July 2, 2025|
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|5 months agoRecord-Breaking Heat Pushes Swiss Lakes to Unprecedented Temperatures
Swiss lakes record highest temperatures in 41 years of measurement, raising ecological concerns as water temperatures surge 5-7 degrees above historical averages.

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Generated IllustrationKey Takeaways
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- Swiss lakes are experiencing record-high temperatures in 41 years of measurement
- Lake temperatures have risen by an average of five degrees over two weeks
- Poor snow cover in mountains at start of warm season contributed to temperature rise
- Warming affects fish populations and promotes algae growth
By The Numbers
28°C
Highest recorded temperature in Lake Lugano
26°C
Temperature in Lake Geneva
4-7 degrees
Temperature increase above 1983-2024 average
They Said
"The impact of this rapid warming of the country's waters is visible on several levels"