Greenpeace activists scaled and took up residence on the Brent Spar, a disused oil platform to stop its owner, Shell, from dumping the rusting hulk and its highly toxic contents to the sea bed. Shell's planned dump comes just one month before North Sea environment ministers meet in Denmark in June. The activists have food and supplies for what is expected to be a long occupation. The MOBY DICK stood by as a safety vessel. North Sea