Reuters | Trump takes aim at US environmental regulations to boost oil sector Reuters Trump said he would pull the United States out of the U.N. global climate accord, approve the Keystone XL oil pipeline from Canada and rescind measures by President Barack Obama to cut U.S. emissions and expand protections for U.S. waterways. Shale oil industry a 'Ponzi scheme' or can it boom again? To Trump, is oil just another commodity? Trump seeks to ease suspicion in oil country |