Cameron M. Smith, 50, a Canadian who wanted to bring more attention to climate change, was also ordered to pay $2.1 million in restitution for damage he caused in the Dakotas.

A Canadian man has been sentenced to 25 years in prison for shootings at an oil pipeline and an electrical substation in the Dakotas after a judge found that his crimes met the definition of terrorism.

A Canadian man who pleaded guilty last fall to shooting at energy facilities in North and South Dakota was sentenced Monday to 25 years in prison.

The company behind an $8.9 billion carbon-capture pipeline proposed for five Midwestern states said Wednesday it wants to indefinitely delay its plans after South Dakota passed a law limiting its ability to acquire land for the project.

The South Dakota Legislature passes a ban on eminent domain for carbon dioxide pipelines, an obstacle for Summit. Will the governor sign the bill?