This web site has terrific information about Antarctica and learning resources. The site focuses on signals of global climate changes that are seen in ice cores from Antarctica.
This website has a treasure trove of resources for you to create innovated lessons using the best resources available. The resources have been selected from those suggested by users from around the country. You also appreciate the way the resources have been categorized so that you can easily search for what you want.
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.