Polar bears in trouble: 2200 headwords
Auteur :
Waring, Rob
Éditeur :
Waring, RobNational Geographic,
ISBN :
9781424022250
Date de publication :
3 avr. 2008
Dimensions :
14,8 x 20,6 x 0,4 cm
Poids :
80 g
Langue :
Anglais
Pays d'origine :
USA
Polar bears one of the largest and most dangerous hunters in the cold regions of the North. Their bodies are built for winter and they do best in the coldest areas. Unfortunately, polar bears are becoming threatened due to changes in the world's climate. How does global warming affect polar bears? What must be done to save them?