Discussion about the paper, "Well below 2 Β°C: Mitigation strategies for avoiding dangerous to catastrophic climate changes," PNAS 2017, by Yangyang Xu and Veerabhadran Ramanathan.

This paper is used in Extinction Rebellion talks to illustrate the danger of low probability, high impact risks inherent in continued business as usual.

As I understand it, the authors considered several emissions scenarios and estimated about a 1 in 20 chance of their baseline scenario producing greater than 3C of warming by 2050.

I'd like to invite any commentary on this paper and my interpretation, especially by those with formal education in climate science. Is this paper well received or controversial? Any criticism or nuance in understanding it that I should be aware of? Is this baseline scenario a realistic description of business as usual? What are the potential impacts of 3C of warming by 2050, and would you agree with the catergorization of them as "catastrophic"?

Thanks in advance!

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πŸ‘€︎ u/naufrag
πŸ“…︎ Jul 25 2019
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[NORftbl] Sampdoria midfielder Morten Thorsby has decided to change his squad number from 18 to 2 - in reference to the primary objective of the Paris Agreement that sets out a global framework to avoid dangerous climate change by limiting global warming to well below 2Β°C twitter.com/NORftbl/statu…
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πŸ‘€︎ u/cue-panic
πŸ“…︎ Aug 12 2021
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IEA Sends Clear Message to World Leaders: Stop Investing in New Oil and Gas -- "It is now beyond doubt that there is no need for further coal, oil, and gas exploration if we are to avoid the most dangerous impacts of climate change." commondreams.org/news/202…
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πŸ‘€︎ u/memoriesofcold
πŸ“…︎ Oct 13 2021
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TIL avoiding "dangerous climate change" (an average temperature increase of about 2Β°C) in the long term requires an 85% reduction in global Co2 emissions. realclimate.org/index.php…
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πŸ‘€︎ u/one_eyed_jack
πŸ“…︎ Aug 29 2012
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The difficult, the dangerous and the catastrophic: Managing the spectrum of climate risks - This quadrant-based approach to managing the spectrum of climate risks restructures the climate change problem from avoiding a distant catastrophe to minimizing collective suffering. onlinelibrary.wiley.com/d…
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πŸ‘€︎ u/pnewell
πŸ“…︎ Dec 10 2013
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Avoiding dangerous climate change demands de-growth strategies from wealthier nations kevinanderson.info/blog/a…
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πŸ‘€︎ u/Erinaceous
πŸ“…︎ Sep 24 2014
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Avoiding dangerous climate change is still possible, but just barely grist.org/climate-energy/…
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πŸ‘€︎ u/ClimateMom
πŸ“…︎ Sep 17 2012
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They really don't like being called out however you can make them appear by saying 'Antifa means anti-fascism' or 'climate change is real' or 'black lives matter' - these people are dangerous
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πŸ“…︎ Dec 21 2021
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If climate change is so dangerous and we need to act TODAY, then why attach social policy to it?

Basically the title. Climate change is a major issue that we must solve.

Climate spending proposals, such as BBB, often have social policy attached.

For example, you get a tax credit for a union made EV.

If climate change is so important, then why attach the union part? It just hinders the policy becoming law.

