Heat Waves Are Moving Slower and Staying Longer, Study Finds

When heat waves swept across large parts of the planet last summer, in many places the oppressive temperatures loitered for days or weeks at a time. As climate change warms the planet, heat waves are increasingly moving sluggishly and lasting longer, according to a study published on Friday.Each decade between 1979 and 2020, the rate at which heat waves travel, pushed along by air circulation, slowed by about 5…