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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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Lake Metacomet algae bloom prompts concern
BELCHERTOWN — A potentially harmful algal bloom in Lake Metacomet has officials recommending residents stay out of the water until the growth clears. “Basically, I’m advising people to avoid or minimize contact with the water,” said Erica Cross,...
Lake Metacomet, Massachusetts, United States
Daily Hampshire Gazette

Gov. Rick Scott issues state of emergency for Martin, St. Lucie counties over toxic algae
Gov. Rick Scott's state of emergency could help local officials battle the toxic algae.
Saint Lucie County, Florida, United States
TCPalm

Mayflies, algae both part of the game for Lake Erie walleye anglers
Anglers has expressed concerns that this early-arriving green slime signals the end of what was viewed as the summer of plenty for walleye fishermen.
Toledo, Ohio, United States
The Blade

Lake Okeechobee discharges stopping for 9 days; scope of algae bloom ‘enormous’
Officials hope a 9-day break from Lake Okeechobee releases into the St. Lucie Estuary will allow a saltwater recharge to help keep algae at bay.
Okeechobee, Florida, United States
Palm Beach Post

Ecosystems across Australia are collapsing under climate change
Australia has seen an unprecedented number of widespread, catastrophic transformations in response to extreme weather events.
Australia
The Conversation

Mini Algae Blooms Arrive Earlier, Larger Than Normal
Mini algae blooms are a regular occurrence in the western basin of Lake Erie. They pop up early in the season and usually dissipate before...
Lake Erie, United States
Cleveland Scene

Algal bloom spreads to more of Utah Lake
More of Utah Lake is infested with cyanobacteria, or blue-green algae, which can contain toxins harmful to people and animals.
Spanish Fork, Utah, United States
KSL.com

Arctic river turns red again
Red water - nickel processing plant says cause is decades of contamination in Soviet times which company is working to overcome.
Норильск, Красноярский край, Russia
Siberian Times

Morris Cove Creek and Ocean Disconnection
An obstruction has disconnected Morris Cove from ocean waters, preventing salmon from moving upstream.
Dutch Harbor, Alaska, United States

Contiguous U.S. had its warmest May on record
Each state was warmer than average, record precipitation in the East
United States of America
National Oceanic and Atmospheric Administration

Huge chunks of ice afloat in northern B.C. lake, as glacier retreats
Atlin-based helicopter pilot Jamie Tait says a kilometre-long piece of ice recently broke off the Llewellyn Glacier, at the south end of Atlin Lake.
Atlin, British Columbia, Canada
CBC

Wasatch Mountains are Snow Free in June
Wasatch Mountains near Payson, Utah are snow-free about a month earlier than normal.
Payson, Utah, United States

Mysterious, Brain-Like Blob Found in Lagoon
Scientists are unsure if warming temperatures are causing the bizarre invertebrates to spread.
Lost Lagoon, Vancouver, British Columbia, Canada

In maps: Houston and Texas flooding
Maps and graphics show the extent of the devastating flooding caused by Hurricane Harvey in Houston and Texas.
Houston, Texas, United States
BBC News

Harvey's Impacts Outside of Houston: Flood Emergency Ongoing in Port Arthur, Texas
Harvey has been devastating beyond Houston. Here's the latest.
Port Arthur, Texas, United States
The Weather Channel

Giant Wrymouth (Cryptacanthodes giganteusin)
Jakolof Bay, Alaska, United States
Kris Holderied, Stephen Payton, Mandy Lindeberg

Levee breached in Texas amid 'epic and catastrophic' Hurricane Harvey flooding
The storm is not expected to relent until Wednesday afternoon.
Columbia Lakes, Texas, United States
ABC News

Floods In South Asia Have Killed More Than 1,000 People This Summer
For the past several weeks, monsoon-triggered floods have devastated regions in Nepal, Bangladesh and India. This week, a new series of storms has brought everyday life in Mumbai to a near halt.
South Asia
NPR.org

How Climate Change Likely Heightened Harvey’s Fury
Several factors have conspired to make Hurricane Harvey so destructive in Texas, and warming temperatures are likely part of the problem.
Houston, Texas, United States
National Geographic

