Debate on Climate Shifts to Issue of Irreparable Change: "Now that most scientists agree human activity is causing Earth to warm, the central debate has shifted to whether climate change is progressing so rapidly that, within decades, humans may be helpless to slow or reverse the trend."
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I think that the only and enormously difficult task is to change our consumption culture. On the other hand I think that the human being is nowadays artificial:
population would drop as much the CO2 level in atmosphere if we suddenly abandon our present energy thecnology generation.
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