Amount of greenhouse gases in atmosphere at record high in 2012: UN weather agency

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Aerial view of Switzerland's fast-decreasing glaciers. UN Photo / Jean-Marc Ferré

The amount of greenhouse gases in the atmosphere reached a new record high in 2012, according to the United Nations weather agency.

The World Meteorological Organization (WMO) in its annual Greenhouse Gas Bulletin says between 1990 and 2012 there was a 32 per cent increase in the warming effect of global climate.

It says this is due to emission of carbon dioxide (CO2) and other heat-trapping gases such as methane and nitrate oxide.

Derrick Mbatha reports.

Duration: 3’53″

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