Assignment Earth

For 10 years, the Ski Area Citizens Coalition has published its ski area environmental report card, a rating system that grades ski resorts across the west according to their impact on the natural environment.
Researcher Aly Courtemanch starts her work day on skis. That’s how she gets around on the alpine terrain where she studies the Teton Range bighorn sheep herd. Using GPS devices and trail counters, Courtemanch a scientist a the Cooperative Fish... Read More
Yellowstone National Park has been described as a winter wonderland. “We find that a lot of people from across the United States enjoy going into the park on snowmobiles, because ... you're out in the fresh air,” said Bill Howell, part owner of a... Read More
Last year the only known wild jaguar in the United States was captured in a trap and euthanized by Arizona Wildlife authorities. The death of this big cat, called Macho-B, triggered a federal investigation that found violations of the procedures... Read More

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