Trudeau approves contentious Trans Mountain pipeline expansion

Construction to start this year, Canadian prime minister says, despite opposition from environmental and Indigenous groupsCanada’s prime minister Justin Trudeau has once again approved a hotly contested proposal to expand the crude oil pipeline it bought last year, providing hope for a depressed energy industry but angering environmental and Indigenous groups which have fiercely opposed the project.Construction on the expansion of the Trans Mountain pipeline is planned to start this year,