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Keeping cool without killing the planet

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Posted June 19, 2015

We’ve had the delightful benefits of air conditioning and refrigeration for more than a hundred years now. In the early days, dangerous chemicals were used as refrigerants.

Ozone hole. Image source: YouTube video screenshot.

Ozone hole. Image source: YouTube video screenshot.

Eventually, chlorofluorocarbons (CFCs) were developed. Decades later, scientists figured out CFCs were destroying the ozone layer. So how are chemists helping us keep cool without killing the planet? Sophia Cai explains in this episode of Speaking of Chemistry.

Source: ACS

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