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UN highlights global warming role of non-CO2 pollutants

Nearly 50% of emissions causing global warming in this century from pollutants such as black carbon, ground-level ozone

08-Sep-09  Faster action on climate change may be possible if governments combine substantial cuts in carbon dioxide emissions with cuts in other greenhouse gases and air pollutants, said Achim Steiner, executive director of the UN Environment Programme. Mr Steiner said the time had come for further urgent scientific assessments to determine the precise contribution and impacts of pollutants such as particulates, or “black carbon”, low-level...