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Extreme weather – Analysis and Comment

Hurricane Beryl hit the island of Carriacou, Grenada, on July 1, 2024, with 150 mph sustained winds. NOAA

Hurricane Beryl’s rapid intensification and Category 5 winds are alarming: Here’s why more tropical storms are exploding in strength

Beryl’s strength and rapid intensification set records for so early in the year. It’s alarming in what’s expected to be a very active Atlantic hurricane season, as a meteorologist explains.
Wildfire smoke traveling hundreds of miles caused hazy skies all the way to Virginia in 2023. AP Photo/Alex Brandon

Wildfire smoke is back – fires burning across Canada are already triggering US air quality alerts in the Midwest and Plains

States could be in for another summer of unhealthy wildfire smoke as ‘zombie fires’ resurface in western Canada and more blazes break out in the dry conditions.
Workers attempt to repair a water main break in Jackson, Miss. Joshua Lott/The Washington Post via Getty Images

The South’s aging water infrastructure is getting pounded by climate change – fixing it is also a struggle

Extreme downpours and droughts, both fueled by rising global temperatures, are taking a toll. Communities trying to manage the threats face three big challenges.
Utilities can turn off power to reduce the risk that their equipment could spark wildfires during extreme weather events. Smith Collection/Gado via Getty Images

Colorado is latest state to try turning off the electrical grid to prevent wildfires − a complex, technical operation pioneered in California

Turning off power is a last-ditch strategy for utilities to reduce the risk that their systems could spark wildfires. In most states, deciding whether to take that step is up to utilities.
Too much fresh water from Greenland’s ice sheet can slow the Atlantic Ocean’s circulation. Paul Souders/Stone via Getty Images

Atlantic Ocean is headed for a tipping point − once melting glaciers shut down the Gulf Stream, we would see extreme climate change within decades, study shows

Scientists now have a better understanding of the risks ahead and a new early warning signal to watch for.