圆圈内是北极地区拥有石油和天然气资源的区域 The Arctic holds an estimated 13% (90 billion barrels) of the world's undiscovered conventional oil resources and 30% of its undiscovered conventional natural gas resources, according to an assessment conducted by the U.S. ...
World Energy Statistics Data for 2008 except where noted (data shown below is the latest available as of 08/15/2011): Primary Energy Production (2007) 475 quadrillion Btu Oil Coal Gas Hydro Nuclear Other 35% 28% 23% 6% 6% 2% ...