Why air quality is worse at different times of day and how you might be violating city code with your leaf blower.

The tragedy came after several days of dire warnings about the dangers of river travel due to an unusually early warm-up. Search and rescuers crawled onto weak ice, open water all around, to help retrieve the survivors.

Two four-wheelers carrying five men leaving Bethel broke through needle ice on the upper end of Church Slough on Sunday night. Two of the men died, while three others were treated for hypothermia in Bethel.

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

The winter resupply road between Yellowknife and the Northwest Territories' three working diamond mines has succumbed to this week's warm weather.

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.

A late start means the community of just over 130 must rely more heavily on air transport, which adds to the cost of goods brought in town.

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.

An agency in Colorado that tracks avalanches hiked its danger level to "extreme" for a swath of the state, the highest level on its scale.

Crews are working to free multiple cars that are trapped by an avalanche on Highway 91 near Copper Mountain, the Colorado State Patrol has confirmed.

The snow began falling in early February and hardly let up until the last day of the month, setting records at local ski resorts and causing havoc across the

Storms affecting most of the country, particularly Southeast and East Iceland, have damaged property and put travellers in danger. According to the Icelandic Met Office, storm conditions are expected to continue into the evening. Residents and tourists alike are advised against travelling in the affected areas. Search and rescue called out Search and rescue teams […]

Extreme winds from a huge weekend storm over the Great Lakes pushed huge walls of ice on the shores of Lake Erie.

A warm winter storm leads to sea ice loss and flooding of homes in Western Alaska. "Damage to the foundation of the homes is all I think happened, besides wet clothing and a few things on the floor."

Leads appeared following a warm storm, in areas with usually stable, shorefast ice. The leads separate many crabbers from their pots, and are illustrative of how Norton Sound's recent erratic sea ice patterns are altering subsistence opportunities and patterns.

Snow may have fallen at the lowest elevation ever observed in the state.

The state rail company VR has said that it will substitute buses on some of the cancelled rail trips.