ധ്രുവക്കരടികളെത്തേടി 40 വര്‍ഷങ്ങള്‍

1/46

2/46

For 30 years, Stirling served as Adjunct Professor in the Department of Biological Sciences at the University of Alberta, Canada. When retired 15 years ago, he was occupying the chair of head of department.

3/46

For 30 years, Stirling served as Adjunct Professor in the Department of Biological Sciences at the University of Alberta, Canada. When retired 15 years ago, he was occupying the chair of head of department.

4/46

Despite turning 75, Stirling is still a curious child when it comes to the animals in sea of ice and chill winds. The book he penned about polar bears is still a motivation to the scientists working in the sector.

5/46

The summer in Europe extends from June to August, which marks a slight dip in temperature. However, the Arctic will be still having chilling conditions

6/46

7/46

8/46

Owing to global warming, the intensity of cold has come down over the years. In summer the temperature that earlier stood at an average of -20 degree Celsius, has now raised to 5-7 degree Celsius.

9/46

10/46

11/46

12/46

13/46

14/46

The melting of ice sheets in poles is a direct consequence of global warming. The topic of global warming tops the debates for over 25 years and the scientists have been voicing concern over the ecological imbalance the Arctic sector.

15/46

16/46

17/46

18/46

19/46

With the intensity of global warming going up every year, it is predicted that the number of polar bears would be come down by 50 percent by 2050. As per the statistics, 25000 polar bears are spread over Norway, Greenland, merica, Russia and Canada.

20/46

21/46

Polar bear needs floating sheets of ice. However, now the sheets are melting away faster.

22/46

Despite turning 75, Stirling is still a curious child when it comes to the animals in sea of ice and chill winds. The book he penned about polar bears is still a motivation to the scientists working in the sector.

23/46

24/46

25/46

26/46

The sheets of ice help them to hunt seals, which are living in sea. Since the seals too are depending on floating sheets of ice, they existence would be threatened. Taking serious concern of the situation, the scientists say the ice sheets in Arctic Ocean have diminished by 50 percent

27/46

28/46

Owing to global warming, the intensity of cold has come down over the years. In summer the temperature that earlier stood at an average of -20 degree Celsius, has now raised to 5-7 degree Celsius.