In New York City, smoke from heat-driven Canadian wildfires turned the sky Blade Runner orange. In the Florida Keys, the water temperature hit a fish-cooking 101 degrees. In Madagascar, the hot ocean fueled the longest-lived cyclone ever recorded. In Brazil, heat sucked the water out of the Amazon, drying up large swaths of the rain forest and cutting off riverside communities from the outside world. Heat-loving mosquitoes brought malaria to the US for the first time in decades. In Phoenix, heat deaths nearly doubled from 339 in 2021 to 645 in 2023.
