The Colorado River Basin is divided into upper and lower portions. It provides water to the Colorado River, a water source that serves 40 million people over seven states in the southwestern ...

The Ganges river in India is more than 2,500km long and has the most populated river basin in the world. Hundreds of millions of people and a huge range of wildlife rely on the river Ganges. But ...

The Yangtze basin provides about half of all the fish eaten in China, and two-thirds of the rice. Industries and farming there contribute as much as 40% of China's whole economy. This vast river – the ...