The nations were trying to finalize updates to the 61-year-old Columbia River Treaty governing shared, cross-border water and ...

Regional climate variability plays a big role, but reduced forest cover and a rise in atmospheric carbon dioxide are also factors.

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 ...

K. Nowak, M. Hoerling, B. Rajagopalan, & E. Zagona (2012). “Colorado River Basin Hydroclimatic Variability,” Journal of Climate, 25 (2), 4389–4403. Abstract: An analysis of annual hydroclimatic ...