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[QUOTE]Originally posted by First of Two: [QB] More data from James Hansen (NASA scientist and a leading proponent of Global Warming: [QUOTE]The 1997 Kyoto Protocol, which calls for industrialized nations to reduce their CO2 emissions to 95% of 1990 levels by 2012 (Bolin 1998), is itself considered a difficult target to achieve. Yet the climate simulations lead to the conclusion that the Kyoto reductions will have little effect in the 21st century (Wigley 1998), and "thirty Kyotos" may be needed to reduce warming to an acceptable level (Malakoff 1998). We suggest equal emphasis on an alternative, more optimistic, scenario that emphasizes reduction of non-CO2 GHGs and black carbon during the next 50 years. [b]This scenario derives from our interpretation that observed global warming has been caused mainly by non-CO2 GHGs. [/b] Although this interpretation does not alter the desirability of slowing CO2 emissions, it does suggest that it is more practical to slow global warming than is sometimes assumed. [/QUOTE] [QUOTE]Reduction of methane emissions and soot could yield a major near term success story in the battle against global warming, thus providing time to work on technologies to reduce future carbon dioxide emissions. Currently, technologies are within reach to reduce other global air pollutants, like methane, in ways that are cheaper and faster than reducing CO2. [/QUOTE] [/QB][/QUOTE]
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