Dr. Steve Amstrup, USGS biologist, and assitant Kristin Simac prepare to take data from a polar bear (Ursus maritimus) on the Beaufort Sea ice pack. Kaktovik, Alaska
Dr. Steve Amstrup, USGS biologist, and assitant Kristin Simac pr
Whenever anyone needed a prediction about the future of polar bears, Steven Amstrup was the crystal ball into which they gazed.
Joel Smith is a web producer at Pacific Standard. His previous work includes seven years as a staff writer and media editor at the Pacific Northwest Inlander, the alternative weekly in Spokane, Washington.