Many scientists believe the ozone layer in the earth’s stratosphere is being depleted due to the use (and release into the atmosphere) of man-made chemicals. The resulting “holes” in the ozone layer allow dangerous levels of ultraviolet radiation to penetrate to the earth’s surface. The degree of severity and the solutions to this situation remain topics of debate.
Ozone layer depletion
CQ Researcher, April 3, 1992.
McGraw-Hill Encyclopedia of Science and Technology, 1992.
The 1994 Information Please Environmental Atlas. World Resources Institute, 1994.
1994 Earth Journal: Environmental Almanac and Resource Directory, Buzzworm Books, 1994.
Today’s Science on File. Facts on File.
EBSCO Magazine Article Summaries
NewsBank and other newspaper indexes
Readers’ Guide to Periodical Literature
SIRS (Social Issues Resources Series)