Many other response teams with CERT in their name have sprung up and are part of the Forum of Incident Response and Security Teams (FIRST), of which CERT/CC was a founding member. They all work independently toward a common goal of computer security.
When other food is unavailable, polar bears will eat just about any animal they can get, including reindeer, small rodents, seabirds, waterfowl, fish, eggs, vegetation (including kelp), berries, and human garbage.
The ice melts and it can't find any food... The Polar Bear lives by catching seals and other animals from on top of the sea ice. Now, the ocean doesn't freeze as much as before so the Polar Bear can't find food and its numbers are starting to become smaller.