#119 - Géo-ingénierie : ces projets fous qui menacent la planète

Greenletter Club May 21, 2024
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Géo-ingénierie : injections de particules dans la stratosphère, ensemencement des nuages marins ou alcalinisation des océans : certains scientifiques rêvent de refroidir la planète en modifiant la composition de l'atmosphère ou des océans... au risque de bouleverser les climats régionaux. D'où cette question : quels sont les dangers de cette ingénierie climatique ? Pour y répondre nous recevons Olivier Boucher, climatologue et directeur adjoint de l'Institut Pierre-Simon-Laplace (LMD-IPSL) directeur de recherche au CNRS, auteur pour le 5ème rapport du GIEC et spécialiste des questions de géo-ingénierie. 🔥 Le Greenletter Club est 100% indépendant, pour nous aider, c'est ici 👉 https://bit.ly/3ppLx68 Interview réalisée par Maxime Thuillez et tournée dans le studio de l'Académie du Climat *** CHAPITRES 00:00 - introduction 01:30 - Présentation 02:53 - Géo-ingénierie : c'est quoi ? 05:35 - Intérêt militaire ? 06:38 - L'exemple des volcans 09:17 - Comment refroidir la Terre ? 11:10 - Le rôle des avions 12:32 - Les projets en cours 15:03 - Les coûts ? 16:48 - Un assèchement de la planète ? 19:35 - Qui va décider ? 20:42 - Un risque de dérapage 24:00 - L'aléa moral 25:20 - L'effet sur l'ozone 27:10 - Les autres techniques de gestion du rayonnement solaire 29:48 - Les expérience d'ensemencement des nuages marins 31:57 - La fertilisation des océans 36:40 - L'alcalinisation des océans 40:00 - L'avis de la communauté scientifique 43:20 - Qui finance ? 46:52 - Le rôle des milliardaires : Bill Gates, Musk, etc. 48:52 - Les politiques 51:00 - Des surprises climatiques ? 52:19 - Son opinion sur la géo-ingénierie

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