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Science and Technology

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Wildlife officials are employing a growing number of tools in the war against invasive Asian carp, including electrofishing. 

Workers with the Kentucky Department of Fish and Wildlife used a so-called “stunboat” at Barkley Dam yesterday to shock and scoop silver carp. The species is the most visible of the group of four species known in America as Asian carp. 

Shalina Chatlani / WPLN


A family of man-made chemicals known as per-and polyfluoroalkyl substances, or PFAS, is starting to gain national attention after studies have linked it to health issues, possibly including cancer.

Shalina Chatlani / WPLN


A proposal moving forward in the Metro Council would push Nashville’s government toward getting all of its power from renewable energy sources by 2041.

And at least 10% of that would come from solar.

Austin Peay State University

A unique species of crayfish that lives only around Fort Campbell has been officially recognized by the scientific community. But already, the crustacean seems to be facing challenges in its habitat.

Researchers from Austin Peay State University recently had their findings published in the Journal of Crustacean Biology

Jeff Turner via Creative Commons

Tennessee could be failing to prevent school children from being exposed to dangerous levels of lead. That’s according to a new report from national environmental research group Environment America and the U.S. Public Interest Research Group.

In their review of 32 states, Tennessee was one of 22 states that received a failing grade in addressing the amount of lead in drinking water. The report says the state’s limit is too high.

Nashville Zoo at Grassmere

A long-nosed, 125-pound aardvark arrived at the Nashville Zoo last weekend.

One-year-old Winsol is the first aardvark to come to the zoo, and is part of the Animal Ambassador program — which means he will soon be doing outreach events.

Shalina Chatlani / WPLN

The Tennessee Valley Authority says in a new review of its facilities that it needs to invest in renewables, including solar energy, to stay competitive. But some environmentalists are questioning the utility's commitment to the idea. 

Shalina Chatlani/WPLN


Every year, the equivalent of about 10 million meals in Nashville are tossed in the trash, while one in six residents doesn't have enough food. That’s according to national research from the Natural Resources Defense Council, which has chosen Nashville as a pilot city for testing food waste reduction practices on a national scale.

Shalina Chatlani/WPLN

Exactly 10 years ago, one of the worst environmental disasters in U.S. history happened near Kingston, Tennessee. Over a billion tons of coal ash spilled from a pit at a Tennessee Valley Authority plant into the Emory and Clinch rivers and surrounding land on Dec. 22, 2008. 

Brian Latimer / WPLN

Gallatin Fossil Plant, one of several coal-fired power plants in the Tennessee Valley Authority's network, has been cited for ineffective leadership and safety concerns. 

That comes from TVA's Office of Inspector General, an independent arm that looked into the utility's business operations and interviewed employees over a four-year period.