Agence France-Presse: After unleashing an energy revolution in the United States, shale gas and oil are now becoming energy game-changers worldwide, a break with the past whose ramifications are still unclear.
Thanks to the advent of hydraulic fracturing technology -- used to extract oil and gas locked in sedimentary shale rock -- the United States is on track to become the world-number-one oil producer by 2017 and a net exporter by 2030, according to the International Energy Agency (IEA).
Besides radically changing...