This years Nobel Week Dialogue programme has the title Exploring The Future of Energy. The programme can be seen here http://www.nobelweekdialogue.org/programme/programme/. This one day meeting is held in Gothenburg, Sweden, but by signing up for the meeting one can register for the webcast transmission of the event. There are quite a few well known physicists participating in the panel discussions, like Steven Chu, Carlo Rubbia, David Gross and Chris Llewellyn Smith.
http://www.nobelweekdialogue.org/panellists/