Greenpeace’s Fight With Pipeline Giant Exposes a Legal Loophole NYT | Top Stories By: Karen Zraick 17 December 2025 at 22:00 A court filing by a group with deep ties to the pipeline company Energy Transfer raises questions about the growing use of amicus briefs in litigation. © Nati Harnik/Associated PressEnergy Transfer pipes for the Dakota Access Pipeline in a staging area in Worthing, S.D., in 2015.