Miracle at St. Anna tells the tale of four soldiers.
Ian Stirling -LRB- born September 26 , 1941 -RRB- is a research scientist emeritus with Environment and Climate Change Canada and an adjunct professor in the University of Alberta Department of Biological Sciences .. Alberta. Alberta. University of Alberta. University of Alberta. Environment and Climate Change Canada. Environment and Climate Change Canada. His research has focused mostly on Arctic and Antarctic zoology and ecology , and he is one of the world 's top authorities on polar bears .. Arctic. Arctic. Antarctic. Antarctic. Stirling has written five books and more than 150 articles published in peer-reviewed scientific journals .. He has written and spoken extensively about the danger posed to polar bears by global warming .. global warming. global warming