Deadly heat wave in France shows the future of climate risk

Andrew Dessler · 7 Jul 2026

Andrew Dessler did not write this page.

Every claim below was made in this piece, quoted word for word and numbered in the order the piece makes them, so you can read it there rather than take our word for it. The sentence above each quote is our reading of the claim, not their wording. Each quote was checked against a stored copy of the page at build time; where the two differ, the quote is the fact.

Our reading
Climate models are underestimating how intense heatwaves become at a given level of global warming.

Their wordsthe temperatures seen in France show that climate models continue to underpredict the magnitude of heatwaves for a particular level of global warming.
Our reading
Without a shift away from fossil fuels, heatwaves will keep worsening and cause more deaths as they outstrip public health systems' capacity.

Their wordsWithout a move away from fossil fuels, future heatwaves will keep testing the limits of public health systems and more people will die.

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