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Record-breaking heat waves in Western Europe during 2026 have caused significant economic disruptions and thousands of excess deaths.

Western Europe experienced a series of record-breaking heat waves in 2026, with temperatures frequently exceeding 40 degrees Celsius. These extreme weather events led to a spike in hospitalizations and approximately 10,000 excess deaths across the UK, France, Germany, and Belgium. The heat exacerbated a severe drought, causing record-low river levels in major waterways like the Rhine, which disrupted industrial transport and forced companies to switch to more expensive rail and road freight. Economically, the heat wave is projected to impact the European Union's gross domestic product by roughly 1% or EUR 180 billion. France, Italy, and Spain are expected to suffer the largest hits to GDP growth. While agriculture and power generation faced challenges, such as reduced nuclear and hydropower output, some sectors like air-conditioning manufacturing and construction saw potential long-term benefits. Analysts warn that the summer's drought may leave energy infrastructure with low gas storage levels heading into winter, potentially increasing inflationary pressures for the region.

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