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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

Whitehorse saw driest June in nearly a century
Whitehorse recorded its lowest June precipitation since records began in 1941, leading to extremely dry conditions but stopping short of an official drought.
Whitehorse, Yukon, Canada
CBC News

Avian Influenza suspected on Buldir Island
Researchers on Buldir Island have discovered dead and sick seabirds, including crested auklets and black-legged kittiwakes, exhibiting symptoms consistent with Highly Pathogenic Avian Influenza, such as unusual behavior and hemorrhages, marking a concerning event in this remote Aleutian location.
Buldir Island, Alaska

Where's all this smoke coming into Yellowknife from?
Smoke drifting into Yellowknife on May 29, 2025, mainly originated from wildfires in Alberta, with additional smoke forecast from northern British Columbia, according to FireSmoke Canada projections.
Yellowknife, Northwest Territories, Canada
NNSL Media

Tomtasjön north of Uppsala is back – after 165 years
Tomtasjön, a lake north of Uppsala drained in the 1860s, has been restored to a 40-hectare waterbody. Landowners, with support from the County Administrative Board and EU funds, excavated the basin, and wildlife is now thriving.
Uppsala, Uppsala County, Sweden
SVT Nyheter

Bears in the backyard: Sightings on the rise in southwest Finland
A brown bear was filmed running through downtown Loimaa after emerging from the Loimijoki River, one of several recent sightings in Southwest Finland this spring.
Loimaa, Southwest Finland, Finland
Yle News

Geologist on the situation in the Lötschental: "Tidal waves and debris flows could threaten"
A massive landslide from the Birch Glacier in Blatten has created a debris cone threatening nearby villages with potential tidal waves and debris flows, as the glacier's movement could lead to further catastrophic events.
Blatten, Valais, Switzerland
Schweizer Radio und Fernsehen (SRF)

Heavy rains bring landslides, flooding to Ketchikan
Heavy rains in late May triggered multiple small landslides in Ketchikan, Alaska, blocking roads and damaging a home but causing no injuries.
Ketchikan, Southeast Alaska, United States
Alaska Public Media

It's devastating: Saskatchewan hunting camp captures bears fleeing wildfires
A family-run hunting camp in northern Saskatchewan faces potential total loss as two major wildfires merge, with trail cameras capturing bears fleeing the flames.
Northern Saskatchewan, Saskatchewan, Canada
CTV News

Unusually Warm Current North of Iceland
A spring survey by the Icelandic Marine Research Institute recorded a sea surface temperature of 7.8 °C at Siglunes—3.2 °C above the 1991–2020 average—and found unusually warm, saline water flowing onto the northern continental shelf.
Siglunes, Northwest Iceland, Iceland
Morgunblaðið

Evacuation order issued in northern Alberta as wildfire rages
A fast-moving, out-of-control wildfire north of Swan Hills, Alberta, prompted a full evacuation order Monday as strong winds and high temperatures fueled the blaze.
Swan Hills, Alberta, Canada
CBC News

Old Crow, Yukon, residents evacuated to local school return home as flood risk decreases
Residents in Old Crow, Yukon were evacuated to a local school early on May 24 after Porcupine River levels rose sharply, but returned home later the same day as flood risk diminished under an ongoing evacuation alert.
Old Crow, Yukon, Canada
CBC News

Dead whale near Yakutat
A dead grey whale was discovered near the mouth of the Akwe River, raising concerns about a possible ship collision due to increased marine traffic from cruise ships and fishing boats in the area.
Mouth of Akwe River

Tsunami warning after magnitude 6 earthquake strikes off Crete coast in Greece
Crete, Greece earthquake today: Tsunami warning after magnitude 6 earthquake hits coast
Crete, Greece
The Independent

Unusual catch in Pangnirtung: Student angler harvests polar bear
During a Grade 11 outdoor education fishing trip near Pangnirtung on May 22, a student unexpectedly harvested his first polar bear after the animal repeatedly approached their campsite.
Pangnirtung, Nunavut, Canada
Nunatsiaq News

Reykjavík Just Misses May Temperature Record
Reykjavík’s temperature yesterday came within half a degree of the city’s May record amid warm, dry, and bright conditions, with similar weather expected until rain arrives Thursday.
Reykjavík, Capital Region, Iceland
Vísir

