text: Citing climate concerns, he has refused to permit construction of the Keystone XL pipeline, and blocked or delayed Alaskan, western state and offshore oil and gas leasing and drilling. He's proud that US oil production has climbed 58% and natural gas output has risen 21% since 2008. But he doesn't mention that this is due to hydraulic fracturing on state and private lands; production has actually fallen in areas controlled by the federal government, and radical environmentalists oppose fracking all over the USA.