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

Independent:

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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