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Ozone

UN Agency Recommends Stopgap for Climate Change

Written by , on February 23, 2011

A new report by the United Nations Environment Program and the World Meteorological Organization, proposes a climate-change stopgap: by controlling two noxious ground-level pollutants, black carbon (or soot) and ozone. Reducing levels of these substances would slow the rate of climate change in the first half of the 21st century while carbon dioxide levels are […]  Read more »

Out of the Atmospheric Frying Pan into the Fire?

Written by , on November 7, 2009

Closing the hole in the ozone is seen as the world’s greatest environmantal restoration achievement but there’s a hitch … Under the Montreal Protocol, chloroflurocarbons (CFCs) were phased out and replaced with the less damaging hydrochlorofluorocarbons (HCFCs) as an interim measure. HCFCs have now become the standard working coolant in refrigerators, air conditioners and aerosol […]  Read more »