chlorofluorocarbons

‘Ozone Friendly’ Chemicals Are Polluting the Environment

‘Ozone Friendly’ Chemicals Are Polluting the Environment

The Montreal Protocol of 1987 committed nations around the world to stop using the chlorofluorocarbons (CFC) that created a hole in the ozone layer. While it stands as one of the most effective environmental commitments the globe has seen, new research shows the side effects have been costly as chemicals dangerous to human health build […]

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    This Year’s Ozone Hole Is the Smallest It’s Been Since 1988

    This Year’s Ozone Hole Is the Smallest It’s Been Since 1988

    The hole in Earth’s ozone layer is the smallest it’s been since 1988, NASA satellite estimates observed. While the ozone hole is still enormous—measuring about 19.6 million square kilometers (7.6 million square miles, or 2.5 times the size of the U.S.) at its annual peak extent this Sept. 11—that’s much smaller compared to the average […]