Oil-smudged Greenpeace activists await the arrival of 18 CEOs from some of the world?s biggest oil companies to a meeting with EU energy commissioner Günther Oettinger and environment commissioner Janez Potocnik. The activists support Oettinger'?s proposal to introduce a de facto moratorium on deep-sea drilling in European waters until investigations into the causes of BP's spill in the Gulf of Mexico have been completed and regulations adapted to take account of risks.