Louisiana saltwater intrusion declared federal disaster

Salt water from the Gulf of Mexico has moved further up the Mississippi, threatening drinking water in communities that rely on the river for fresh water.

Lego scraps efforts to make toys out of recycled bottles

Denmark’s Lego says it remains committed to its quest to find sustainable materials to reduce carbon emissions, even after an experiment by the world’s largest toymaker to use recycled bottles did not work.

Billions exposed to harmful smoke pollution over past 2 decades, study says

On average, people were exposed to 9.9 days per year to some form of smoke pollution that could be potentially harmful to their health, the study said.

Ormond Beach says it will fight proposed fuel tank farm

People packed into an Ormond Beach city meeting to speak out against a proposed fuel tank farm near their neighborhoods.

Watch: NOAA scientists find mysterious, shiny orb-like object on seafloor

Video from NOAA shows the vessel’s remotely operated arm carefully "tickle" the object before picking it up and sucking it into a vacuum-like tube.

NASA releases first images from pollution-monitoring satellite in space

NASA has shared this week the first images from TEMPO, the agency’s first space-based instrument designed to continuously measure air quality over North America, and do so with the resolution of a few square miles.

Why fall season should actually begin on September 1

The calendar says autumn begins on Sept. 22, but 'climatological' or 'meteorological' fall starts 3 weeks earlier.

Loss of Antarctic ice hurting survival of emperor penguin chicks, study says

The loss of ice in one region of Antarctica last year likely resulted in none of the emperor penguin chicks surviving in four colonies, researchers reported Thursday.

Pennsylvania study suggests links between fracking and asthma, lymphoma in children

Researchers in heavily drilled Pennsylvania are adding to a body of evidence suggesting links between the natural gas industry and certain health problems.

Colorado River cuts: Western states will not lose as much water in 2024

The U.S. government in 2021 announced cuts that hit Arizona particularly hard. Last year, those cuts grew more severe thanks to continued drought, poor precipitation and less runoff from the river’s Rocky Mountains source.

New lawsuit aims to protect Florida's gopher tortoises: ‘We're killing them at an alarming rate’

Gopher tortoises are in trouble, and a new lawsuit is fighting for greater protection. The animal is being pushed out of its home with a surge in development and that could have lasting impacts on the ecosystem.

‘Mother nature sending a message’: NASA tracks warmest July since 1880

Temperatures are reaching new heights. Last July was the hottest on record, according to new NASA data. Researchers across the globe are worried the warming will only get worse, and coastal communities are ground zero when it comes to climate change.