R2D2 has helped many brave Jedi pilot their starships, making him a crucial friend to the Greenpeace ship, the Esperanza, on its mission to stop Arctic oildrilling.
Semi-submersible platform, drillingship and other floating drilling devices are mostly used to drill in the deep-sea oil development.
深海石油开发大多采用半潜式平台、钻井船等浮式钻井装置进行钻井作业。
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Arctic whales are at risk from increasing offshore oildrilling and shipping activity as areas become ice-free, which heightens threats from oil spills, ship strikes and noise.