Science
Microplastics May Be Cooling—and Heating—Earth’s Climate – WIRED
Tiny bits of plastic are swirling in the sky, and a new model suggests they could be subtly affecting the climate.

Like the ash spewed from a supervolcano, microplastics have infested the atmosphere and encircled the globe. These are bits of plastic less than 5 millimeters long, and they come in two main varieties. Fragments spawn from disintegrating bags and bottles…
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