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Climate crisis is suffocating the world’s lakes, study finds

Falling oxygen levels harming already struggling wildlife and drinking water supplies, say scientists

The climate crisis is causing a widespread fall in oxygen levels in lakes across the world, suffocating wildlife and threatening drinking water supplies.

Falling levels of oxygen in oceans had already been identified, but new research shows that the decline in lakes has been between three and nine times faster in the past 40 years. Scientists found oxygen levels had fallen by 19% in deep waters and 5% at the surface.

Related: 60% of fish species could be unable to survive in current areas by 2100 – study

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