Changes

The current world population is estimated at around 22-27,000.<ref>http://www.naturecanada.ca/climate_change_polar.asp</ref>

The current world population is estimated at around 22-27,000.<ref>http://www.naturecanada.ca/climate_change_polar.asp</ref>

Polar bears also starred in a series of [[Coca-cola]] advertisements that ran during the 1990s.  These were not actual polar bears, but were computerized.

Polar bears also starred in a series of [[Coca-cola]] advertisements that ran during the 1990s.  These were not actual polar bears, but were digital animations.

==References==  

==References==