The Karner blue butterfly, an endangered species, faces threats from climate change.An anticipated federal rule would empower wildlife officials to relocate such species, a tactic known as assisted migration.(iStock)Nine years ago, a team of scientists studying a violet-blue, thumb-sized butterfly found only two remaining in a rolling landscape of dunes along southern Lake Michigan.
#back #years #conversation #environment #climate-change #executive-director #temperatures #populations #natural-resources #endangered-species
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