Ningbo's Rivers: A Three-Part Health Check
Ningbo's rivers are getting a thorough health check-up, and it's about time. Most studies only use one method to check the water's condition. But this time, researchers decided to be more thorough. They used three different ways to see how clean and alive the rivers are. First, they looked at 15 rivers in Ningbo, Zhejiang Province, China. They used the Water Quality...