Snow clearing resumes in Iqaluit after blizzard shuts down city
After a blizzard knocked out power for six hours and closed city facilities, crews have resumed snow clearing in Iqaluit, though residents are advised to stay off the roads.
Iqaluit, Nunavut, Canada
Nunatsiaq News

Shifting Dominance in Ponderosa Pine Forests
An environmental impact assessment near Okanagan Lake reveals an unexpected shift from Ponderosa Pine to Douglas Fir dominance, attributed to fire suppression and climate change, challenging traditional forest dynamics.
Kelowna, British Columbia, Canada

Whale species never before seen in B.C. washes up on Vancouver Island
A young Bryde’s whale washed up dead in Port McNeill Bay on northern Vancouver Island, marking the first known sighting of this warm-water species in B.C. waters.
Port McNeill, British Columbia, Canada
CTV News

Spill of treated water reported at Red Dog Mine in Northwest Alaska
Up to 1,000 gallons of water used in mining operations reached a creek and tundra, as an estimated 400,000 gallons spilled into containment areas and a gravel road.
Red Dog Mine, Alaska, United States
Anchorage Daily News

Risso's dolphins observed near Juneau
An unusual sighting of Risso's dolphins near Benjamin Island.
Benjamin Island, Alaska
Barb Lake, Barbara Mahoney, Bruce Wright, Michelle Dutro

Wildfires Tear Across Russia's Far East
Authorities in Buryatia have declared a state of emergency as rapidly spreading wildfires, blamed on human activity, devastate the Zabaikalsky region and the Republic of Buryatia, producing heavy smoke and burning homes.
Buryatia, Siberia, Russia
The Moscow Times

Yesterday was a terrible day: Lac du Bonnet wildfire leaves cottages, homes destroyed
A fast-moving wildfire near Lac du Bonnet, Manitoba forced multiple evacuations and destroyed several homes and cottages, as fire crews and water bombers work to contain the blaze.
Lac du Bonnet, Manitoba, Canada
CTV News

Monday heat in Winnipeg breaks 67-year record
Winnipeg hit a record daytime high of 35.2 °C (95.36 F) on May 12, 2025, shattering a 67-year-old May 12 temperature record amid Canada’s first heat wave of the year, Environment and Climate Change Canada reports.
Winnipeg, Manitoba, Canada

Wildfires in Zabaikalsky Region Spread Rapidly Amid Strong Wind and Dry Weather
Strong winds and dry weather are fueling rapidly spreading wildfires across Russia’s Zabaikalsky region, with over 456,000 hectares burning and firefighters racing to protect populated areas.
Zabaikalsky region, Far East Russia, Russia
The Moscow Times

Avalanche near Byron Glacier Trail
On Sunday afternoon, a family on the Byron Glacier Trail in Portage Valley, Alaska captured footage of a large wet springtime avalanche that sent debris down into the valley floor. No one was injured.
Portage Valley, Alaska, United States
Alaska's News Source

Algal Bloom in the North: Up to 1 Million Dead Fish
An algal bloom in Northern Norway dominated by Chrysochromulina and Phaeocystis has caused massive fish die-offs in recent weeks, with up to one million farmed fish reported dead around Astafjorden.
Ibestad, Troms, Norway
NRK Troms og Finnmark

Tree pollen counts in Anchorage are the highest they’ve been in almost a decade
Anchorage is experiencing the highest tree pollen counts in nearly a decade, with counts reaching thousands of grains per cubic meter from birch, poplar, cottonwood, aspen, willow, and alder, triggering widespread allergy symptoms.
Anchorage, Alaska, United States
Alaska Public Media

Mass death of seabirds, seals, and sea otters, abnormal behavior in eastern Hokkaido
Since mid-March, seabirds and marine mammals that appear to have been infected with highly pathogenic avian influenza, which has a high fatality rate, have been confirmed on the eastern coastline of Hokkaido. 　Volunteers are conducting their own surveys in Nemuro City, and as of the 4th, a total of 614 dead seabirds, seals, and sea otters have been confirmed.
Hokkaido, Japan
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