It is one of the top three priorities of the French Presidency of the G20. The European Commission has been devoting a communication and an expert report to them since 2008. They managed to unite 37 industrialists and chambers of commerce to send a letter to the G20 on 3 November. They are worrying the Pentagon and are on the agenda of Congress. They are making the fortunes of savvy investors, with share prices multiplied by a factor of three for companies that will be able to exploit them in ten or fifteen years' time.