Dr. Turski is a professor of Earth System Science Education at Plymouth State University. He uses this website so that everyone has easy access to his teaching materials.
Image provided by: http://serc.carleton.edu
His bookmarks page which his students never ( well hardly ever) look at can be found at Mark Turski's Bookmarks. They contain a wealth of information that will help on all the assignments but they are about as well organized as his office and mind.