The Great Polar Bear FeastDVD - 2016
USGS scientist Todd Atwood and his team explore why polar bears have been turning up in record numbers in northern Alaska in addition to the 40% decline in the polar bear population in the South Beaufort Sea since 2006, discovering connections with climate change and exploration for untapped fossil fuels.
Publisher: [Arlington, Virginia] :, PBS Distribution,, 
Copyright Date: ©2016
Characteristics: 1 videodisc (55 min.) : sound, color ; 4 3/4 in 4 3/4 in.,stamping,rda digital,optical,stereo,rda NTSC,rda video file,DVD video,region 1,rda