Obama cancelled the Keystone project in late 2015 after environmentalists campaigned against the project for more than seven years. “America is now a global leader when it comes to taking serious action to fight climate change, and frankly, approving this project would have undercut that leadership,” he said at the time.
https://www.theguardian.com/us-news/2017/jan/24/keystone-xl-dakota-access-pipelines-revived-trump-administration










