After a summer that saw high water levels and even higher concentrations of metal in two N.W.T. rivers, water testing is showing a return to normal, and a limited impact on local wildlife.

Khalaktyrsky Beach near Petropavlovsk is littered with hundreds of dead sea animals, from deep-sea Giant Pacific octopuses, to seals, sea urchins, stars, crabs and fish. Surfers were the first to raise alarm after problems with eyesight, fevers and throat aches.

In the pictures, Måøya looks like a pristine natural gem on the coast of Trøndelag. But when scientists and adolescents started digging into the soil, they got shock.

Specialists of Rospotrebnadzor in the Leningrad Region are checking 12 barrels with unknown substance near Lake Voloyarvi.

This was a first expedition by volunteers and activists to rescue seals trapped in plastic rubbish on the island, a breeding ground in the Sea of Okhotsk, off Sakhalin.

The spill of the fuel-water mixture occurred on the Ambarnaya River in Norilsk during the clean up from the consequences of the accident at the TPP-3.

Experts found an airlock in the sewer, which was clogged with garbage and contaminated with oil products.

In the Usin district of the Komi Republic in Russia, there was an oil spill due to the damage to the pressure pipeline.

The volume of spilled aviation fuel near the village of Tukhard in the Krasnoyarsk region has more than doubled, to 44.5 tons, the press service reported.

Finland says the low concentrations of radioactive material found in air samples pose no danger.

According to preliminary data, the source of pollution is the storm sewer collector operated by the Khimvodostok Municipal Unitary Enterprise.

Invisible for humans, but detectable for radiation-filters. A cloud with tiny levels of radioactivity, believed to originate from western Russia, has been detected over Scandinavia and European Arctic.

The Arctic Sounder - Serving the Northwest Arctic and the North Slope

A prolonged heatwave in Siberia is “undoubtedly alarming”, climate scientists have said. The freak temperatures have been linked to wildfires, a huge oil spill and a plague of tree-eating moths.

About a month ago, residents of St. Lawrence Island found a patch of oily, white goo on the beach, along with some dead sea birds covered in the substance.

Toxic fuel from 21,000 ton leak reaches pristine lake, bypassing floating booms, as rivers of diesel pollution cover-up is exposed.

The exact reason of the leak is yet to be established, but a statement from Norilsk Nickel company, which operates the site suggests it could have been caused - worryingly - by collapsing permafrost.

Hunters in Pond Inlet, Nunavut, say that iron ore dust from the Mary River Mine is discolouring the land around Milne Inlet, deterring animals and making it hard to get clean water when people are camping.

The Icelandic coastguard coordination centre yesterday received a red oil pollution warning from the European Maritime Safety Agency. The warning was accompanied by a satellite image showing an oil slick some 50 nautical miles southwest of the Reykjanes peninsula.

The source of the spill, a drain area about a quarter-mile uphill from the coastline, was stopped on Monday, authorities reported. And oil on the water has been contained to a site near a small boat harbor at the terminal where tankers load up with oil.