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Study finds unprecedented Arctic ozone loss

( -- A NASA-led study has documented an unprecedented depletion of Earth's protective ozone layer above the Arctic last winter and spring caused by an unusually prolonged period of extremely low temperatures in ...

dateOct 02, 2011 in Earth Sciences
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Whither the ozone hole?

To mark the annual International Day for the Preservation of the Ozone Layer (Ozone Day), Dr Neil Harris, an expert on the atmospheric composition from the University’s Department of Chemistry, discusses why research ...

dateSep 16, 2011 in Earth Sciences
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How the N2O greenhouse gas is decomposed

Nitrous oxide (N2O) is a harmful climate gas. Its effect as a greenhouse gas is 300 times stronger than that of carbon dioxide. Nitrous oxide destroys the ozone layer. In industrial agriculture, it is generated on excessively ...

dateAug 22, 2011 in Environment
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