Jim Hansen, Climate Bulldog: Still Going Strong At 70 · OPB News
Some of his colleagues in the mainstream climate-science community are reluctant to go as far out on a limb as Hansen. They aren’t comfortable crossing the line that separates science from activism, although everyone agrees that Hansen keeps his activist views out of his scientific work, which is why his science is still taken very seriously. They sometimes challenge his scientific work as well — not everyone agrees with the interpretation of evidence that led Hansen to declare 350 ppm as the proper target for atmospheric CO2 — but every top scientist, including Einstein, has had his or her work challenged. It’s how science works.
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