160 killed in China-Nepal flash floods; hundreds missing, including 47 Americans

Scores of people were killed Wednesday when flash floods swept through communities along the China-Nepal border. Rescue teams are still trying to locate hundreds more who are still missing in the Himalayan region, including nearly 50 Americans.

Walz signs executive order restricting mining near Boundary Waters

Gov. Tim Walz signed an executive order Tuesday aimed at blocking nonferrous mining near the Boundary Waters, following Congress' move to roll back federal protections for the region.

Sugar-based plastics could offer solution to microplastic pollution

Researchers are investigating new ways to produce plant-based plastics from sugar, aiming to offer a sustainable alternative that could help reduce global microplastic pollution.

First-known freshwater contagious cancer spreading among catfish in Vermont lake

The first-ever transmissible cancer to spread among fish in a freshwater setting has been discovered among brown bullhead catfish in Lake Memphremagog.

Microplastics detected in most heart attack patients' blood in startling new study

Most heart attack patients have significantly higher concentrations of micro- and nanoplastics in their blood compared to individuals with stable heart conditions, new research found.

Wildfire smoke chokes skies in Midwest and Northeast

Smoke from wildfires in Canada and Minnesota is blanketing multiple northern states with smoke and ash, leaving millions of people exposed to dangerous levels of air pollution. 

Trump administration to allow drilling, mining on critical wildlife habitats

The Trump administration is rolling back more protections under the Endangered Species Act with a new policy that will allow drilling, mining and logging on critical wildlife habitats.

3 firefighters die fighting Snyder Fire near Colorado-Utah border

The fast-moving flames of a wildfire burning near the Colorado-Utah border claimed the lives of three firefighters and injured two others who had huddled inside emergency shelters to escape the blaze.

17 states take California to court over plastic packaging rules

A coalition of states is suing California to block a sweeping recycling law, claiming its strict plastic waste regulations would force businesses nationwide to overhaul their products and operations.

Boyle Heights warehouse fire: Crews work for 5th day in responding to 85M pound biohazard threat

Los Angeles Mayor Karen Bass has issued a local emergency declaration as firefighters battle a persistent cold storage warehouse fire in Boyle Heights that threatens a major food-spoiling biohazard crisis.

Solar energy passes coal power on list of largest U.S. electricity sources for first time

The United States hit a clean energy milestone last month as the amount of electricity generated through solar power topped what was made by coal for the first time ever. 

Fowl play: Hundreds of live eggs smuggled as winter coats seized

Hundreds of live eggs that were claimed to be winter jackets were intercepted and seized by border patrol agents this week. 

Ocean Observatories Initiative dismantled by Trump administration: What to know

The Ocean Observatories Initiative, a network of over 900 sensors that track everything from climate change to extreme weather, is being dismantled by the Trump administration.