The Ganges River
Countries: India and Bangladesh
Length: 2520 km (1560 miles)
The Ganges river basin has the highest population of any river basin in the world. It contains over 400 million people.
The Ganges shark, once common in the waters of the Ganges River, is now endangered. The same is true of the Ganges river dolphin.
The river is heavily poluted with human and industrial waste.