22:32World Business ReportFirst broadcast 2017/11/20 22:32 GMT: US State Approves Keystone PipelineBBC World Service Duration: 27 minutes Mon 20th Nov 2017, 22:32 on BBC World Service Americas and the CaribbeanAvailable for over a yearListen nowNebraska's approval clears the way for the controversial project to progress. Show more GenresFactualMoneyFormatsBulletinsBrandWorld Business Report Source: BBC Online