Energy Transfer sues Greenpeace over Dakota pipeline

Energy Transfer Partners LP on Tuesday sued Greenpeace and other environmental groups, accusing them of launching an "eco-terrorism" campaign aimed at blocking the Dakota Access Pipeline, the center of months of opposition by Native American and green groups.The pipeline operator said Greenpeace, Earth First and other organizations engaged in "acts of terrorism" to solicit donations and interfere with its pipeline construction activities, damaging its "critical business and financial relationshi