UCSD Division of Physical Sciences presents a discussion on global warming and the prospects of a hydrogen economy. The featured speakers are: Joseph J. Romm, executive director of the Center for Energy and Climate Solutions and author of The Hype About Hydrogen - Fact and Fiction in the Race to Save the Climate; and Franklin M. (Lynn) Orr, Jr. professor of petroleum engineering and project director of the Global Climate and Energy Project at Stanford University. (#9129)