Steven Chu, the new secretary of energy, said Wednesday that solving the world’s energy and environment problems would require Nobel-level breakthroughs in three areas: electric batteries, solar power and the development of new crops that can be turned into fuel.
Dr. Chu, a physicist, spoke during a wide-ranging interview in his office, where his own framed Nobel Prize lay flat on a bookcase, a Post-it note indicating where it should be hung on the wall.
He addressed topics that included global warming, renewable energy sources like solar and wind power, the use of coal and a proposed repository for nuclear waste at Yucca Mountain in Nevada.
Dr. Chu said a “revolution” in science and technology would be required if the world is to reduce its dependence on fossil fuels and curb the emissions of carbon dioxide and other heat-trapping gases linked to global warming.
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