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Environmental Science

The Role of Glacial Meltwater in Sustaining Downstream Hydropower

Quick fact

In some river basins, glacial meltwater provides up to 70% of the river's flow during the driest months, acting as a critical backup for hydropower when rainfall is scarce.

Why this is interesting

You've seen glaciers as icy giants, but did you know they are also massive water cache reservoirs that keep your lights on? What happens when they vanish?