Leech found on duck near Selawik.

A hazy shade of summer.

An unprecedented belt of brown algae stretches from West Africa to the Gulf of Mexico. The largest bloom of macroalgae in the world, has been dubbed the Great Atlantic Sargassum Belt.

The city is so parched and hot that even a cigarette tossed into a pile of fluffy cottonwood fiber could ignite a fire.

Unusually high abundance of rusty tussock moth caterpillars in the Nome area.

Due to 'extreme fire danger,' all open fires have been banned across much of Yukon, effective immediately.

It was also during the week where a number of dead fish started to occur along the riverine segment.

Hundreds of dead sand lance (Ammodytes hexapterus) found along the shores of White Sands Beach.

"Our temperatures reached 83 degrees, and seem to be getting hotter! We think that maybe the warm water has something to do with the humpy die-off?"

Village wildlife observers worry that the unusual warmth of oceans off Alaska is causing problems throughout the ecosystem.

The science director for Cook Inletkeeper, a nonprofit organization that monitors the health of Cook Inlet, wrote a paper two years ago on what salmon streams might be like in the future with climate change.

A smoke respite room has been set up at Fairbanks Memorial Hospital. The Chandler Room on the first floor will be open 24 hours a day until further notice.

Subsistence families along the Kuskokwim River are cutting open fish to find white balls or white streaks deforming the meat.

In Southeast Alaska this summer, researchers have seen extremely high levels of harmful toxins in mussels and clams plucked from beaches.

Unusually high abundance of caterpillars in the Nome River Valley.

Local residents debated whether a massive release of spruce pollen, which accumulated on every surface—including car bonnets, picnic tables and the nearby Kachemak Bay—amounted to a “golden sheen” or a “yellow scum”. The fine dust turned the surface of the sea the colour of butter and left a bright, lemony line on shore that marked the extent of high tide and gave off a sickly sweet smell. This huge release of pollen might be yet another symptom of a rapidly changing environment.

There’s little relief from the daytime heat in the forecast for the rest of the holiday weekend.

Unusual cone clouds in the air likely produced precipitation that evaporated before reaching the ground, due to unusually warm conditions.

This is the first breeding record for this species in all of Canada.