I'll continue with Dr. Derocher.
You study polar bears. Polar bears are often considered to be the poster child of climate change around the world. When I was on the Committee on the Status of Endangered Wildlife in Canada, we struggled to assess the polar bear population status and often used your work as the basis for our deliberations.
I'm just wondering if you could let us know what the status of polar bears is these days. How is climate change affecting their environment?