The workshop included several plenary sessions, as well as two concurrent tracks: Climate Change Impacts on Hydrology and Water Resource Management; and Adaptive Management and Engineering: Information and Tools. The agenda is provided in Appendix B. These proceedings include summaries of each of the presentations, as well as the discussion sessions. Where available, hyperlinks are provided to each of the presentations on the EPA Web site. For each session, hyperlinks to the transcript of the presenters remarks are provided (with the exception of concluding remarks in Chapter 7). Appendix C includes biographies for the speakers and moderators.