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Wildfire smoke is becoming a nationwide health threat

The impacts of recent forest fires in California reach well beyond the burned areas. Smoke from the Camp Fire created hazardous air quality conditions in San Francisco, more than 170 miles to the southwest – but it didn’t stop there. Cross-country winds carried it across the United States, creating hazy conditions in...read more.

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Where the Bison Roam—Again?

Saving the American bison from extinction in the late nineteenth century has been hailed as one of the great achievements of the conservation movement. Zoologist and conservationist William T. Hornaday’s 1889 map of the distribution of bison records the continental reduction of the range of...read more.