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It has become a fad to argue about the effect of industrial smokestacks on changing climate. But that is far from all they do, as the USGS has just reminded us. (Photo by Eric Schmuttenmaer [akeg
The US Geological Survey has been getting things right since at least the 1930s, when it correctly identified the Dust Bowl — while it was occurring — as a human-caused, not natural, event. Few people recognized the implications at the time, few know them today, and not many paid attention last fall when the USGS told us something else it knows about what we are doing to the world that nourishes us: industrial activities are turning the world to acid.
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