Energy Transfer, which owns the Dakota Access Pipeline, is seeking $300 million, a sum that Greenpeace says could bankrupt the storied environmental group.

An attorney for a Texas pipeline company says he will show at trial that various Greenpeace entities coordinated delays and disruptions of a controversial oil pipeline’s construction in North Dakota a

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.