Author: Andrew Hansen

Dr. Andy Hansen has had a distinguished career as an American ecologist and is counted among the premier modern scientists in assessing the health of the Greater Yellowstone region. He also has served as a consultant on blue-ribbon teams examining trendlines for ecosystems around the world. Lead author or contributor to major peer-reviewed scientific journal articles, books and reports, he is today professor emeritus at Montana State University in Bozeman where he oversaw the Landscape Biodiversity Lab.

Wildlife

“I Have Studied Greater Yellowstone for 33 Years. Never Has It Been So Threatened.”

Dr. Andy Hansen has been at the forefront of researching the health of Greater Yellowstone, the premier ecosystem in the Lower 48. He warns we’re now in the danger zone

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