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  • Search and rescue teams comb through Hurricane Ian’s wreckage (Part 1)

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  • Search and rescue teams comb through Hurricane Ian’s wreckage (Part 2)

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  • Now Playing

    Western megadrought shrinks the Colorado River, bringing multi-state consequences (Part 1)

    03:29
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    Western megadrought shrinks the Colorado River, bringing multi-state consequences (Part 2)

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Western megadrought shrinks the Colorado River, bringing multi-state consequences (Part 1)

03:29

The Colorado River is a 1,400-mile, life-sustaining artery for the American West – supplying water for seven states while generating hydroelectric power for millions. Experts tell NBC News’ Steve Patterson that the river’s power is shrinking, thanks to heavy demand, combined with rapid climate change and a decades-long megadrought. Steve gets exclusive access inside the Glen Canyon Dam as the crisis leads to historic water rationing.