| http://www.w3.org/ns/prov#value | - People were rallying not just about climate change, but around a remarkably wonky scientific data point, 350 parts per million carbon dioxide, which NASA???s James Hansen and his colleagues have demonstrated is the most we can have in the atmosphere if we want a planet ???similar to the one on which civilization developed and to which life on earth is adapted.??? Which, come to think of it, we do.
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