“It’s good to have a framework,” said WWF marine manager Simon Walmsley. “But how can you guarantee that those rules are adhered to? The risk is absolutely huge. One oil spill of a decent size will knock out so much in the Arctic. If you have a heavy fuel oil spill there are no recognised methods to clean under ice or during 24 hours of darkness. There is no response.”

http://www.theguardian.com/environment/2014/nov/21/polar-code-agreed-to-prevent-arctic-environmental-disasters