How Climate Change Is Shaping the Floods of Harvey - The Atlantic
“Local rainfall amounts of 50 inches would exceed any previous Texas rainfall record. The breadth and intensity of this rainfall are beyond anything experienced before,” said a statement from the National Weather Service. “Catastrophic flooding is now underway and expected to continue for several days.”
Texas Coast, Gulf of Mexico, United States
The Atlantic

Hurricane Harvey was fueled by record heat in the Gulf of Mexico
Study calculates energy Harvey took from the ocean, shows human role.
Gulf of Mexico
Ars Technica

'Historic Devastation' ahead from Hurricane Harvey
The remnants of Harvey re-intensified into a hurricane on Thursday, and it may become a major hurricane by Friday.
Corpus Christi, Texas, United States
The Weather Network

On Thin Ice in Peru
Human adaptation to climate change there is not going well
Lake Palcacocha, Ancash Region, Peru
Omaha World Herald

Permafrost Melt Causing River Erosion
Severe permafrost thaw and erosion along Koyukuk River banks.
Allakaket, Alaska, United States

Human influence in the Amazon's third 1-in-100 year drought since 2005
Deforestation and climate change appear to be amplifying droughts in the Amazon
Amazon River
the Guardian

New Jersey-Size Dead Zone Is Largest Ever in Gulf of Mexico
Scientists report the latest data from the Upper Gulf of Mexico, and the results aren’t good.
Northern Gulf of Mexico
National Geographic

110 salmon counted on Salmon River; tribe says new research could lead to protections
Another troubling sign of the poor state of this year's Pacific Ocean salmon runs was discovered on one the Klamath River's tributaries after an annual fish survey counted the second lowest number of spring-run Chinook salmon on record.
Salmon River, California
Eureka Times-Standard

Local rivers possible solution for Iqaluit's imminent water shortage
While it researches long-term solutions, Iqaluit is looking at small fixes, like flexible pipe connectors, to stop pipes from breaking and leaking.
Iqaluit, Nunavut, Canada
CBC News

Meat industry blamed for largest-ever dead zone in Gulf of Mexico
A new report shows toxins from suppliers to companies like Tyson Foods are pouring into waterways, causing marine life to leave or die
the Guardian

Homeowners see dead wildlife in Tinker Creek from chemical spill
Fallout continued Sunday after Saturday's chemical spill into Tinker Creek.
Hollins, Virginia, United States
WSLS

Heavier Rainfall Will Increase Water Pollution in the Future
Researchers anticipate harmful nitrogen outputs to increase as a result of precipitation changes.
New York Bight
National Geographic

Weird Jelly on Tube Worms
Tube-Dwelling Worms on Seldovia Beach
Seldovia, Alaska, United States

As low Nushagak River restricts barge travel, New Stuyahok limits heating fuel
Koliganek and New Stuyahok are still waiting on their first barge of the year. Heating fuel use for residents and businesses in New Stuyahok is limited.
New Stuyahok, Alaska, United States
Alaska Public Media

The Arctic is full of mercury, and scientists think they know how it's getting there
The remote Arctic tundra may seem like the last place on Earth human pollution should be causing a problem — yet it’s filled with mercury contamination.
Toolik Field Station, Alaska, United States
The Washington Post

Family watches in horror as cabin is swept away by river in Alaska
A family in Alaska watched in horror as their beloved cabin (pictured) that was built in the 1940s was swept away by the Matanuska River over the Fourth of July weekend.
Matanusak River, Alaska, United States
Mail Online

Lake Ontario levels are falling – but damage costs are rising
Taxpayers are staring at a $4.5-million-plus bill to repair everything from eroded trails to disappearing beaches to flooding streets.
Bayfront Park, Hamilton, Ontario, Canada
TheSpec.com

Plenty of water? Canadian Arctic communities on the verge of running out
Looking at a map of Arctic Canada, it seems there are literally thousands of lakes and rivers, yet many Arctic communities are facing water shortages or threats of shortages to come.
Iqaluit, capital of Nunavut Territory, will be facing that problem in the very near future.
Andrew Medeiros (PhD)
Iqaluit, Nunavut, Canada
Eye on the Arctic

