Polar bears & the global warming

The survival crisis of polar bears 

• The cause
• The global warming
• Details
• Polar bears are the top predators
• The main prey is a seal
• It is estimated that the maximum distance that polar bears swim for prey hunting is about 100km after the global warming becomes severe
• Increased drowning of polar bears
• No place to rest in the middle of the ocean during food hunting
• Reference URL: https://youtu.be/9Lu_VjRHRv4