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NASA Study Shows That Common Coolants Contribute to Ozone Depletion

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Posted October 23, 2015

A class of widely used chemical coolants known as hydrofluorocarbons (HFC) contributes to ozone depletion by a small but measurable amount, countering a decades-old assumption, according to a new NASA study.

The paper, published Oct. 22 in Geophysical Research Letters, a journal of the American Geophysical Union, is based on the results of a NASA-derived atmospheric chemistry climate model that projected the impacts of HFC gases on the atmosphere by the year 2050.

This narrated video provides an overview of the study findings and features NASA scientist Margaret Hurwitz.
Credits: NASA’s Goddard Space Flight Center

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