Algae bloom prompts warning to avoid part of Okanagan Lake
The Okanagan Indian Band is advising residents to not enter or consume water from the north arm of Okanagan Lake until further notice due to a toxic algae bloom.
Vernon, British Columbia, Canada
CBC News

Western Greenland could see more flooding like Saturday's tsunami
A 300-metre wide, 1,000-meter high rock slid into the sea causing the initial wave and more of the rock face is unstable.
Nuugaatsiaq, Qaasuitsup, Greenland
CBC News

Extreme heat keeping Kings River at flood levels
Because this extreme heat will last for several more days, the floodwaters aren't going away anytime soon. The higher the truck, the better for residents evacuating flooded homes in the River Bend RV Park.
River Bend RV Park, Minkler, California, United States
ABC30 Fresno

Spring Peepers Frogs (Pseudacris crucifer) Make Mating Calls in February
Trafalgar, Indiana, United States

Phytoplankton Have Turned The Bosphorus A Stunning Turquoise
When conditions are right, phytoplankton populations can grow explosively. And the ones blooming in the Black Sea right now are reflective, turning the usually dark water bright and milky.
Karakoy Neighborhood, Istanbul, Turkey
NPR.org

Squid Found in Seldovia Bay
Squid are occasionally found in the area, but not very often.
Seldovia, Alaska, United States

Iqaluit could start running out of fresh water by 2024
Without action, the supply of fresh water in Iqaluit will begin to dwindle by 2024 due to climate change and increased demand, new research has found.
Iqaluit, Nunavut, Canada
ScienceDaily

Climate change and low water sinks popular Yukon fishing derby
The Kluane Lake Fishing Derby won't happen this Canada Day weekend, because organizers say it's become too hard to launch a boat. The lake's water level has dropped significantly, since a retreating glacier stopped feeding the lake with melt water.
Kluane Lake, Yukon Territory, Canada

Record flooding levels on Okanagan Lake
Kelowna, British Columbia, Canada

Idaho mosquitoes test positive for West Nile
BANNOCK COUNTY -- Mosquitoes infected with the West Nile Virus have been discovered in eastern Idaho, health officials warned Friday.
Brannock County, Idaho, United States
KTVB

Drying Ponds and Buttercups
I went to gather some yesterday and there was no water to speak of; in a pond that's has been filled with water my whole life.
Hooper Bay, Alaska, United States

Fraser River sockeye salmon at lowest numbers since records began in 1893
“The exact reasons why the return fell at the lower end of the forecast range are unknown at this time, but poorer than average marine survival is a leading candidate.”
Fraser River, British Columbia, Canada
Georgia Straight Vancouver's News & Entertainment Weekly

Lots of Lake Weeds
A problem for outboards.
Aleknagik, Alaska, United States

River Erosion
River erosion along the Yukon River near..?
Yukon River, Alaska, United States

Huge Thaw Crater
Downriver from Arctic Village
East Fork Chandalar River, Northeast Interior, Alaska, United States
Carter Brubaker, Vladimir Romanovsky, Ray Hander, Richard L Thoman Jr, Janet Jorgenson

Blue-green Algae in Fraser Lake
There is unusual abundances of blue-green algae on West end of Fraser Lake.
Fraser Lake, BC, Canada

DEC looks into whether drums in village's drinking water lake pose any hazards
State and North Slope Borough officials say Point Lay’s drinking water lake was wiped out by the nearby Kokolik River, which flooded and eroded the lake banks.
Point Lay, Alaska, United States

Rains Cause 1000 Year Flood
Six inches of rain fell in a three hour period.
Ellicott City, Maryland, United States

Matanuska River erosion prompts warning to Butte residents
Portions of the Matanuska River’s banks near Butte were “beginning to show signs of breeching” Sunday night, leading Mat-Su Borough officials to ask that area residents prepare for potential evacuations.
Butte, Alaska, United States
Anchorage Daily News

Green Algae In Lake
Unknown species of green algae in a lake near Kongiganak.
Kongiganak, Alaska, United States

High Lake Temperatures
Warm temperatures come early this year.
Spring Park, Minnesota, United States

Warm Sea Surface Temperatures in Great Bear Sea
Ocean Falls to Bella Bella, British Columbia

