HippoCampus - a project of the Monterey Institute for Technology and Education - features multimedia educational content such as presentations and simulations. Here you can find materials related to environmental science and climate change.
This online repository - an initiative by California State University - facilitates access to a rich spectrum of learning materials, including animations, assignments, online courses, quizzes and textbooks.
This is a focal point for Massachusetts Institute of Technology's (MIT) published course contents. This includes lecture notes and assignments of past courses attended by MIT undergraduates and graduates.
Faculty members across the Pennsyvlania State University's College of Earth and Mineral Sciences participate in creating course materials, which are shared with the rest of the world via this portal. Specific online courses and course files are accessible here.