01030cam a2200301 4500 606400444 TxAuBib 20151006120000.0 060104s2007||||||||||||||||||||||||eng|u 2006000163 9781404207431 lib. bdg. 1404207430 lib. bdg. (OCoLC)62805007 DLC DLC DLC TxAuBib Martins, John. Ultraviolet danger : holes in the ozone layer / by John Martins. 1st ed. New York : Rosen Pub. Group, 2007. p. cm. Extreme environmental threats Includes bibliographical references and index. The building blocks of life -- Discovery of the ozone layer -- Ozone depletion -- The ozone solution. 20110915. Ozone layer depletion. Atmospheric ozone Reduction. Extreme environmental threats. TXNAV