Over 260,000 kilometres of river could potentially be at risk due to proposed hydro dams, according to researchers at McGill University.
Using a dataset of more than 3,700 potential hydropower projects, the researchers calculated their impacts on rivers worldwide.
The researchers found that the Amazon, the Congo and the Irrawaddy are just a few of the rivers that are at risk of losing their free-flowing status if the construction takes place.
The authors of the study highlight that connected and healthy rivers deliver diverse benefits that are often overlooked.
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