if the Arctic Ocean is regularly declared ice-free, this could significantly impact the fragile ecosystem of the northernmost sea, including everything from the ‘emblematic polar bear to the cru ...
The Arctic's ice cover could dip below a crucial threshold as soon as 2027, and will do so inevitably in the next 20 years if greenhouse gas emissions continue, scientists warn.
Co-existing with these ice-dependent predators, when the Arctic climate is changing faster than at any time in history, creates a paradoxical challenge for Churchill: The polar bear population ...