Video: What is Heavy Fuel Oil? And why is it bad?

The use of heavy fuel oil by ships crossing the Arctic creates the risk of a catastrophic spill – which would be practically impossible to clean up. Worse still, when heavy fuel oil (HFO ) is burned in ship’s engines, the black carbon emitted falls onto Arctic snow or ice. This reduces the reflectivity of the snow, leading to more warming, and increased climate change impacts. The Clean Arctic Alliance is campaigning for a ban on heavy fuel oil from Arctic shipping. Watch the video to find out out more, or visit

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