Four Senate Democrats who once backed the controversial Keystone XL pipeline have switched their position amid changing climate politics.

On his first day in office, President Biden canceled a permit for the 2,000-mile oil pipeline that would have run from Alberta in western Canada through to Texas. The move, part of a day-one climate change executive order, has drawn harsh backlash from Republican lawmakers and even some Democrats who say the cancellation will kill thousands of construction and energy jobs.