The impact of the climate crisis is becoming more and more obvious to humans and their animal neighbors. But among all species, polar bears might be some of the hardest hit.
원문출처 : https://www.cnn.com/2020/02/14/world/polar-bears-thinner-fewer-cubs-scn-trnd/index.html
원문출처 : https://www.cnn.com/2020/02/14/world/polar-bears-thinner-fewer-cubs-scn-trnd/index.html