As many allergy-sufferers across Finland may have already suspected, birch pollen levels were very high on Wednesday, according to the University of Turku.

City a ‘smoky hell’ as hill on opposite side of Amur River is in flames while driver films inferno on train track.

Washington state Gov. Jay Inslee proclaimed a state of emergency Saturday for counties in the eastern part of the state

Passenger experiences usually turbulent conditions on winter flights.

Agassiz broke a record that goes back more than 100 years

In the midst of B.C.'s record-breaking wildfire season, the heat from four fires triggered huge thunderstorms that sent smoke flying into the stratosphere, eventually spreading through the entire Northern Hemisphere.

Climate change will make for more frequent wild swings in California weather, with both more extremely dry and extremely wet years and 'weather whiplash' in between.

For a few decades now, retired surgeon Jon Reiswig has lived with a perplexing oddity: the water in front of his North Douglas home constantly bubbles.

Not only is pollen is beginning to spread, but road gravel dust and studded tyres grinding the tarmac can also cause particulates that cause breathing difficulties. There are a few ways to deal with the dust, however.

So far in 2018, there have been three climate and weather disasters that have cost $1 billion or more.

New research led by U of T Mississauga geographer Igor Lehnherr provides startling evidence that remote areas in Canada's Arctic region—once thought to be beyond the reach of human impact—are responding rapidly to warming global temperatures.

Many residents of Ulan Bator, Mongolia, use coal-burning stoves during the winter months when staying warm is a matter of survival. But the pollution is hazardous to their health.

The storm dropped more than a foot of snow overnight in some places, making for a messy Thursday morning commute. And the nor’easter isn’t gone yet.

Monitors picked up a small explosion and ash cloud from Mount Cleveland volcano on Friday morning.

Arctic temperatures are warmer than ever recorded in February.

The Finnish Meteorological Institute has issued a warning of very cold temperatures from Monday afternoon to Wednesday morning, February 26 to 28.

In the depths of the long night that cloaks the Arctic in frigid darkness for three months each winter, a surprising patch of open water appeared, just to the north of Greenland.

Rough seas and moving sea ice.

From rising temperatures preventing take-off to rising seas flooding runways, aviation needs to adapt to changes already grounding flights around the world