Earth’s Cleanest Place

A team of researchers from Colorado State University say they have found an area of the world were the atmosphere is pristine and free of pollution.

In the air just above the surface of the Southern Ocean south of 40 degrees south latitude, they found no evidence of particles, or aerosols, produced by human activities and transported around the planet in weather patterns.

What microbes they did find were determined through DNA analysis to have been tossed up by the seething ocean, meaning that pollution and soil particles caused by land use far away were not traveling south into the air around Antarctica.

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