Alaska transportation officials believe there’s a low risk that anyone could be harmed in an outburst, but they say they’re acting swiftly to prevent another road closure.

Germany's most populous state, North Rhine-Westphalia, is in shock. Entire municipalities there have been evacuated, including Heimerzheim, a town of 6,000.

Air quality concerns have extended across the foothills and west-central Alberta including Calgary and surrounding areas.

Caulerpa brachypus, which can spread rapidly and create dense mats, was found in July in Blind Bay and Tryphena Harbour. This was the first time the pest species had been detected in New Zealand.

As temperatures near and surpass triple digits, many reservoirs in California's Central Valley have diverted more water to cities and farmers during the drought, making rivers shallower and too hot for the fish to develop from eggs, a process which can take at least 60 days to complete. To combat the poor river conditions in the Central Valley, some fish preservation organizations have tried to save the salmon population by launching large scale trucking operations to transport millions of salmon to the San Pablo Bay, San Francisco Bay and other fish farms where they are more likely to survive.

West Coast fish and forests are in greater peril than ever as the B.C. government issues widespread drought warnings after a record-breaking heat wave and an explosion of wildfires across the province.

Researchers on an expedition 300 kilometers west of Vancouver Island stumbled upon a group of 25-30 endangered sei whales.

Of the 92 pools of mosquitoes tested, 30 had at least one mosquito that tested positive for California serogroup viruses. There has been one confirmed diagnosis of meningoencephalitis — a severe neurological condition — caused by the snowshoe hare virus. There have been no positive cases yet of West Nile Virus.

The hordes of fish were killed by a red tide, a large "bloom" of toxic algae that appears on Florida's Gulf Coast about once a year. Experts say the bloom shouldn't be happening right now.

Active fires in northeastern Ontario and eastern Manitoba are expected to send smoke across northern Quebec today and Wednesday, Environment Canada said in a special air quality statement posted for each of the region’s 14 communities.

Wildfires on permafrost are ravaging Yakutia - or the Sakha Republic - the largest and coldest entity of the Russian Federation. The scale is mesmerizing. There are some 300 separate fires, now covering 12,140 square kilometers - but only around half of these are being tackled, because they pose a threat to people. The rest are burning unchecked.

Thunderstorms in Northern Alaska over sea ice on Monday sparked rare lightning strikes. The Washington Post reported lightning strikes occurred north of Prudhoe Bay, directly over sea ice, a rare phenomena that occurs once or twice a decade.

A bat in High Park tested positive for rabies on Wednesday, according to Toronto Public Health.

Climate change is keeping temperatures higher in the fall, setting up browntail-moth caterpillars to boom in summer. Their hairs are barbed and hollow and there’s a reservoir of a toxin inside.

The prospects are dim for this summer’s Norton Sound commercial fishing and crabbing seasons.

Gases from the ongoing eruption on Iceland’s Reykjanes peninsula may lead to fewer sunny days this summer, Vísir reports. Eruption gases have been creating a haze in the capital area in recent days and causing discomfort for people with asthma or other lung conditions. Air quality specialist Þorsteinn Jóhannsson says locals should get into the […]

As of Monday evening, no structures had been damaged in the Munson Creek Fire, which was less than a half mile from the popular resort.

Air quality alerts remain in place for several areas in B.C.'s southern Interior on Tuesday as more than 200 wildfires continue to burn through hundreds of square kilometres of the province.

It's been a hot July. In fact, it was the 10th warmest in 120 years.

An extended period of hot, dry weather is affecting the harvest outlook and impacting grain growth. Even the wild berry season, which was off to a good start, may be in peril.