Scientist predicts 'mini Ice Age'

A Russian astronomer has predicted that Earth will experience a "mini Ice Age" in the middle of this century, caused by low solar activity. Khabibullo Abdusamatov of the Pulkovo Astronomic Observatory in St. Petersburg said that temperatures will begin falling six or seven years from now, when global warming caused by increased solar activity in the 20th century reaches its peak, RIA Novosti reported.

The coldest period will occur 15 to 20 years after a major solar output decline between 2035 and 2045, Abdusamatov said. Dramatic changes in the earth's surface temperatures are an ordinary phenomenon, not an anomaly, he said, and result from variations in the sun's energy output and ultraviolet radiation.

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