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.

This report comes from Live Science. The story centres on 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. Full coverage and background context is available at the original source. Readers seeking more detail on this developing topic are encouraged to follow updates from Live Science and related outlets covering this beat.