HUFFINGTON POST

Global Warming Expanding Tropics, Threatening To Drive Deserts Into Southern Europe...

The world's tropical zones are growing, threatening to drive the world's great deserts into southern Europe and other heavily populated areas, alarming new research suggests.

The study - based on satellite measurements over the past quarter of a century - shows that the tropics have widened by 140 miles since 1979. Scientists suspect that global warming is to blame.

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