Researchers from the Swiss Federal Institute for Forest, Snow and Landscape Research (WSL) have proposed a warning tool that predicts, up to three weeks in advance, when river fish in Switzerland will be at risk from heat. As heat waves become more frequent with climate change, this early warnin...

Source: [Phys.org](https://phys.org/news/2026-06-early-tool-river-fish.html)

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