FILE - In this Oct. 29, 2019 file photo, opponents of the Keystone XL oil pipeline from Canada demonstrate in sub-freezing temperatures in Billings, Mont. Alberta is investing $1.1 billion in the disputed Keystone XL pipeline, a project that Alberta Premier Jason Kenney says is crucial for the province's economy. (AP Photo/Matthew Brown, File)
April 16, 2020
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April 16, 2020 4:56 p.m.
Tribes press judge to halt U.S.-Canada pipeline as work starts
Native American tribes and environmental groups are pressuring a federal judge to shut down work on the construction of an oil pipeline from Canada to Nebraska less than two weeks after it started