The environmental protection organization Greenpeace was protesting off the Wadden Sea islands of Schiermonnikoog and Borkum on Tuesday against the planned extraction of natural gas in the North Sea. Five demonstrators climbed from rubber dinghies onto the drilling platform about 20 kilometres north of the Dutch island of Schiermonnikoog and tied themselves to its support legs, Greenpeace said on Tuesday. Greenpeace said German and Dutch environmentalists are involved in the action. They are protesting against a planned natural gas extraction by the Dutch company One-Dyas. A Dutch court later …