ok lets start with the basic things about northern hemisphere.

The northern hemisphere is gaining the attention of the scientists during the last few decades, as the cyclic process of freezing and melting of Arctic sea ice is one of the key indicators of the on-going climate change across the world. There are a number of studies focusing on monitoring the sea ice extent in the northern hemisphere, due to the fact that the Arctic sea ice has experienced consistent and sharp decline owing to influence of the global heating.

its not the best place to live but still.. its not perfect and yes you can see them !