Study says since 1979 climate change has made heat waves last longer, spike hotter, hurt more people
- Global heat waves are moving 20% more slowly, 67% more often since 1979. The highest temperatures in heat waves are now warmer than 40 years ago. Eurasia is especially impacted.
- Heatwaves are persisting longer due to weakening atmospheric waves moving weather systems. Computer simulations attribute the change to heat-trapping emissions from coal, oil, and natural gas.
- Heatwaves travel further due to slower speeds: 340 to 280 kilometers per day since the 1980s. Despite slower speeds, the total distance covered has increased.
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Leaning Left11Leaning Right8Center19Last Updated3 months agoBias Distribution50% Center