Light diesel leaked from an oil company facility into Ramfjorden outside Tromsø, and police, fire crews, Kystverket and the acute pollution committee are working to contain it.

A diesel spill in Pond Inlet, Nunavut, resulted in 7,000 litres leaking from a damaged pipeline, with some contaminated soil left in place to maintain structural integrity.

President Vladimir Putin declared a state of emergency last Wednesday, several days after 21,000 metric tons of diesel leaked from a collapsed fuel tank outside the city of Norilsk.The pollution now risks running north into the Arctic Ocean.

While mining giant Nornickel has said the local ecosystem is "satisfactory," environmentalists paint a different picture.

The grounding ruptured one of the tug’s fuel tanks, which can hold around 13,000 gallons of diesel fuel.