Public health officials say two people in Southern California people have come down with dengue fever without traveling outside the United States, where the mosquito-borne illness is rare.

Storm Ciara has weakened but flood warnings remain in place in Wales and other parts of the UK, with heavy rain expected to cause further flooding and disruption.

An unprecedented outbreak of sea lice in Tálknafjörður has led to the loss, or the need to dispose of, at least one million salmon. “Nobody has seen anything like this before. There is a Norwegian veterinarian who has been working in Iceland because of this and he has never seen anything like this in his 30-year career,” Karl Steinar observed.

Alaskans are taking advantage of rare ice skating conditions on alpine lakes in Chugach State Park, with hundreds of people hiking into the backcountry to skate on smooth ice in the shadow of iconic peaks.

Train services between Inverness and Wick in Scotland have been disrupted after a sea wall protecting the railway line was damaged by stormy weather and high tides, with engineers currently assessing the extent of the damage.

Erratic temperatures led to the absence of tomcods, severely affecting local fishing.

Hurricane 'Otis' caused 27 deaths and 3 missing persons in Guerrero, Mexico, with severe damage to infrastructure, including roads, hospitals, airports, and the electrical grid. It is unusual for this type of phenomenon to occur. It is not normal for tropical cyclones to be storms and intensify to category 5 in a period of 12 hours.

Invasive Elodea has been observed since 2020.

Hunters in Central Southeast Alaska have reported a record harvest of 141 bulls during the month-long moose hunt, surpassing the previous record of 132 bulls set in 2021, with the majority of the harvest occurring on Kupreanof Island. A couple decades ago, there were very few of them in the region — and the hunt was almost entirely relegated to the mainland. But over the years, he said he’s seen more moose cropping up on remote islands.

A rabid skunk in Cambridge, Ontario has prompted a public health warning to avoid contact with wildlife, as one person has already been exposed and received medical attention.

Elodea found on and near Eielson Airforce Base

Invasive elodea decade history in the Chena slough with mitigation and persistent infestation.

Shifting seasons and hotter temperatures could allow Alaska farmers to grow more abundant and diverse produce. But climate change can also bring drought, pests and permafrost thaw.  Human-caused climate change is bringing longer and warmer growing seasons, but also pests and unstable weather.

The H5N1 strain of avian flu has been detected on a poultry farm in Chilliwack, British Columbia, marking the first confirmed case in the province this fall and prompting increased precautions among poultry farmers.

Two cases of Highly Pathogenic Avian Influenza (HPAI) have been confirmed in Pocahontas and Guthrie counties in Iowa, but the U.S. Centers for Disease Control and Prevention (CDC) states that there is no public health concern.

Authorities say at least seven people have been killed after a “superfog” of smoke from south Louisiana marsh fires and dense fog caused multiple massive car crashes involving 158 vehicles.

Coastal communities in the Northwest Territories of Canada were hit by a weekend storm, causing high winds and massive waves that led residents to scramble to save boats and cabins from being washed away.

Several hundred reindeer drowned in Porsanger during their migration from summer to winter pastures, causing significant loss for the district and prompting the local government to offer crisis support to affected reindeer owners.

El Bosque, a Mexican fishing village with a population of 400 people, is being swallowed by rising sea levels, and experts predict that the entire village could be underwater within a year, leaving residents displaced and without adequate housing alternatives.

David Kuptana, an elder and full-time harvester said ice should be forming around his home on Victoria Island this time of year — but instead, temperatures have been hovering around zero and it's been raining.