One of the main winter highways in the Northwest Territories turned into a swamp this week following unseasonably high temperatures.

Deteriorating conditions on the Mackenzie Valley Winter Road have prompted the Northwest Territories government to close the winter highway for the season.

The NWT broke a symbolic temperature barrier as a heatwave continued. There were warnings over ice roads and spoiled meat, and questions about climate change.

Despite daytime closures, evening events expected to happen on schedule this week.

Warm ocean temperatures are keeping ice thin, which become easily moved by the wind. This ice movement separates commercial and subsistence crabbers from their gear, and have led to the loss of both crabbing and mining gear.

Thousands of years old ice disappears all over Norway. Dag Inge Bakke (42) is among those struggling to save the frozen archive of the past.

The winter holiday offers 15 degrees (C) of heat and spring flowers.

In Etne in Hordaland, 30.4 degrees of heat were measured at 15 today. Never has it been so hot so late in the year in Norway.

Very strong south winds took out all the sea ice and created an ice pile in front of the village.

For safety dogs and mushers will be trucked from Braeburn to Carmacks.

One ecologist wonders, for the yellow cedar forests and the people who care about them, what comes after climate change and environmental loss in Southeast Alaska?

Some species have experienced a much greater decline than average. For the snowflake in Scandinavia there is talk of approx. 35 percent, patchwork 25 percent.

Mills in the heart of Canada's timber industry have fallen quieter this winter as wildfires and infestations made worse by climate change have made vast tracts of once valuable forest into barren stands of dead trees.

Thousands of smelts were found dead during low tide in the Togiak slough. Is there an environmental cause?

Anglers in Aklavik, N.W.T., are trying to figure out why there was a shortage of fish in local hotspots this year.

The death toll in the Camp fire in Northern California rose to 63 Thursday as President Trump planned to visit California to meet with people impacted by the wildfires in what marks his second trip to the state since his election.

The skin lesion in the photo is likely caused by a stress-related bacterial infection – possibly trauma initiated. Probably common opportunistic bacteria in the environment such as motile Pseudomonas/Aeromonas Gram-negative organisms.

Odd time of year for seals to be eating herring.

The two whales were spotted just 10 minutes outside of Pond Inlet, surprising local guides and scientists, who say it's a sign of shifts in the ecosystem.

Many mature Sitka spruce trees dying off from French Beach south into Sooke along waterfront. Many dead partway up and needles thin.