by NationalGeographic (Author), RobWaring (Author), National Geographic (Author), Rob Waring (Author)
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?
Format: Paperback
Pages: 24
Publisher: Heinle-Cengage ELT
Published: 23 Dec 2008
ISBN 10: 1424012317
ISBN 13: 9781424012312