U.S. Environmental Protection Agency EPA has developed a number of programs and resources to provide interesting opportunities for new talent. This site list a host of opportunities for students with a desire to pursue environmental careers.
Keck Geology Consortium Twelve geoscience departments working together to improve education through research. They sponsor projects involving faculty and undergraduate students in a collaborative effort to solve geoscience problems.
University of Minnesota, Department of Geology and Geophysics - Here is a list of possible faculty sponsors and research areas, with links to their web pages.