#1 health threat - KWWL - Eastern Iowa Breaking News, Weather, Closings

#1 health threat

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WATERLOO (KWWL) - We've immunized ourselves against a laundry list of diseases, but the biggest health threat of the 21st Century, according to a new report, is climate change.

The joint study is from University College London, and a peer-reviewed medical journal called The Lancet, experts studied climate change for a year. They say increased heat will have a major impact on mortality.

They also project that millions of people could be affected by water shortages by 2020. The report also indicates food supplies could become an even bigger problem in some parts of the world.

Experts say crop yields could diminish by as much as 17-percent with even a one-degree rise in global temperature.

Online Producer: Maria Magner

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