2 Your Health: What to do if you get Swimmer's Itch
When temperatures are warm enough, it's a time many Alaskans take their families out swimming. Sometimes the fun comes along with an annoying rash known as 'Swimmer's Itch.'
Anchorage, Alaska, United States
KTUU

Early Breakup Causing Lots of Change
Early breakup brings early arrivals.
Lower Kalskag, Alaska, United States

Large Goldfish (Carassius auratus) populations in two stormponds
Okotoks, Alberta, Canada

Pink Salmon (Oncorhynchus gorbuscha) Die-off, Jakolof Creek
Drought and high temperatures have dried the creek and caused thousands of pink salmon and Dolly Varden to die before they could spawn. The event raises questions about vulnerability of area salmon streams to climate change, and for local residents food security.
Jakolof Creek, Alaska, United States
Michael Opheim , Stephen Payton, Ryan Brubaker

Summer of Slime (Freshwater Algae)
Low water, warm temperatures and our seasonal waterfowl population are factors we think are contributing to the unprecedented algae and weed growth in the lake at the the Alaska Native Health Campus.
Anchorage, Alaska, United States

Low Water In Area Rivers
Low water on area rivers
Nome, Alaska, United States
Jacob Martin, Scott Kent, David Streubel, Ed Washburn, Michael Sloan

Increased Algal Activity in West Bragg Creek Pond
West Bragg Creek Pond, Alberta, Canada

Low Water at Mouth of Klamath River
Causing muted tidal influence
Klamath, California, United States
Micah Gibson, Mike Brubaker, Paul Van Mechelen, Joe Hostler

Drought
6/17/15 Drought - Anchorage, Alaska, USA
Anchorage, Alaska, United States

Rotten Smell and Mushy Sockeye Salmon (Oncorhynchus nerka) and Pacific Halibut (Hippoglossus stenolepis)
Mushy meat texture, and rotten smell found in sockeye salmon and pacific halibut.
Meshik River, Alaska Peninsula, Alaska, United States

Bittersweet Nightshade (Solanum Dulcamara)
Delta, British Columbia, Canada

BC Peace River Region - 2014 Drought
Dawson Creek, British Columbia, Canada

Koyukok River Erosion
7-15-14 River erosion - Evansville, Alaska, USA
Evansville, Alaska, United States

Muddy River Raises Salmon Concerns
Thawing permafrost and river bank collapsed on the Cheenik Creek.
Golovin, Alaska, United States

Ice dam break suspected as cause of Rabbit Creek flooding
Rabbit Creek jumped its banks Friday morning on the Anchorage Hillside, washing over a bridge and prompting police to knock on doors asking people inside to evacuate.
Anchorage Daily News

Low River Level
6-8-13 Low water level - Shaktoolik, Alaska, USA
Shaktoolik, Alaska, USA

Erosion Disrupts Swallows
6-3-13 Erosion disrupts swallows - Evansville, Alaska, USA
Evansville, Alaska, United States

Invasive Crawfish on Nose Creek
Airdrie, Alberta, Canada

High Water on the Kobuk River
A normal daily river level here is about 46', so we are nearly eight (8') feet above normal.
Kiana, Alaska, United States

Extreme High Water on Noatak River
Extremely high water on the Noatak
Noatak, Alaska, United States

Best sockeye return in 100 years
Fisheries Minister Gail Shea is crowing about the opportunities with the 2010 return of sockeye to the Fraser river, calling it a  banner year for Fraser River sockeye salmon. This year's return is currently set at just over 25 million fish, one of the highest returns in the last hundred years. Several fishery openings for Fraser River sockeye have already occurred in 2010 and more are planned, she said.
Fraser River, British Columbia, Canada
Ha-Shilth-Sa Newspaper

Heat wave across Interior
6-17-12 Heat wave across Interior - Galena, Alaska, USA
Galena, Alaska, United States

Matanuska River erosion threatens more homes
ANCHORAGE, Alaska - Swollen with recent rains, the Matanuska River has launched another erosive assault on properties along its banks. But unlike previous years, when the river attacked properties downstream,
Matanuska River, Alaska, United States
Fairbanks Daily News-Miner

Alaska salmon may bear scars of global warming
With a sickening thud, another hefty and handsome salmon lands in the waste barrel, headed for the dogs .
Tanana, Alaska, United States
latimes.com

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