Scientists mapped the world’s rivers over 35 years. They found shocking changes

The flow of water through the planet’s nearly 3 million rivers is changing rapidly, with potentially drastic implications for everything from drinking water supplies to flood risks, according to a new study.

​ The flow of water through the planet’s nearly 3 million rivers is changing rapidly, with potentially drastic implications for everything from drinking water supplies to flood risks, according to a new study. Read More Breaking News, Latest News and Videos | CNN