Fed by melting snowin the Rocky Mountains, warmer temperatures in recent yearshave meant...

Fed by melting snow
in the Rocky Mountains, warmer temperatures in recent years
have meant less snow, which means less river. You can tell how much less
by that big bathtub ring. The river flows south, quenching a few
American cities along the way, like Denver, Salt Lake City, Las Vegas, Phoenix and Los Angeles. Oh, and almost six million acres
of farmland. By the time the Colorado River
reaches Mexicali, it looks like this. [man, in Spanish] It's been a long time
since we've had enough water