In August of 2000, James Hansen co-authored a study on global warming as projected into the coming decades.
The study, entitled Global warming in the twenty-first century: An alternative scenario , pointed out that “rapid warming in recent decades has been driven mainly by non-CO2 greenhouse gases . . . not by the products of fossil fuel burning, CO2 and aerosols.”
After conducting the study, Hansen concluded that it was not man-made CO2 that was causing global warming.
However, Hansen still pushes that the method of controlling emission output should “focus on air pollution has practical benefits that unite the interests of developed and developing countries. However, assessment of ongoing and future climate change requires composition-specific long-term global monitoring of aerosol properties.”
The consensus, Hansen claims is that “the warming is at least in part a consequence of increasing anthropogenic greenhouse gases (GHGs)”, yet without evidence supporting that global warming is caused by man, the assertion is purely conjecture. (CONTINUE)
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