Environment

The National Arboretum took pieces of Stumpy before he was removed in order to grow clones. News4’s Dominique Moody explains the process.

Trey Sherard, the Anacostia River keeper, said he was in the water this week, but then readings came back indicating a recent storm had made the water unsafe.

After water testing levels came back high, Splash the Anacostia has been postponed until July 13. News4’s Derrick Ward reports.

Which lawnmower is the right one to choose this summer? Consumer Reports explains to News4’s Susan Hogan the differences between the different types of lawnmowers and which option is the best.

Oysters are more than a classic on menus in the D.C. area. They play a key role in filtering the Chesapeake Bay. Volunteers known as oyster gardeners help raise oysters for this purpose. News4 got an up-close look at oyster gardening from a woman who has worked as a volunteer for more than 20 years. She described the work as…

Oysters are more than a classic on menus in the D.C. area. They play a key role in filtering the Chesapeake Bay. News4’s Lilly Roser shows how.

Grizzly bears will be reintroduced to Washington state’s North Cascades mountain range, the federal government said this week — a decision that followed years of bitterly divided debate.

Lab-created diamonds come with sparkling claims: that they are ethically made by machines running on renewable energy. But many don’t live up to these claims.

A new recreation center that’s been years in the making opened Thursday in Northwest D.C. Stead Park is the District’s first net zero rec center, meaning it’s designed to not have any negative impact on the environment. The $15 million rec center, which was a gift to the District from the Stead family, has been in the works since...

D.C. opened a net zero recreation center Thursday. News4’s Mark Segraves reports Stead Park in Northwest will offer all the traditional components of a new rec center.

The EPA’s newest assessment of water quality and nutrient pollution in U.S. rivers and streams shows almost no progress on cutting the nitrogen pollution that comes primarily from farm chemical runoff.

The Maryland Department of Natural Resources has recorded the highest oyster potential in nearly four decades in the Chesapeake Bay.

After the first winter storm of 2024, Storm Team4 Meteorologist (and Science Teacher!) Ryan Miller explains where road salt goes and how it’s toxic to the environment.

The Chesapeake Bay Foundation is teaching teens in the area about protecting the land and water we all share. “Everything helps. Everything matters,” educator Emma Paul told News4’s Megan McGrath.

California regulators on Tuesday approved new rules to let water agencies recycle wastewater and put it right back into the pipes that carry drinking water to homes, schools and businesses.

Hyattsville neighbors said they have grown tired of the lack of information from CSX about the derailment and the inconvenient road closures along Baltimore Avenue. 

Neighbors say they are fed up with the inconvenient road closures as questions swirl about the clean up. News4’s Walter Morris asks local leaders what is taking so long.

Montgomery County students learn about the importance of keeping the Chesapeake Bay clean at this three-day camp.

An outdoor education program hosted by YMCA Camp Letts teaches Montgomery County students about the importance of conserving the Chesapeake Bay. News4’s Megan McGrath reports.

In a remote, dry patch of California farm country, a battle is raging over carrots. Or rather, over the groundwater where they’re growing northwest of Los Angeles.