ICE CORE RESEARCH
March 1st, 2003
BY KEITH NUTHALLIF there is one undeniable fact about global warming, then it is that the last significant heating of the Earth's surface had nothing to do with traffic jams, aerosols and power stations, because...well...they did not exist.Think back to the time of woolly mammoths, sabre toothed tigers and Neanderthals, and consider why their snowy frigid homelands in northern Europe became the green, pleasant and temperate lands that we know and love.It is a question that has been bothering scientists, because they don't know the answer, just as they don't ...
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