(Reuters) - About a quarter of all freshwater fish species are at risk of extinction due to threats from climate change and pollution, the latest Red List of Threatened Species showed on Monday.
One of the main threats is the havoc climate change is wreaking on water cycles, such as falling water levels and rising sea levels causing seawater to move up rivers, according to the International Union for Conservation of Nature (IUCN), which compiles the list several times a year.
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