The cacophony caused by raging wildfires, searing heat and record-setting floods is caused by climate change, as world temperatures persistently increase, say experts. People stand on a hill surveying cars abandoned in floodwater in a mall parking lot following a major rain event in Halifax on Saturday, July 22, 2023.
Rising temperatures lead to drier conditions, increasing the risk of wildfires, he said, but the warmer weather also augments the atmosphere’s ability to hold moisture, leading to heavier downpours that can cause flooding. “When we talk about global warming, the impacts of that changing or increasing temperature, is we’re going to see more fluctuations, we’re going to see extreme events — extreme dry events, and also extreme rain events. And that’s what Nova Scotia has seen so far this year.”
“Don’t be mistaken,” he said. “There have been heat waves before throughout history, but it’s the persistence and the extreme nature of some of these that is concerning.” “But if the air is warmer, it can hold more moisture. When those moisture-laden air masses reach the coastline, they’re going to dump more rain and you’re going to have a greater likelihood of more severe flooding than you would otherwise.”
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