5 changements climatiques qui ont (presque) tout changé...

Un monde de glace… un monde désertique…

Dans son histoire, notre planète a déjà connu d'importants changements climatiques. Avec quelques degrés de plus ou de moins, la Terre peut prendre des visages très différents. Et ça, ça bouleverse fortement de nombreuses formes de vie, notamment l’espèce humaine. Là dedans, l'actuel réchauffement se distingue. Alors, pour mieux comprendre ce qui nous arrive, Lucas nous plonge dans l'histoire climatique de la Terre.

Sources principales :
– Un article de climatologue sur les mécanismes en jeu, 2023 ➔ https://www.climat-en-questions.fr/reponse/etude-climats-passe-par-valerie-masson-delmotte-0
– Les cartes de Scotese et al, 2024 ➔
– Frise temporel du MNHN ➔ https://www.mnhn.fr/fr/quand-est-apparue-la-vie-sur-terre
– le cours Climat et transitions de l’université de Lyon 1, 2025 ➔ https://foad.univ-lyon1.fr/course/view.php?id=72
– Une autre vidéo de vulgarisation davantage axée sur les mécanismes en jeu, 2020 ➔ https://www.youtube.com/watch?v=NRdaPrMNrkI
– Deux estimations des températures sur les 500 millions dernières années, 2021 et 2024 ➔
https://doi.org/10.1016/j.earscirev.2021.103503
https://doi.org/10.1126/science.adk3705
– Source pour la crise du Permien-Trias ➔
https://www.mnhn.fr/fr/le-trias-apres-la-crise
– Quelques sources pour le PETM ➔
https://www.ipsl.fr/recherche/les-thematiques-scientifiques/paleoclimats/maximum-thermique-et-avenir-climatique/
https://doi.org/10.1126/science.aba6853
https://doi.org/10.1007/978-3-031-58144-1_2
https://doi.org/10.1016/j.gloplacha.2023.104175
https://doi.org/10.5194/cp-18-681-2022
https://doi.org/10.17605/OSF.IO/C4FGB
http://www.dzkx.org/en/article/doi/10.11928/j.issn.1001-7410.2024.05.12
– Quelques sources pour le Dernier maximum glaciaire ➔
https://doi.org/10.1098/rsta.2012.0294
https://www.climate.gov/media/11951
https://doi.org/10.5880/SFB806.15
https://doi.org/10.1038/s41586-023-05726-0
https://doi.org/10.1007/s10963-025-09197-1
https://doi.org/10.1073/pnas.1503784112
– Quelques sources pour l’Holocène ➔
https://doi.org/10.1038/s41597-020-0530-7
https://doi.org/10.4000/12ktv
https://www.iro.umontreal.ca/~vaucher/History/Evolution/Climate/Green.html
https://doi.org/10.1038/s41467-022-32750-x
– Quelques sources pour aujourd’hui ➔
https://doi.org/10.1017/9781009157896
https://www.eea.europa.eu/en/analysis/indicators/global-and-european-temperatures
https://www.climate.gov/news-features/understanding-climate/climate-change-atmospheric-carbon-dioxide
https://doi.org/10.1073/pnas.1809600115
https://climateactiontracker.org/global/cat-thermometer
– Quelques articles en plus sur les mécanismes ➔ https://culturesciences.chimie.ens.fr/thematiques/chimie-et-societe/environnement/les-evolutions-passees-du-climat-ce-que-nous-apprennent
https://www.climat-en-questions.fr/reponse/liens-entre-co2-et-temperature-par-frederic-parrenin/
https://www.climat-en-questions.fr/reponse/anomalies-climatiques-par-myriam-khodri-pascal-yiou/

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