As wildfires multiply, a new era of air pollution

From Quebec to British Columbia to Hawaii, North America is facing an extraordinary wildfire season—and regions both near and far have found themselves increasingly blighted by smoke exposure.

Air polluted with wildfire smoke can harm animals, too

The Canadian wildfires that are burning out of control have brought hazy skies and polluted air to parts of the United States unprepared for it—and that's affecting not just the people, but their pets and livestock, too.

Wildfire smoke threatens already endangered orangutans

For months following peatland wildfires in Borneo, the behavior and voices of critically endangered orangutans change, according to a new study led by a researcher from the Cornell Lab of Ornithology.

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