Fires are burning across the breadth of Canada, blanketing parts of the eastern United States with choking, orange-gray smoke. So much wildfire smoke pushed through the border that in Buffalo, schools canceled outdoor activities. The average global temperatures today are more than 1.1 degrees Celsius (2 degrees Fahrenheit) higher than in the preindustrial era. The trees and grasses of eastern Canada turned to tinder. “We should expect a stunning year of global extremes,” he wrote.

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Persons: It’s, El Niño, Justin Trudeau, ”, Alexandra Paige Fischer, Park Williams, Wiliams, Brendan Rogers, haven’t, La, Jeff Berardelli, El, Ada Monzón Organizations: Northern, University of Michigan, Stanford, University of California, Climate Research, El, Twitter Locations: Canada, United States, Puerto Rico, North America, El, Buffalo, Detroit, Los Angeles, Alberta, Vietnam, China, Siberia, WFLA, Tampa Bay, Fla, WAPA