CBC Radio’s What on Earth travelled to Yukon this summer to explore how a warming climate has threatened chinook salmon, endangering not just the species but a cultural keystone for some Indigenous communities.

"Grayling guts with unknown pearl like cyst or tapeworm. Never seen this before in our grayling."

With a bleak salmon return this year in Northwest Alaska, a lifelong fisherman reflects on a season marked by empty nets and big questions.

Orcas are starting to show new feeding behaviors around large trawler nets. They’re trying to steal fish caught in nets that are typically being hauled back. Scientists aren’t sure why orcas are doing this, but it’s dangerous for them because it increases their chances of getting caught in the net and dying.The problem is so bad that some fishermen have decided to skip fishing for black cod this year.

Boats that were moored in Ísafjörður, broke away from their berths yesterday in gale force winds.There was a strong sea current in the Westfjords as the storm hit; roof panels were damaged and rescue teams were called out.

An unusually mosquito-free summer in Anchorage, Alaska, despite wet conditions, has prompted discussions among local observers and experts, with no clear correlation found between weather patterns and mosquito activity. Although the numbers and timing are locally influenced, similar observations were shared from Fairbanks and Chistochina.

The N.W.T.'s Department of Environment and Climate Change and the Canadian Coast Guard tested samples from various locations in the area. The results showed no toxins present.

Heavy rains and melting glaciers are making landslides in the area more common, says a geologist.

Warm summer days lasted all August along the coast to the Barents Sea, from Hammerfest in the west to Kirkenes in the east. The latter is now experiencing the warm weather to last into September with several days reaching maximum temperatures up to 20 degrees Celsius (68 F).

The article discusses the potential economic impact of permafrost melting in Russia's Arctic zone, estimating damages could exceed 10 trillion rubles by 2050 due to infrastructure collapse and other issues.

For the first time, snow has completely disappeared from Uttarakhand's Om Parvat, a significant change noted last week.

Researchers are puzzled by an increase in salmon shark sightings near Kodiak, with unclear links to king salmon declines and insufficient data on shark populations and movements.

A New Hampshire resident's death from EEE prompts concerns over the virus's spread, leading to nighttime outdoor activity bans in Massachusetts towns.

The search for tourists believed trapped in a collapsed Icelandic ice cave has ended, revealing all were accounted for; experts criticize year-round tours as unsafe.

A landslide in Ketchikan resulted in one fatality, multiple destroyed homes, and ongoing emergency responses, following heavy rainfall.

Over the past few months, the Mass Department of Public Health, working with the Department of Recreation and Conservation, has deemed dozens of water locations throughout the state closed due to high bacteria levels.

Alaska Fish and Game officials are searching for a rare, potentially rabid wolf that unexpectedly attacked two people on the Dalton Highway.

The glacial flood, or jökulhlaup, is the first from the western cauldron in almost three years. This is considered to be a significantly lengthy break.

Starfish wasting observed in Kassan for the first time in several years.

Meteorologists say the brunt of the storm is likely headed for the southern edge of the Seward Peninsula.