The Colorado River Basin is divided into upper and lower ... 40 million people over seven states in the southwestern United States. Disclaimer: AAAS and EurekAlert! are not responsible for the ...

After decades of conflict, farmers and tribes say they’re working in concert to restore salmon habitat in the Klamath Basin.

The seven states on the Colorado River are spending millions of dollars to accurately measure how much water flows downstream and how much is taken out along the way. Quantifying the river's flow is ...