Scientists have quantified how much climate change has driven the population decline of polar bears living in Canada's Hudson ...

U of T Scarborough researchers have directly linked population decline in polar bears living in Western Hudson Bay to shrinking sea ice caused by climate change.

Polar bears in Western Hudson Bay have seen their population nearly halved over the last several decades, largely due to dwindling sea ice and limited hunting opportunities, according to the findings ...

the polar bear population in this region has declined by nearly 50 per cent. The monitoring data shows the average size of polar bears is also in decline. The body mass of adult females has dropped by ...

This prolonged fasting drains polar bears’ energy reserves, reducing their ability to reproduce and raise cubs. Without ...

Eight of the 13 Canadian polar bear sub-populations are either depleted or showing significant signs of stress, and future reduction of sea-ice in the Arctic could result in a loss of two-thirds of ...

Researchers have directly linked population ... the average size of polar bears is also in decline. The body mass of adult females has dropped by 39kg (86lbs) and one-year-old cubs by 26kg ...