Oceans

The company trying to reopen the controversial Tulsequah Chief Mine, upstream from Juneau, is being taken over by an investor. An environmental cleanup may be left to the British Columbia government.

Thousands of vessels move through Alaska’s waters every year. If something goes awry, their cargo and fuel could end up in the ocean. Cleanup efforts for past groundings near Unalaska have proven difficult and costly. But how ready is the state for disaster?

A European green crab was found in Puget Sound. The crab is an invasive species that could have profound impacts on the areas foodweb.

Researchers have been working since 2009 on an inventory of fish found in the Beaufort and Chukchi Seas. The compendium details 109 fish found in the area, including 20 species new to the region.

The Crystal Serenity cruise ship is making a 32-day voyage from Anchorage to New York City. Meanwhile, the potential environmental impact of a journey of that scope has some worried.

Scientists are trying to learn how to prevent botulism in seal oil, a main ingredient in many traditional Alaska Native foods.