270 miles of Colorado River flow across two states ... MICHIO KAKU: And how long has this erosion been taking place? DR DAVE THAYER: Well at least 5.5 million years is what they say.

Farmers relying on the Colorado River are raising the alarm as diminishing river flows threaten food supplies and could lead to increased U.S. grocery prices in 2025. With the current agreement ...

COLORADO SPRINGS, Colo ... team is reviewing the hole and found a cause of the large presence of erosion. They said the hole was caused by drainage from the nearby Amazon facility.