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climate endgame
This week, the world broke the daily temperature record. This is yet another demonstration that climate change is out of control and one reason more for increased #ClimateAction ambition and justice. Emissions continue to grow while leaders persist in delaying the key measures needed to change this. This is the moment when we all need to assume our responsibilities. #climatechange
Climate endgame is the name some scientists have given to the hypothesis of a global societal collapse due to effects of climate change. The real chance of happening is considered small, but the researchers who warned most resoundingly about this danger in August 2022 seek to improve risk management by putting a higher priority on worst-case scenarios, to "galvanise action, improve resilience, and inform policy".
Une gestion prudente des risques exige la prise en compte de scénarios allant du moins bon au pire. Or, dans le cas du changement climatique, ces futurs potentiels sont mal connus. Le changement climatique anthropique pourrait-il entraîner l’effondrement de la société mondiale, voire l’extinction de l’humanité ? À l’heure actuelle, il s’agit d’un sujet dangereusement sous-exploré. Pourtant, il existe de nombreuses raisons de penser que le changement climatique pourrait entraîner une catastrophe mondiale. L’analyse des mécanismes à l’origine de ces conséquences extrêmes pourrait contribuer à galvaniser l’action, à améliorer la résilience et à informer les politiques, y compris les réponses d’urgence. Nous exposons les connaissances actuelles sur la probabilité d’un changement climatique extrême, expliquons pourquoi il est vital de comprendre les cas les plus défavorables, exposons les raisons de s’inquiéter des résultats catastrophiques, définissons les termes clés et proposons un programme de recherche. Le pr
Prudent risk management requires consideration of bad-to-worst-case scenarios. Yet, for climate change, such potential futures are poorly understood. Could anthropogenic climate change result in worldwide societal collapse or even eventual human extinction? At present, this is a dangerously underexplored topic. Yet there are ample reasons to suspect that climate change could result in a global catastrophe...
Prudent risk management requires consideration of bad-to-worst-case scenarios. Yet, for climate change, such potential futures are poorly understood. Could anthropogenic climate change result in worldwide societal collapse or even eventual human extinction? At present, this is a dangerously underexplored topic. Yet there are ample reasons to suspect that climate change could result in a global catastrophe. Analyzing the mechanisms for these extreme consequences could help galvanize action, improve resilience, and inform policy, including emergency responses. We outline current knowledge about the likelihood of extreme climate change, discuss why understanding bad-to-worst cases is vital, articulate reasons for concern about catastrophic outcomes, define key terms, and put forward a research agenda. The proposed agenda covers four main questions: 1) What is the potential for climate change to drive mass extinction events? 2) What are the mechanisms that could result in human mass mortality and morbidity? 3) Wh
Global heating could become "catastrophic" for humanity if temperature rises are worse than many predict or cause cascades of events we have yet to consider, or indeed both. The world needs to start preparing for the possibility of a "climate endgame."
Scientists say there are ample reasons to suspect global heating could lead to catastrophe. The risk of global societal collapse or human extinction has been “dangerously underexplored”, climate scientists have warned in an analysis. They call such a catastrophe the “climate endgame”. Though it had a small chance of occurring, given the uncertainties in future emissions and the climate system, cataclysmic scenarios could not be ruled out, they said.