News

Why your next refrigerator may have a radical (but invisible) makeover

The U.S. Environmental Protection Agency (EPA) is moving to eliminate a class of chemicals widely used as coolants in refrigerators, air conditioners, and heat pumps.

If that feels like déjà vu, it should.

These chemicals, called hydrofluorocarbons, or HFCs, were commercialized in the 1990s as a replacement for earlier refrigerants that were based on chlorofluorocarbons, or CFCs. CFCs were destroying the ozone layer high in the Earth’s atmosphere, which is essential for protecting life from the sun’s harmful ultraviolet radiation.

HFCs are much less harmful than CFCs, but they create another problem—they have a strong heat-trapping effect that is contributing to global warming.

MORE

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out /  Change )

Google photo

You are commenting using your Google account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

Connecting to %s