Dangerous, record-breaking heat waves are set to increase as the climate crisis intensifies, and they will be particularly devastating in countries and regions that are least prepared for them, according to a new study.
Scientists analyzed temperature data sets spanning more than 60 years, as well as climate models, to calculate the likelihood of unprecedented heat extremes occurring -- and where these might happen.They identified Afghanistan, Papua New Guinea and Central America -- including Guatemala, Honduras and Nicaragua -- as "hot spots" for high-risk heat waves.
The threat facing Afghanistan is particularly stark, Mitchell told CNN. Not only is there high potential for record-breaking extreme heat, but the impacts will be intensified by the huge difficulties the country already faces, he said. Heat waves have a wide-ranging negative impact. They reduce air quality, worsen drought, increase the risk of wildfires and can lead infrastructure to buckle.
"Heat waves and other extreme weather events will only become more intense as the world continues to burn fossil fuels," said Friederike Otto, a climate scientist at the Grantham Institute for Climate Change at Imperial College London, who was not involved with the study. The millions of people who live in these densely populated regions could be badly affected by heat waves, even if these countries are more likely to have resources to mitigate some of the worst impacts.
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