Polar bears: Extreme lack of sea ice in Hudson Bay puts predators under pressure

Melting Arctic Sea Ice: A Serious Threat to the Existence of Polar

Analysis, Arctic Sea Ice News and Analysis

Sea ice cometh to Hudson Bay: freeze-up has begun

How do polar bears eat when there's no sea ice? Not well, study

TWS Member: Hudson Bay Polar Bears Could Survive Ice Melt - The

Fram Forum 2015 by FramCentre - Issuu

As sea ice changes, so do polar bears - WWF Arctic

SEJournal - Society of Environmental Journalists

Polar Bear National Wildlife Federation