Portland residents wait inside the Oregon Convention Center, which was repurposed as an emergency cooling center during a heat wave in June 2021. Hundreds of people died in the Pacific Northwest due to the heat wave.

Firefighters in hazy smoke

PORTLAND, OR – JUNE 27: Portland residents fill a cooling center with a capacity of about 300 people at the Oregon Convention Center June 27, 2021 in Portland, Oregon. Record breaking temperatures lingered over the Northwest during a historic heatwave this weekend. (Photo by Nathan Howard/Getty Images)

Volunteer firefighters rest west of Yakutsk, Russia, in August 2021. Wildfires are getting more common in Siberia, undercutting the ability of the region’s vast forests to absorb carbon dioxide from the atmosphere.
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