With every year of inaction the risks posed by climate change grow, according to a new report requested by Congress.
In 1959 physicist Gilbert Plass warned in Scientific American that increasing concentrations of carbon dioxide in the atmosphere was causing climate change. In 1965 President Lyndon Johnson warned Congress of the risk. In 1979 the U.S. National Academy of Sciences warned against a wait-and-see attitude (pdf).
But we have waited. And now most of us see. Increasing concentrations of greenhouse gases are changing the climate. And a new report from the U.S. National Research Council argues—again—that we urgently need a national approach to reducing that pollution since its impacts will be with us for hundreds or even thousands of years.
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