about the cover... | |
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TOP: The "good" ozone layer in the stratosphere protects life on Earth from the Sun's harmful ultraviolet (UV) rays. | |
MIDDLE: Antarctic Ozone Thinning-shown in blue and purple, extended out over 16 million square miles or about the same size as North America (2001 NASA satellite image). | |
BOTTOM: "Bad" ozone at ground-level is harmful to breathe and damages crops, trees, and other vegetation. |
United
States Environmental Protection Agency |
Office
of Air and Radiation MC6101A 1200 Pennsylvania Avenue, NW Washington, DC 20460 |
EPA-451/K-03-001 June 2003 |