President Barack Obama has vetoed a bill that would lead to the construction of the Keystone XL

President Barack Obama has vetoed a bill that would lead to the construction of the Keystone XL 1,400 km pipeline that would bring oil from Alberta to join up with pipes in Nebraska that run to Texas. The pipeline has polarized positions, with Republicans and supporters saying it would create jobs, and Democrats and environmentalists saying it would contribute to carbon emissions and global warming. It’s the third veto from the president, but it may not stop the project, with Republicans contemplating other ways to embed Keystone in other legislation that the president may not wish to block, reports U.S. news publications.