The warm periods are linked with storms that penetrate into the Arctic from the Atlantic and Pacific oceans, and bring the temperature up by as much as 30 C in the middle of winter.

The dozens of wildfires burning in the West are a symptom of our increasingly variable climate.

As wildfires continue to rage in B.C., there's no rain relief in sight

In other parts of the West, evacuation orders were lifted in Colorado and Montana towns threatened by wildfires

British Columbia has declared a state of emergency and thousands have been evacuated.

Temperature records were broken around the province with Vernon breaking an 111-year-old record

Taxpayers are staring at a $4.5-million-plus bill to repair everything from eroded trails to disappearing beaches to flooding streets.

Wildfires burned through thousands of acres of Great Plains farm and ranch land in the 1980s. Today, wildfires are likely to char millions of acres. The

High winds blasted across south-western Finland Friday, cutting electricity to customers. The rare June storm peaked on Friday afternoon.

Female resident killed in Novosibirsk by falling tree as freak weather continues to grip Siberia.

For the third day in a row, Phoenix has broken a daily high temperature record.

The state is currently mapping the potential risk for landslides in Sitka. This time next year, the Sitka Assembly will be presented with a community-wide map. Listen now

Dozens of flights out of Phoenix, Arizona, have been cancelled because of extreme heat.

You won't need any reminder that it's summer in the national park. The heat wave that's settled over the Southwest has already brought 120-degree readings, which will likely be surpassed this week.

American Airlines has canceled 38 flights in and out of Phoenix on Tuesday afternoon because of extreme heat.

Because this extreme heat will last for several more days, the floodwaters aren't going away anytime soon. The higher the truck, the better for residents evacuating flooded homes in the River Bend RV Park.

Summer rain affecting subsistence food preservation.

Thanks to warming winters and thawing permafrost, Arctic soil microbes are churning out carbon dioxide well after the end of the growing season ends. This extra source of atmospheric carbon may accelerate a regional warming trend that is already twice as fast as the global average.

The fall of a climber into a crevasse highlighted this season's risky combination of crumbling snow bridges and splintered climbing teams.

A team of scientists had to abandon an expedition from Quebec City to Churchill, Man., on Sunday because of hazardous ice conditions caused by climate change.