Commercial oyster farmers now send samples of their products to state regulators every week during the selling season so they can test for toxins that cause paralytic shellfish poisoning.

Southwestern Mexico braced for heavy rain and mudslides after Polo became a major hurricane. Forecasters warned another system headed for Hawaii could cause catastrophic flooding later in the week.

Glacial floods are increasingly dangerous around the world.

Indigenous communities around the world are using traditional knowledge to respond to floods, fires and drought.

In Juneau this summer, a dozen bears were feasting on a landfill in the city. Another bear crawled into a hotel via the window.

Hurricane Polo has grown into one of the most powerful Pacific cyclones in decades, and it was expected to skirt Mexico's southwestern coast as a Category 5 storm.

Scientists have found a species they've named the fire amoeba, which is capable of reproducing at 145°F and continuing to move up to temperatures of 147°F — a record for complex eukaryotic life.

Every summer for the past 15 years, a glacial lake in the mountains outside of Juneau has burst through the ice dam that holds it back. At first, the floods downstream on the Mendenhall River were barely noticeable. Then, something changed.

Residents in Louisiana near SpaceX's next launch site are concerned about the project's impact on the environment and say they were kept in the dark about the deal.

Heavy storms, melting permafrost and steep slopes have forced residents of Alaska to grapple with the growing risk of landslides.