Late freeze on the Lower Kuskokwim produced ice conditions unsafe for travel in November.

The rapidly warming Arctic is no stranger to loss. Climate change is gradually claiming some of its most iconic features, from melting glaciers in Greenland to shrinking sea ice in the ocean.

Officials press forward with emergency plan following string of collapses at Del Mar bluffs.

Ice conditions on the Yukon have changed since the 1980's. Now, open water is more common in spots along the river, which impacts winter travel.

Anglers in Aklavik, N.W.T., are trying to figure out why there was a shortage of fish in local hotspots this year.

Littoinen Lake made headlines in 2017 when it was chemically treated because it was overwhelmed with phosphorous and algae. Now there is a new problem.

Red tide has contributed to or is suspected in the deaths of nearly 190 manatees so far this year.

For 300 years, glacial runoff was the major water source for Kluane Lake, flowing in by way of the Slims River. But in May 2016, Kluane Lake levels dropped precipitously. The problem was a case of "river piracy" — incredibly rare, and hugely significant. The terminus or end of the Kaskawulsh glacier had receded enough that a glacial lake that fed the Slims River suddenly drained when the glacier outflow found a new direction to a new river.

During Thursday’s Ketchikan City Council meeting, City Manager Karl Amylon said that Ketchikan Public Utilities started switching back and forth between hydro and diesel a few weeks ago, but starting Oct. 15th, extremely low lake levels meant switching completely to diesel.

Large bull kelp (Nereocystis luetkeana) bed near the 1st channel marker, which used to attract sea otters, has disappeared.

Sea foam collecting on the beach where it is not normally seen.

The Tongass Forest in southeast Alaska, a temperate rain forest, is experiencing record-low precipitation and severe drought conditions, impacting community hydroelectricity production.

Toxic blue-green algae were found in record levels in Southampton’s Lake Agawam earlier this month, capping a summer during which a dozen South Fork lakes and ponds were closed due to high levels of the harmful bacteria.

Set against the austere peaks of the Western Brooks Range, the lake, looked like it was boiling. Its waters hissed, bubbled and popped as a powerful greenhouse gas escaped from the lake bed.

The Martin County Sheriff’s Office believes a toxic algae bloom is to blame for killing one dog and making six others sick.

Heavy spring precipitation leads to strong river flow, sweeping away cabin and fish rack.

Plans are underway for raising the weir: a reflection of widespread concern, says Ken Traynor

Stantec engineering designed the plans for pumping water from the Apex River to Lake Geraldine, the city's reservoir, which has lower water levels than in years past.

Sockeye salmon are migrating up B.C.'s Fraser River right now, but the water is so warm the fish may die before they have the chance to spawn.