Polar Bear

A giant model of a Polar Bear is moved from its position outside the Shell building after Actress Emma Thomson joined Greenpeace climate change activists on September 29, 2015 in London, England. The event was marked as a celebration after the Anglo-Dutch oil company announced yesterday that it was pulling out of Arctic oil drilling.

Dan Kitwood/Getty Images

A giant model of a Polar Bear is moved from its position outside the Shell building after Actress Emma Thomson joined Greenpeace climate change activists on Tuesday in London, England. The event was marked as a celebration after the Anglo-Dutch oil company announced yesterday that it was pulling out of Arctic oil drilling

A Mutant Vehicle made up like a polar bear drives through the dust during the Burning Man 2015 "Carnival of Mirrors" arts and music festival in the Black Rock Desert of Nevada. Participants from all over the world attend the sold-out festival to spend a week in the remote desert to experience art, music and the unique community that develops

Jim Urquhart/Reuters

A Mutant Vehicle made up like a polar bear drives through the dust during the Burning Man 2015 “Carnival of Mirrors” arts and music festival in the Black Rock Desert of Nevada

Twin polar bear cubs stand with their mother Giovanna in their enclosure at Tierpark Hellabrunn in Munich...Twin polar bear cubs stand with their mother Giovanna in their enclosure at Tierpark Hellabrunn in Munich, March 19, 2014.  The 14 week-old cubs, who made their first public appearance on Wednesday, have yet to be named.      REUTERS/Michael Dalder (GERMANY  - Tags: ANIMALS SOCIETY)

Michael Dalder/Reuters

Twin polar bear cubs stand with their mother Giovanna in their enclosure at Tierpark Hellabrunn in Munich. The 14-week-old cubs, who made their first public appearance on Wednesday, have yet to be named.

A polar bear named Nanuq is seen through the glass wall of the basin of his enclosure diving for an ice cake made of frozen fish, meat and fruit in the zoo in Hanover, Germany.

Christophe Schmidt/EPA

A polar bear named Nanuq dives for an ice cake of frozen fish, meat and fruit in the zoo at Hanover, Germany.

Luka, almost two-year-old male polar bear, swims in his new home at the zoo in Wuppertal, Germany. He was born in the Netherlands and is meant to be the play partner for female polar bear Anori who is the same age.

Roland Weihrauch/EPA

Luka, an almost two-year-old male polar bear, swims in his new home at the zoo in Wuppertal, Germany. Born in the Netherlands, Luka has moved to Germany to be a companion for female polar bear Anori, who is the same age.