Dallas-based Energy Transfer and its subsidiary Dakota Access allege trespass, nuisance, defamation and other offenses by Netherlands-based Greenpeace International and its American branch, Greenpeace USA. The lawsuit also names the group’s funding arm, Greenpeace Fund Inc.

An attorney for Energy Transfer claimed it was "a day of reckoning," while Greenpeace attorneys said there was no evidence to prove the pipeline owner's claims.

A Texas-based company claims the environmental advocacy group tried to delay construction of the Dakota Access Pipeline with protests.