Background Articles

For the fourth year in a row, weekly summer water quality tests show that most Ketchikan beaches have elevated levels of bacteria that could make people sick. That happened this year even without dozens of cruise ships sailing through the Inside Passage and discharging wastewater.

Decline in system underpinning Gulf Stream could lead to more extreme weather in Europe and higher sea levels on US east coast.

Landscape in far-northeastern corner of B.C., a broad swath of muskeg and boreal forest shaped by sporadic islands of permafrost, is warming

In the village of Seyakha on the Yamal Peninsula, from last November from 60 to 80 thousand reindeer have died. The animals, on which the survival of the indigenous people depends, cannot get food - the lichen is covered with an ice crust. What is the reason and why the locals are dissatisfied with the support of the authorities?

Researchers predict a tripling of thunderstorms by the end of the century, which could lead to heavier rainfall and flash flooding, landslides and more lightning-sparked wildfires.

Researchers observe declines in sockeye salmon diversity of the Skeena River, British Columbia. Populations that have returned to their spawning grounds for years are at risk of dying out.

Following a nuclear-powered icebreaker, a Russian tanker has sailed through the frigid Northern Sea Route for the first time ever in February. “Won’t somebody think of the poor ice?”, climate-conscious commenters shouted.

China is just one of many countries in the Northern Hemisphere experiencing an extremely cold winter due in part to both the tropical Pacific and the Arctic, according to an analysis of temperatures from Dec. 1, 2020 to mid-January of 2021.

William Twardek, a Carleton University PhD student who's been studying Yukon River chinook salmon, says his four-year research project has found that some fish simply can't make it past the fish ladder to reach their spawning grounds.

The particularly dangerous strain of avian influenza virus H5N8 has been detected in a mute swan found on the Kopli peninsula in Tallinn.

A new study has found evidence connecting the rapid warming of the region with a physical decline in three species of Alaska seals.

The man pretended to play dead during the attack and the bear ran away, a wildlife biologist said. He sustained injuries to his head and arms but troopers said he was in stable condition Monday.

As old-growth logging in B.C. continues, conservation organization creates detailed map showing original forests in B.C. have all but disappeared.

On Sunday torrents of water, rock and dust hurtled down a mountain valley in the Uttarakhand state of Northern India. A Himalayan glacier broke below 7,816-metre Nanda Devi, India’s second-highest peak, sweeping away a small hydroelectric project and damaging a bigger one further downstream. One hundred to 150 people were feared dead.

There is a unexplained trend with sea otter carcasses on the beaches in Katmai National Park and Preserve. Many of the dead animals appeared to be in their prime.

The port is expected to strengthen national security in the Arctic, given its strategic location on the Pacific Rim. The port is also expected to reduce shipping costs and make access to cargo and fuel cheaper for Western Alaska communities.

A meeting of the Yukon River Panel focused on a surprising discrepancy between measurements at two different sonar stations. This could mean fish are dying or being miscounted, or that harvesting is going unreported.

Researchers with the National Oceanic and Atmospheric Administration believe they have identified a new species of whale in the Gulf of Mexico. The Rice's whale is a filter feeder that can grow to 42 feet. It's also critically endangered. There are believed to be fewer than 100 of them left.

Sweden is to build up to a dozen bridges so reindeer can safely cross railway lines and major roads in the north of the country as global heating forces them to roam further afield in search of food.