Protesters at the Standing Rock reservation in North Dakota, where people have been camping since April in defiance of the oil pipeline project. Photograph: Stephanie Keith/Reuters (Photo source)
Dakota Pipeline: What's behind the controversy?
Key Moments in the Dakota Access Pipeline Fight
North Dakota Oil Pipeline Battle: who's fighting and why
Dakota Access Pipeline: The Who, What and Why of the Standing Rock Protests
Battle over an Oil Pipeline: Teaching about the Standing Rock Sioux Protests
What to know about Dakota Access Pipeline Protests
Pipeline protests a pipe-dream?
Seeing Sociology: Standing Rock and environmental social movements.
Battle over an oil pipeline: Teaching about the Standing Rock Sioux protests.
Police officers have used teargas against protesters on the Standing Rock reservation. Photograph: Stephanie Keith/Reuters (Photo source)