Polar Bears International is a nonprofit organization dedicated to the worldwide conservation of the polar bear and its habitat through research and education. They provide scientific resources and information on polar bears and their habitat to all interested parties. There is a tools for teachers and students section complete with lesson plans, a board game, maps, and related links.
We all know that Antarctica is a very cold place, and the scientists who work there are not the only ones who have to worry about staying warm. The animals that live in Antarctica have to protect themselves from the frigid conditions on a year-round basis. In order to keep heat they produce from escaping into the environment
WHOI is the world's largest private, nonprofit ocean research, engineering and education organization. This site has information on oceans from climate to ocean life to ships and technology.