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Hillary Rosner

Hillary Rosner

Hillary Rosner is a journalist who covers the environment for National Geographic, Wired, Scientific American and many other publications.

A group of pronghorn antelope on a grassy field, with mountains in the background, seen through lines of barbed wire fence.

In Wyoming, fences are coming down to make way for wildlife

More than 600,000 miles of fences crisscross the American West, blocking animal migration. Outside Yellowstone last summer, volunteers dismantled a few.