150 Years of Change: How Old Photos, Recaptured, Reveal a Shifting Climate
For 30 miles we bounce along a dirt road in southwestern Wyoming, heading toward a jagged skyline. It’s early September and the aspens are starting to turn yellow. As we climb toward the mountains, the air grows colder. Soon the road will see snowfall. Jeff Munroe, a professor of geology at Middlebury College in Vermont,…