NBCNews.com | Greenpeace Protesters Blocking Oil Ship Rappel Down From Portland Bridge NBCNews.com Greenpeace protesters dangling from a Portland, Oregon, bridge lowered themselves to the Willamette River on Thursday, clearing the way for an oil company icebreaker to continue on its way to the Pacific Ocean and then the Alaskan coast. Oil Ship Leaves Portland After Police Force Greenpeace Protesters Off Bridge Portland Is Trying to Stop an Oil Tanker With Kayaks and Canoes Arctic-bound ship leaves Portland after oil drilling protest |