For the first time since records began, the Laptev Sea has not yet formed sea ice by the end of October. Scientists attribute the lack of ice to early summer warming and an extreme heatwave in Siberia, as well as warm Atlantic currents flowing into the Arctic.

The reindeer owners feel they had to choose. Pay expensive fines or move with the reindeer across the river even if the ice was too thin. On Saturday, a thousand reindeer went through the ice in Vuorašjávri, a mile east of Kautokeino municipality in Finnmark.

When glaciologist Jack Kohler returned to Austre Brøggerbreen in Svalbard, he was shocked. More than three meters of the ice at the glacier front had melted away. That's a record. And an ice tunnel had become a trench.

An exceptionally warm air current from the southeast has kept days and nights unseasonably mild in southern and central Finland since last week. Meanwhile the north of the country has been shivering with rain and temperatures in the single digits. The highest reading in decades was recorded in Kokemäki, southwest Finland.

The thermometer at the main visitor centre in Þingvellir National Park went all the way down to –9.6°C last night and meteorologists confirm that is one of the coldest temperatures ever recorded in a built-up area at this time of year—and could even have been a new record.

The glaciologists from Moscow came too late to see the MGU glacier in the North Ural.

The multinational company that operates the Red Dog Mine in Northwest Alaska says that thawing permafrost linked to global warming has forced it to spend nearly $20 million to manage its water storage and discharge.

At least 88 waterspouts or funnels were spotted across the Great Lakes this week, setting a new world record, according to the International Centre for Waterspout Research (ICWR).

Personnel from Spokane County Fire District 3 and the state Department of Natural Resources were working to contain the fires on Monday, while a record-breaking heat wave threatened to maintain ample supplies of dry air and fuel.

The extended heat wave will continue through the week, according to the National Weather Service.

Death Valley may have recorded Earth's highest temperature in 90 years. Data show it is also be among the top three highest temperatures ever measured in Death Valley.

Salmon rivers like the Exploits River were closed to anglers around the province by the Department of Fisheries and Oceans earlier this week because of low water levels.

It lost more than 40 per cent of its area in just two days at the end of July, researchers said on Thursday.

After days with record heat at Svalbard, the penetration of water from the above melting glacier is now flooding Norway’s only operating coal mine that supplies the country’s only coal-power plant.

Temperatures are expected to remain above 80 degrees for the rest of the week.

It was hotter today on Svalbard than in the Norwegian capital, Oslo. So much so, that the previous temperature record from 1979 was smashed.

Gallery | The forest fires have covered an area larger than Greece and are emitting black smog that harms nearby populations.

Photos of Yugorsk and other cities showed residential buildings fuzzy under a blanket of white smog.

Conditions will heat up with every passing day and weekend highs will be in the 20s across the country.