TY - RPRT TI - Greenhouse gas mitigation can reduce sea-ice loss and increase polar bear persistence AU - Steven C. Amstrup AU - E.T. Deweaver AU - David C. Douglas AU - B.G. Marcot AU - George M. Durner AU - C.M. Bitz AU - D.A. Bailey PY - 2010 DO - 10.1038/nature09653 UR - https://pubs.usgs.gov/publication/70037631 ID - 70037631 ER -