●Experts mapped current
and projected future 'wet bulb' temperatures globally ●This is made by draping a
water-saturated cloth over the bulb of a thermometer ●High wet-bulb readings
occur once a year but could increase to 250 by 2070 ●Densely populated
northeastern India will be hardest hit, researchers say
Killer heat waves will
become increasingly prevalent in regions across the globe as warming of
the planet continues, climate scientists say.
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Large
swaths of the tropics and beyond may see crushing combinations of heat and
humidity in coming decades, according to a new study
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