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Heat wave a glimpse of climate change’s impact in N. America

FILE - Vivek Shandas, a professor of climate adaptation at Portland State University, takes a temperature reading of almost 106 degrees in downtown Thursday, Aug. 12, 2021, in Portland, Ore., during a major, multi-day heat wave. Weather extremes like this will increase in frequency and intensity in North America the coming years as global warming accelerates, according to a United Nations Intergovernmental Panel on Climate Change report. (AP Photo/Nathan Howard, File) FILE - A volunteer helps set up snacks at a cooling center established to help vulnerable residents ride out a dangerous heat wave on Aug. 11, 2021. Weather extremes like this will increase in frequency and intensity in North America the coming years as global warming accelerates, according to a United Nations Intergovernmental Panel on Climate Change report. (AP Photo/Gillian Flaccus, File) FILE - Mud and debris surround damaged homes after Hurricane Ida in Ironton, La., on Sunday, Sept. 19, 2021. Weather extremes like this -- as well as drought, wildfire, flooding and diminishing air quality will increase in frequency and intensity in North America the coming years as global warming accelerates, according to the United Nations Intergovernmental Panel on Climate Change report. (David Grunfeld/The Times-Picayune/The New Orleans Advocate via AP) Dr. Alexander St. John poses for a photo in front of an ice maker in a kitchen at Harborview Medical Center, on Monday, Feb. 28, 2022, in Seattle, where medical assistants filled buckets with ice to be put in a body bag, in an effort to bring down the body temperature of patient with temperature of 104 degrees during a heat wave in the Pacific Northwest. (AP Photo/Stephen Brashear) Dr. Alexander St. John poses for a photo at Harborview Medical Center, on Monday, Feb. 28, 2022, in Seattle. During a heat wave in 2020 in the Pacific Northwest, St. John, an emergency room physician, used a body bag filled with ice from the hospital's kitchen to bring down the body temperature of a patient that had reached 104 degrees. (AP Photo/Stephen Brashear) FILE - In this aerial photo taken from a helicopter, a wildfire burns in the mountains north of Lytton, British Columbia, on Thursday, July 1, 2021. The wildfire that forced people to flee a small town in British Columbia that had set record high temperatures for Canada on three consecutive days. Weather extremes like this will increase in frequency and intensity in North America the coming years as global warming accelerates, according to a United Nations Intergovernmental Panel on Climate Change report. (Darryl Dyck/The Canadian Press via AP,File) FILE - The sun shines near the Space Needle, Monday, June 28, 2021, in Seattle as Seattle and other cities broke all-time heat records, with temperatures soaring well above 100 degrees Fahrenheit (37.8 Celsius). Weather extremes like this will increase in frequency and intensity in North America the coming years as global warming accelerates, according to a United Nations Intergovernmental Panel on Climate Change report. (AP Photo/Ted S. Warren,File)