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The LEO Network is a worldwide network of observers and experts that share their observations of environmental change.
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Observations

Spike in salmon shark sightings near Kodiak stumps researchers
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.
Kodiak, Alaska, United States
Alaska Public Media

New Hampshire resident dies after testing positive for mosquito-borne encephalitis virus
A New Hampshire resident's death from EEE prompts concerns over the virus's spread, leading to nighttime outdoor activity bans in Massachusetts towns.
Hampstead, New Hampshire, United States
AP News

Search Called Off, No Tourists Under Ice
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.
Höfn, Southern Region, Iceland
Iceland Review

1 person killed in Ketchikan landslide, multiple homes destroyed
A landslide in Ketchikan resulted in one fatality, multiple destroyed homes, and ongoing emergency responses, following heavy rainfall.
Ketchikan, Alaska, United States
Alaska Public Media

50 Massachusetts beaches closed for unsafe bacteria as residents try to enjoy weekend before Labor Day
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.
Boston, Massachusetts, United States
CBS Boston

Fish and Game searching for wolf that bit 2 people on Dalton Highway
Alaska Fish and Game officials are searching for a rare, potentially rabid wolf that unexpectedly attacked two people on the Dalton Highway.
Fairbanks, Alaska, United States
Alaska Public Media

Glacial flood on Skaftá River - Civil Defence "level of uncertainty"issued
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.
Vatnajökull Glacier
RÚV

Melting Starfish
Starfish wasting observed in Kassan for the first time in several years.
Kasaan, Alaska, United States
Krissy Dunker, Gemini , Donna Aderhold, Kris Holderied, Melissa Miner, Carol Fletcher, Sarah Yoder

Third consecutive Bering Sea storm touches down on Alaska's west coast
Meteorologists say the brunt of the storm is likely headed for the southern edge of the Seward Peninsula.
Nome, Alaska, United States

Red skies over Finland as Canadian wildfire smoke arrives
The smoke particles have already reached high into the atmosphere, so they won't cause health problems or unusual odours. The most colourful sunset is expected on Tuesday evening.
Finland
Yle

Coastal Yukon River faces flood advisory as lower Kuskokwim catalogs flood impacts
Communities along the lower Kuskokwim River and coastal areas in Western Alaska assess damage from recent storms, with flooding and erosion impacting homes and infrastructure, and a new storm potentially exacerbating conditions.
Western Alaska, United States
Sage Smiley, KYUK - Bethel and Evan Erickson, KYUK - Bethel

Erosion continues along Noatak River
High water throughout the summer continues to erode the river bank.
Noatak, Alaska, United States
Richard L Thoman Jr, Gemini , Jeffrey Luther, Crane Johnson

Interior sees record temperatures as former typhoon approaches Alaska
Some temperatures in the eastern Interior hit 90 degrees Sunday, as ex-Typhoon Ampil moves toward Western Alaska this week.
Eagle, Alaska, United States

Concern Over Plummeting Ptarmigan Population
This breeding season for ptarmigans has been the fourth worst on record in northern Iceland, due in part to a June snowstorm.
Northern Iceland
Iceland Review

Another whale swims close to Reynisfjara
RÚV received a video this week that shows a whale just off the beach at Reynisfjara; the second time in about a week. Guðjón Már Sigurðsson, marine biologist and cetacean expert at the Icelandic Marine Research Institute, says the whale swims shallow in a search for food.
Vik, South, Iceland
RÚV

Toxin that causes paralytic shellfish poisoning blamed for Alaska seal deaths
A die-off last year at St. Paul Island, the first compelling case of fatal saxitoxin poisoning in marine mammals, comes as more harmful algae is found farther north
Saint Paul, Alaska, United States
Anchorage Daily News

Tree Rotten or Infested?
A close look at this fallen spruce tree raises questions underlying causes and tree health.
College, Alaska, United States

Blue Jay sighted near Dawson City
Blue jays occur across southern Canada from Alberta east to Quebec and the Atlantic provinces.
Dawson City, YT

High water after many days of rain
Alatna and Koyukuk River water level rise in three days raising concerns for transportation, and community is on emergency flood watch.
Alatna, Alaska, United States

Harmful Algal Blooms Linked to Deaths of Northern Fur Seals in the Southeast Bering Sea
Testing confirmed widespread exposure of saxitoxin in marine mammals and other wildlife. In the study, researchers collected and analyzed data from 10 dead northern fur seals and hundreds of dead, mostly benthic, fish that washed ashore on a popular beachcombing beach on St. Paul Island in August 2024.
Saint Paul, Alaska, United States
NOAA

Employee killed by polar bears at remote worksite off Baffin Island, company says
A worker with a logistics company that operates the North Warning System in Nunavut has died after being attacked by two polar bears on Thursday.
Baffin Island, Nunavut, Canada
CBC

Dead fish in creek near Eagle mine likely killed by cyanide, Yukon officials say
Officials with the Yukon government say dozens of dead fish found earlier this week in a creek near Victoria Gold's Eagle mine were likely killed by a discharge of contaminated water from the mine site.
Mayo, Yukon, Canada
CBC

“Huge disaster”: Historically weak pink salmon runs strain Alaska’s seine fishermen
Skippers in Prince William Sound and Kodiak say this year's pink harvest is one of the worst they’ve ever seen. “I wake up every morning and I try to apply for a different job," one said.
Kodiak, Alaska, United States
Northern Journal

Heatwave hits Nunavut with ‘astounding’ temperatures
A heatwave is hitting Kitikmeot and Kivalliq communities this week bringing temperatures above 30 C (86 F), twice as high as the average temperature for these regions at this time of year.
Baker Lake, Nunavut, Canada
Nunatsiaq News

Alaska's North Slope sees record-breaking heat, among state's other climate oddities
Alaska's North Slope experienced unprecedented heat with temperatures nearing 90 degrees, alongside the state's wettest July and other climate impacts.
Utqiaġvik, Alaska, United States
Casey Grove, Alaska Public Media - Anchorage

Record-breaking rain drenches Anchorage, triggering road closures and a flood advisory
Anchorage experiences unprecedented rainfall, leading to road closures and flood advisories due to overflowing creeks and waterlogged streets.
Anchorage, Alaska, United States
Chris Klint, Alaska Public Media - Anchorage

Sea gulls on the beach not moving
Observers report unusual sea gull lethargy and die-offs on area beaches.
Brevig Mission, Alaska, United States
Racheal Lee, Sarah Yoder, January Frost, Lillian Olanna, Gay Sheffield, Kathy Kuletz

River erosion threatening community water supply
Erosion of the shoreline on Well Island is threatening the water line that connects the village of Noatak to their water supply. The Tribal Health System is coordinating with the federal agencies and state and borough to support water supply needs and repairs.
Noatak, Alaska, United States
Francine Moreno, Christopher Cox, Max Neale, Jeffrey Luther, Chris Dankmeyer, James Benzschawel

Juneau glacial outburst flooding begins; Mendenhall Lake and River set to hit near-record levels
Minor flood stage will begin Monday morning, with flood water expected to crest sometime early Tuesday.
Juneau, Alaska, United States
KTOO

Calgary hail storm the 2nd-costliest disaster in Canadian history after $2.8B in damage
The Insurance Bureau of Canada says a severe hail storm that battered Calgary last month is the second-costliest event in Canadian history.
Northeast Calgary, Canada
Global News

Russia's Republic of Tyva Declares Wildfire Emergency
Authorities in Siberia’s republic of Tyva declared a regional state of emergency due to ongoing wildfires exacerbated by prolonged hot and dry weather.
Tyva, Siberia, Russia
The Moscow Times

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