CBS Evening News with Norah O'Donnell, 07/21
CBS Evening News
00:00
Yellowstone National Park Adapts to Climate Change
Yellowstone's northern entrance was severely damaged by last month's historic flood. Repairing the two mile highway could now take up to five years, and cost as much as one billion dollars. Concern that erosion in the area is so bad parts of the canyon wall could collapse. The th Thursday morning commute took a terrifying turn to day when a train caught fire outside boston. Health officials sound the alarm about America's first poleo case in nearly a decade.
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