The IPCC’s cautious assessments may leave businesses exposed to underestimated climate‑related financial risks
Executive summary: The IPCC (GIEC) has been accused of catastrophism by the far right, but historian Jean-Baptiste Fressoz contends it has actually been too prudent, underestimating the speed and severity of recent summer heat increases. If climate projections are too low, businesses may under‑invest in adaptation, leaving them vulnerable to heat‑related operational disruptions, insurance losses, and asset devaluation.
Who is involved: IPCC (GIEC), historian Jean-Baptiste Fressoz, far‑right critics, and businesses in sectors such as insurance, energy, agriculture, and infrastructure.
Likely next: Renewed scrutiny of IPCC methodologies, potential updates to climate scenarios in upcoming reports, and greater corporate use of downscaled, high‑resolution climate risk modeling.
Le Monde reports that historian Jean-Baptiste Fressoz argues the IPCC has been overly prudent, underestimating the acceleration of summer heat extremes, despite far‑right accusations of alarmism. The piece notes a tension between political pressure to avoid appearing catastrophist and the scientific duty to convey rising climate risks. This critique suggests that current IPCC projections could be too low for near‑term temperature extremes.
Timeline
- — « Par peur d’être taxé d’exagération, le GIEC a sous-estimé la brutalité de nos étés » (Le Monde — Économie)
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