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On October 25, 2012 AAAS MemberCentral traveled to the University of California at Berkeley to host our lecture series Cutting Edge: Energy. Our four speakers, Paul Alivasatos, director of the Lawrence Berkeley National Laboratory; Henry Shiu, an engineer with the California Wind Energy Collaborative; Belinda Batten, director of the Northwest National Marine Renewable Energy Center; and Kim Magrini, principle scientist at the National Renewable Energy Laboratory, talked about solar energy, wind energy, wave energy and biofuels, respectively. Our host for the lecture was UC-Berkeley's Dan Kammen, director of the Renewable and Appropriate Energy Laboratory. Here is a collection of photos from the event.