Unlayering of the Ozone: An Earth Sans Sunscreen
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Antartida Unlayering of the Ozone: An Earth Sans Sunscreen Autor Administrator miércoles, 09 de diciembre de 2009 Modificado el jueves, 07 de enero de 2010 Unlayering of the Ozone: An Earth Sans Sunscreen UN Chronicle - New York, NY, USA. ...Chlorofluorocarbons and allied substances are very stable, so their atmospheric concentration drops very slowly and will not reduce to pre-ozone hole values until at least 2070. It is likely to be several more years before we can be confident that the ozone hole is shrinking and many decades before spring-time ozone levels return to those of the early 1970s... http://www.oracle-o3.aemet.es Potenciado por Joomla! Generado: 18 November, 2016, 05:46
