If it melts, polar bears won't have natural habitat.
global warming
because of the global warming
global warming
The observed warming is amplified in the Arctic, yes.
global warming, for one.
Yes, every year Arctic ice gets smaller and smaller.
Your premise is incorrect; humans have not "destroyed the arctic environment".
because of global warming
To convice the read that golbal warming is caused naturally
No, they are entirely different species and not closely related.
There will always be an Arctic becsuse the Arctic is a place. The ice is melting and it is warming and changing, but it will be there. There will always be ice there though, because it still gets very cold in the winter.
Other breeds of wolves.