KGO Radio News interviews Earth Sciences Professor Gregory Croft about safe and reliable energy sources in the aftermath of the devastating tsunami in Japan and that country's current crisis with the damaged Fukushima Daiichi nuclear reactor. A specialist in energy resource estimation, Croft's work has included assessments of global oil and coal resources and research into the economic realities of producing liquid fuel from coal.

Listen to KGO News Radio's interview with Greg Croft about safe and reliable energy.