Gregory Dennis: When skiing melts away

For Winter Olympian Jessie Diggins, climate change is personal. She’s one of the world’s best Nordic skiers and an American — a rare combination in a sport dominated by Europeans.
But the snowy world that has dominated her life and sport is disappearing.
“Over the past three years, most venues have been exclusively on man-made snow,” Diggins told the New York Times. “In places like Davos, Switzerland, where they normally have three feet of snow, they’ve