Meanwhile . . .
Greenhouse Gases Hit Record Levels Last Year
Concentrations of carbon dioxide (CO2) and nitrous oxide (N2O) touched new highs after more steady rises in 2007, and methane had its largest annual increase in a decade, the World Meteorological Organisation said.
"The major greenhouse gases -- CO2, methane and N2O -- have all reached new highs in 2007. Two of them, CO2 and N20, are increasing steadily and there is no sign of levelling off of those two gases," WMO expert Geir Braathen told a news briefing.
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