(AP) -- Cool your home, warm the planet. When more than two dozen countries undertook in 1989 to fix the ozone hole over Antarctica, they began replacing chloroflourocarbons in refrigerators, air conditioners and hair spray. But they had little idea that using other gases that contain chlorine or fluorine instead also would contribute greatly to global warming.
Content from The Associated Press expires 15 days after original publication date. For more information about The Associated Press, please visit www.ap.org .
Explore further: Oil from Russian trawler wreck reaches Canaries' beaches