Half of the world's dams could be 'functionally inoperable' by 2060 from being flooded with sediment — and the American West is a major hotspot

Research shows a fifth of the world's reservoirs are currently at high risk of filling with sediment, creating a "ticking time bomb" that threatens lives and livelihoods.

Source: [Live Science](https://www.livescience.com/planet-earth/rivers-oceans/half-of-the-worlds-dams-could-be-functionally-inoperable-by-2060-from-being-flooded-with-sediment-and-the-american-west-is-a-major-hotspot)