Widespread Mussel Die-Offs Worry Scientists
Scientists are scrambling to understand why thousands of dead mussels are turning up in several rivers across the United States and Europe, including one of the world's biodiversity hotspots. Experts worry that the rapid decline of mussels in Appalachia's Clinch River may be a sign of a worldwide die-off of the important water cleaners. VOA's Steve Baragona has more. VOA Khmer's Sophat Soeung narrates.
Episodes
-
November 04, 2022
In Hong Kong, Media Trials Chill Press Freedom
-
July 23, 2021
Afghans Worry for the Future as US Troops Withdraw
-
July 20, 2021
With Its People Vaccinated, the Maldives Woos Tourists
-
July 17, 2021
US Announces Vaccine Donations to Vietnam, Guatemala