For the first time, @nasa scientists mapped global salt marsh losses and their carbon impact.
The world has lost 561 square miles (1,453 square kilometers) of marshes over the past 20 years, the team found. https://go.nasa.gov/3FvLcCT #NASAEarth
Earth has lost 561 square miles of salt marshes over the past 20 years, according to a new NASA-led study of the first consistent global accounting of salt marsh locations and changes.
