Physicist Steven Cowley is certain that nuclear fusion is the only truly sustainable solution to the fuel crisis. He explains why fusion will work — and details the projects that he and many others have devoted their lives to, working against the clock to create a new source of energy. (Recorded at TEDGlobal, July 2009, Oxford, England. Duration: 9:55)
Watch Steven Cowley’s talk on TED.com, where you can download this TEDTalk, rate it, comment on it and find other talks and performances from our archive of 500+ TEDTalks.