 2020

If you look at online light pollution maps, most light pollution comes from cities, but Alex Altair noticed that there are some unexpected sources of light out there as well. For instance, this sprawling site in North Dakota is one of the brightest places in the country despite what Altair calls “an intense lack of urbanization”.

Light pollution in North Dakota

The light in that area is from oil drilling & extraction in the area.

The light pollution comes from the associated gas flares. These flares are deliberate, continuously burning fires, and they convert methane, a potent greenhouse gas, into CO2, a much less potent greenhouse gas.

Intense heat also accounts for an odd light source in Hawaii — you can probably guess, but you’ll have to click through to confirm.

See also Lost in Light: How Light Pollution Obscures Our View of the Night Sky.