«We still don't know to what extent environmental changes will affect polar bear health and therefore its conservation,» say the authors. (climatenewsnetwork.net)
Hunting success and bear activity are only part of the picture of polar bear health, says ecotoxicologist Sabrina Tartu, of the Norwegian Polar Institute, which is based in Tromsø. (sciencenews.org)
«Pollutants in the Arctic environment are threatening polar bear health.» (sciencedaily.com)