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PhD, climate scientist @lsce-ipsl.bsky.social @CEAParisSaclay @IPSL_outreach @hc_climat. Was co-chair @ipcc.bsky.social (AR6 WGI). Member of French Academy of Technology and Academy of Sciences.
Scientists’ role in defending democracy | Science www.science.org/doi/10.1126/...
The United States’ democratic leadership, commitment to freedom of expression, and investment in the pursuit of knowledge have long enabled its preeminence in science and technology. Yet today we are ...
Jour 5 de la vague de chaleur caniculaire d'août 2025. La température n'est pas descendue en dessous de 28,7°C la nuit dernière à l'aéroport de Nice. C'est la plus haute valeur de température minimale jamais observée, battant de 0,1°C la valeur du 22 août 2023.
Le Sud de la France subit une #canicule record par sa sévérité(combinaison intensité+durée) & brutalité. ✔quels processus à son origine? ✔pourquoi cet été restera l’un des +frais de ce siècle si on n’accélère pas la décarbonation restant dans l'illusion d'une adaptation sans casse? #fatigue Un fil🧵👇
Nothing ever changes but the climate
Thorts on a repought.
diagrammonkey.wordpress.com/2025/08/01/n...
When I became a climate scientist nearly 22 years ago, I started accumulating books on the subject. One of the first was called something1 like “Global Warming: Apocalypse or Hot Air?” …
Is sea level around the US accelerating? If you actually do the analysis, instead of just repeating talking points from decades ago, the answer is yes. tamino.wordpress.com/2025/08/03/s...
Here in the USA, the Department of Energy (DOE) has issued a report titled “A Critical Review of the Impacts of Greenhouse Gas Emissions on the U.S. Climate.” It is a product of the …
Ralph Keeling in The Economist
www.economist.com/by-invitatio...
Even a policy of “drill, baby, drill” would imply more climate research, not its evisceration, says Ralph Keeling
Je reposte ce fil, tragiquement d'actualité
Changement climatique, conditions météorologiques propices aux incendies, risques de feux de forêts : quel est l’état des connaissances fourni par les rapports du GIEC de 2021 et 2022 @IPCC_CH et du @hc_climat de 2022?
⬇️🧵 (1/...)
The Royal New Zealand Air Force evacuated three people from a U.S. research base in Antarctica on Wednesday after a medical emergency, conducting a rare and highly dangerous mission through volatile weather and 24-hour darkness to rescue the individuals.
Three staff members from the National Science Foundation were evacuated from a U.S. research base after a medical emergency. The mission is one of the most challenging for the air force.
Trump's budget proposal for NASA zeros out the Orbiting Carbon Observatory (OCO-2 & 3), which would mean an early end to tools that provide detailed information on carbon dioxide emissions and plant growth.
Congress could still save these programs.
The Trump administration has asked NASA staffers to draw up plans to end at least two satellite missions that measure carbon dioxide in the atmosphere, according to current and former NASA employees.
Eté 2025: encore un nouveau record‼️ +de 50% de la France est touché par des arrêtés sécheresse en nappe: du jamais vu depuis le début du suivi en 2012📈 Alors que la loi #Duplomb veut multiplier les “bassines” qui prélèvent directement en nappe, quelle ironie Une situation en fait ... 1/5
