Columbia University: Ozone-Depleting Substances Caused Half of Late 20th-Century Arctic Warming, Says Study

NEW YORK, Jan. 21 [TNSenvironmentresearch] -- Columbia University's Lamont-Doherty Earth Observatory issued the following news on Jan. 20:

A scientific paper published in 1985 was the first to report a burgeoning hole in Earth's stratospheric ozone over Antarctica. Scientists determined the cause to be ozone-depleting substances - long-lived artificial halogen compounds. Although the ozone-destroying effects of these substances are now widely understood, there has been little resear . . .

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Nicole deRoberts, 845/365-8729, nicoled@ldeo.columbia.edu