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

University of Toronto Scarborough researchers have directly linked population decline in polar bears living in Western Hudson ...

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

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.

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

A new study says the number of polar bears in western Hudson Bay has been cut in half over the past four decades.

Research has found that rising temperatures in the Arctic are weakening weather systems that normally trap the cold around ...

How does the polar bear survive permanently sub-zero temperatures, in one of the most climatically inhospitable environments on the planet? Its fur hides an antifreeze: a mix of fatty substances ...

The world is adept at balancing the warming gases in its atmosphere, but anthropogenic climate change is challenging this ...

Sharks and rays have populated the world's oceans for around 450 million years, but more than a third of the species living today are severely threatened by overfishing and the loss of their habitat.

A team of environmental scientists from the Instituto Nacional de Pesquisas da Amazônia, Michigan Technologic University and ...