For 20,000 years, polar bears have been retreating due to rising sea temperatures: Study

The fact that polar bears in Greenland are under threat is not a recent development. They have increasingly come to symbolize the challenges posed by melting polar ice and the broader climate crisis in recent years. Nevertheless, a new study highlights that this trend has deep historical roots, with polar bear numbers in Greenland diminishing over a period of 20,000 years.