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The Colorado River Basin very well could get a few wet years, he said. “We might even get a wet decade. But, boy, the long-term warming and drying trend seems super clear to me,” Udall said.
A new global analysis finds U.S. states along the Colorado River are under extremely high water stress. The region is grappling with how to reduce water use.
The Colorado River (Spanish: Río Colorado) is one of the principal rivers (along with the Rio Grande) in the Southwestern United States and in northern Mexico. The 1,450-mile-long (2,330 km) river, the 5th longest in the United States, drains an expansive, arid watershed that encompasses parts of seven U.S. states and two Mexican states.
The United States Environmental Protection Agency has more broadly reported: "Colorado's climate is changing. Most of the state has warmed one or two degrees (F) in the last century. Throughout the western United States, heat waves are becoming more common, snow is melting earlier in spring, and less water flows through the Colorado River.
First published in 1984, the annual list spotlights ten threatened rivers–rivers that are facing environmental degradation due to existing or proposed development projects. The list is intended to build public awareness and spur action toward addressing specific environmental issues. [1] [2]
The Colorado River, which provides water for about 15% of our country’s agriculture, is shrinking, and the current agreement that divvies up the water usage ends in 2026.
Like other desert river deltas, such as the Nile Delta and the Indus River Delta, the Colorado River delta has been greatly altered by human activity. Decades of dam construction and water diversions in the United States and Mexico have reduced the delta to a remnant system of small wetlands and brackish mudflats. [ 6 ]
Arizona was girding for war with California over the Colorado River. The year was 1934 and the place was the construction site of Parker Dam, downstream from the nearly completed Hoover Dam.