Background Articles

It was a remarkably cold winter across the high Arctic, at least compared to the abnormally mild winters in many recent years, but the weather pattern has reversed this spring.

Winters are getting shorter and summers are getting longer, a new comparison shows. In most regions of the U.S. and Canada, summer is about 6-10% longer and winter is about 7-11% shorter. In Alaska, winters are about 30% shorter than they were just a lifetime ago.

Unhealthful air quality is plaguing the region.

Feather, fur or fin, all creatures contend with viruses.

Even those athletes of our rivers, Atlantic salmon, usually aren’t as healthy as they look.

A study of tissue samples taken from 150 Atlantic salmon found 14 separate infectious

The monthly temperature for the entire country in February was 4.0 degrees above normal, and the month became the 7th wettest in the series dating back to 1900.

The Northeast Pacific Marine Heatwave of 2019 was the second longest-lasting and second-largest such event recorded over the past 39 years, according to NOAA.

It was warmer and wetter last year than national averages, the Finnish Meteorological Institute reports.

Bark beetle experts say a recent cold snap has likely killed some spruce beetle infestations in northern B.C.

The average statewide temperature for the year was 32.2 degrees Fahrenheit, the National Oceanic and Atmospheric Administration reported Wednesday. That breaks the previous record for the warmest year statewide, set in 2016 at 31.9 degrees.

BRUNY ISLAND, TASMANIA (WASHINGTON POST) - Even before the ocean caught fever and reached temperatures no one had ever seen, Australia's ancient giant kelp was cooked.. Read more at straitstimes.com.

Alaska’s Arctic landscape is under assault from a warming climate, and it’s happening a lot faster than anticipated.

Hunters say grizzly bears are showing up in growing numbers on islands of the Beaufort Sea.

Temperatures across the Arctic have been warmer than usual this fall, with one community in the Northwest Territories recording above-average temperatures for 72 days in a row.

Open water has become the November norm in the Chukchi Sea northwest of Alaska. Instead of thick, years-old ice, researchers are studying waves and how they may pummel the northern Alaska coastline.

NOAA Fisheries' summer trawl survey shows Norton Sound red king crab are moving, Arctic cod numbers have dropped significantly, and Pacific cod are continuing to increase as the Northern Bering Sea ecosystem undergoes drastic change.

The fast-warming Sea of Okhotsk, wedged between Russia and Japan, is a cautionary tale of the far-reaching consequences when climate dominoes begin to fall.

For half a century, Taku had been the one known Alaskan glacier to withstand the effects of climate change – until now.

Regulations have lowered mercury emissions globally, but the risks to ocean ecosystems and human health may be getting worse.

Regulations have lowered mercury emissions globally, but the risks to ocean ecosystems and human health may be getting worse.

As we rolled into November, scientists discovered last month was the warmest October on record globally.