Sea — Ports and national waters — Freedom of navigation — Vessel discharging waste at sea — Interference with vessel by environmental group — Whether such interference justified in the public interest — Remedies against such interference

Jurisdiction — Territorial — International environmental group — Whether regional organizations distinct and separate entities — Greenpeace environmental group — Action by Greenpeace on the high seas and in foreign territorial waters against vessel discharging waste at sea — Whether Netherlands branch of Greenpeace subject to restraining order preventing it from carrying out similar action in the Netherlands

Environment — Maritime — Discharge of noxious waste at sea — Action intended to alert public opinion to dangers — Use of violence to interfere with discharge operations — Jurisdiction of municipal courts — The law of the Netherlands