Hal Harvey discusses the urgency of mitigating climate change as well as how to craft and implement approaches to the problem that achieve results, and the costs of delaying action. (June 2, 2010)

Johannes Lehmann discusses the characteristics of naturally occurring terra preta including its agricultural and carbon sequestering benefits and then turns to considering the factors involved with implementation industrial biochar systems.(May 19, 2010)

Gregory Jaczko provides an impartial overview of the current regulatory environment for the maintenance and construction of large-scale nuclear power facilities in the United States. (May 18, 2010)

Joe Paluska discusses the recent efforts of electric vehicle service provider Better Place to establish highly serviceable fleets, including battery-switchable taxis, in tests markets in Japan and Denmark. (May 12, 2010)

Burton Richter discusses the role of nuclear power in the future world energy portfolio and the United States in specific by framing the problems of proliferation, waste disposal, pollution, and safety. (May 5, 2010)

Margot Gerritsen discusses the recent upswing in the development of large-scale solar projects, with elaboration on fast-track projects, the political, economic and financial barriers to implementation, and utility integration. (April 28, 2010)

Tom Jaramillo discusses technical advances in nano-materials that enable the direct production of hydrocarbon, alcohol, and hydrogen fuels from sunlight, water, and atmospheric CO2. (April 21, 2010)

Tom Turrentine discusses recent anthropological research on changes in consumer behavior in response to the recent rapidly growing and changing alternative-fuel vehicle market. (April 14, 2010)

Lee Schipper leads a panel of guest speakers assembled from the automotive industry and academia in a free-ranging discussion of current and future developments in consumer-scale alternative power transport. (April 7, 2010)

Sherif Marakby discusses recent technological advances made by Ford Motor Company in the realm of vehicle electrification, including hybrids, plug-in hybrids and full-battery electric vehicles. (March 31, 2010)