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.

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.

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.

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.

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.

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.

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.

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.