Unusually heavy rains in Lapland have caused water levels to rise near flood levels, and further rises will depend on temperatures over the next few days, with climate change being a contributing factor.

Some try to be creative to avoid reindeer driveways. But this is not something the Norwegian Public Roads Administration wants.

Warm temperatures bring novel rain event in Northern Sweden.

There are no records to indicate the last time there was such a radical temperature change in a 24-hour period.

Grass and forest fires are proving difficult to contain in Finnish Lapland, and now several fires on the Russian side of the border are moving into Finland.

Finland's ski centres are coping with shorter, milder winters by making and storing snow – costly short-term solutions that may worsen the problem in the longer term.

Up north highs were up to 2 degrees warmer than average, while central and southern regions of Finland were up to 3 degrees warmer.

In just seven years, as much as one-third of the mountain-birch forest in the North Calotte region was severely defoliated by two moth species. Researchers now have a better understanding of what happened.

Herders are struggling to find thousands of reindeer that have run away in search of food. "We are driving for hours and hours to locate our reindeers and to herd them back, but it has been very difficult in these wintry conditions. So, we are also using helicopters and this is very unusual - and very expensive too."