The $3.7-billion pipeline that became a rallying cry for tribes across America

Native American protests of an oil pipeline under construction in North Dakota began this spring with a handful of people praying in a makeshift camp on a nearby Indian reservation.

Months later, after legal wrangling, celebrity endorsements and, most importantly, the arrival of thousands more Native Americans to join the opposition, the issue has exploded into one of the most contentious and high-profile environmental battles in the nation. It involves climate change, tribal rights, the energy economy and jobs. It also wades into delicate issues of how Native Americans have been treated by the federal government for years.

What is the Dakota Access pipeline?

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