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. 

Keystone Pipeline hit with proposed massive multi-million dollar fine

A proposed legal settlement with the U.S. government would require the Keystone Pipeline system’s operator to pay a $26.9 million civil penalty over a major oil spill in Kansas in December 2022.

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.

Potomac River fish kill: Thousands of dead fish found; officials say no link to sewage leak

Thousands of dead and dying fish were found along a several‑mile stretch of the Potomac River upstream from the massive sewage pipe rupture that sent millions of gallons of raw waste into the river in January.

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. 

Emergency repairs to begin on deteriorated Potomac Interceptor section

DC Water is accelerating emergency repairs on a deteriorated section of the Potomac Interceptor to help protect downstream drinking water infrastructure.

Loudoun Co. fights Dominion Energy over proposed transmission lines near schools

A dispute is growing in Loudoun County, VA, over Dominion Energy’s proposed Golden-to-Mars transmission line, as residents and officials cite concerns about nearby schools and neighborhoods.

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.

Trump announces $700M coal initiative using Defense Production Act

President Donald Trump invoked the Defense Production Act on Thursday to order federal support for coal-based plants and projects.

Gallery: Latest fountain of lava breaks record at Hawaiian volcano

When lava shot into the air at Hawaii’s Kilauea volcano, the fountaining set a new record for the volcano which has been erupting for more than a year.