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New global warming evidence presented / Scientists say their observations prove industry is to blame: "Washington -- Scientists reported Friday they have detected the clearest evidence yet that global warming is real -- and that human industrial activity is largely responsible for it.
Researchers at the annual meeting of the American Association for the Advancement of Science cited a range of evidence that the Earth's temperatures are rising:
-- The Arctic regions are losing ice cover.
-- The populations of whales and walrus that Alaskan Eskimo communities depend on for food are crashing.
-- Fresh water draining from ice and snow on land is decreasing the salinity of far northern oceans. "