NPR logo Mardy Murie

Mardy Murie

She's traveled hundreds of miles by dogsled and battled mosquitoes as thick as fog. Those explorations of wild Alaska put Mardy Murie at the forefront of the battle to preserve and protect the Arctic National Wildlife Refuge. But after a century of life, age and illness have all but silenced Murie's voice. NPR's Howard Berkes profiles the so-called matriarch of the environmental movement, as the Alaska land she fought to protect faces new pressure for oil development. (12:30)

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