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πŸ‘€︎ u/THEfirstMARINE
πŸ“…︎ Jan 09 2022
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Climate Change Denial Is Morphing into a More Dangerous Form of Misinformation diplomaticourier.com/post…
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πŸ‘€︎ u/Wagamaga
πŸ“…︎ Nov 07 2021
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The US Is Reneging on Climate Change Commitments: By refusing to define β€œclimate finance,” the United States and other wealthy nations are avoiding their responsibilities to fight climate change and forcing poorer nations into never-ending debt traps. jacobinmag.com/2021/11/un…
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πŸ‘€︎ u/sammythepiper
πŸ“…︎ Nov 12 2021
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Avoiding words β€˜climate change,’ DeSantis says global-warming concerns involve β€˜left-wing stuff’ floridaphoenix.com/2021/1…
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πŸ‘€︎ u/Kunphen
πŸ“…︎ Dec 08 2021
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Let's go! I-4 is at capacity and the most dangerous highway in America. We need alternate modes, like Brightline, if we're going to get serious about combating climate change. masstransitmag.com/rail/n…
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πŸ‘€︎ u/uncleleo101
πŸ“…︎ Nov 16 2021
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Climate Change Denial Is Morphing into a More Dangerous Form of Misinformation. Misinformation now encompasses a broad set of narratives, including, the belief in β€œdoomerism”—the idea that the climate is changing but that it has advanced too far for human intervention to have an impact diplomaticourier.com/post…
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πŸ‘€︎ u/Wagamaga
πŸ“…︎ Nov 07 2021
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RationalWiki classifying this sub as β€œpseudoscience” seems a bit unfounded, especially when climate change is very real and very dangerous.
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πŸ‘€︎ u/SussyVent
πŸ“…︎ Sep 24 2021
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Avoiding temperature β€˜overshoot’ reduces multiple climate change risks, say scientists - Carbon Brief carbonbrief.org/avoiding-…
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πŸ‘€︎ u/KCrider
πŸ“…︎ Nov 29 2021
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Geoscientists will be crucial in meeting society's future challenges through policies to avoid dangerous levels of climate change, to protect the environment and to ensure the availability of vital resources for all.
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πŸ“…︎ Apr 21 2021
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Study: Climate change is making typhoons more dangerous for Asia, and their β€˜destructive power’ will double by the end of the century news.yahoo.com/study-clim…
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πŸ‘€︎ u/adinaespinoza
πŸ“…︎ Dec 30 2021
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Climate change will almost certainly heat the world so much it can never recover, major study finds: There's only a 10 per cent chance we'll avoid widespread drought, extreme weather and dangerous increases in sea level independent.co.uk/environ…
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πŸ‘€︎ u/finane
πŸ“…︎ Aug 07 2017
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Climate change: G20 leaders 'largely avoiding firm goals' ahead of COP26, says report on draft statement news.sky.com/story/climat…
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πŸ‘€︎ u/Renxer0002
πŸ“…︎ Oct 30 2021
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[Common Dreams] New Research Finds Climate Emergency the 'Overwhelming Factor' Behind Australian Bushfires - "It is now clear that human-induced climate change is creating ever more dangerous conditions for fires in Australia." commondreams.org/news/202…
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πŸ‘€︎ u/Minneapolitanian
πŸ“…︎ Nov 29 2021
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More U.S. citizens than ever before understand climate change is real and dangerous peoplesworld.org/article/…
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πŸ“…︎ Nov 25 2021
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Eating less meat only way to save planet, warns climate think tank: "We cannot avoid dangerous climate change unless consumption trends change." express.co.uk/news/scienc…
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πŸ‘€︎ u/runnerdood
πŸ“…︎ Nov 24 2015
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Countries must work together on carbon dioxide removal to avoid dangerous climate change - study | An international group of researchers have argued that to meet the Paris Agreement's targets, CO2 removal quotas cannot be allocated in such a way that any one country can fulfill its obligations alone phys.org/news/2020-06-cou…
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πŸ“…︎ Jun 11 2020
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What are the 8 most dangerous things most people do not understand about climate change & global warming joboneforhumanity.org/wha…
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πŸ‘€︎ u/coolbern
πŸ“…︎ Nov 19 2021
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Study: Climate change is making typhoons more dangerous for Asia, and their β€˜destructive power’ will double by the end of the century news.yahoo.com/study-clim…
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πŸ‘€︎ u/Budget-Song2618
πŸ“…︎ Dec 30 2021
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Underestimating the Challenges of Avoiding a Ghastly Future | Peak Energy & Resources, Climate Change, and the Preservation of Knowledge energyskeptic.com/2021/un…
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πŸ‘€︎ u/eleitl
πŸ“…︎ Aug 13 2021
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Eating less meat only way to save planet, warns climate think tank: "We cannot avoid dangerous climate change unless consumption trends change." express.co.uk/news/scienc…
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πŸ‘€︎ u/runnerdood
πŸ“…︎ Nov 24 2015
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Michael Mann Slams Morano as β€˜One of the Worst Fossil Fuel Industry Funded Professional Climate Change Deniers’ – Calls β€˜Just So Dangerous’ wattsupwiththat.com/2021/…
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πŸ‘€︎ u/greyfalcon333
πŸ“…︎ Dec 24 2021
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Climate Change is Making Driving More Dangerous Than Ever. Here's How.
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πŸ‘€︎ u/Miz19946
πŸ“…︎ Nov 23 2021
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Climate change has already hit Australia. Unless we act now, a hotter, drier and more dangerous future awaits, IPCC warns theconversation.com/clima…
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πŸ‘€︎ u/reyntime
πŸ“…︎ Aug 09 2021
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[NOV21] I remember when we thought climate change was the most dangerous part of global warming.

Little did we know it was now warm enough for them to awaken from their aeons of hibernation.

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πŸ‘€︎ u/ellebelle2580
πŸ“…︎ Nov 02 2021
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Countries must work together on carbon dioxide removal to avoid dangerous climate change phys.org/news/2020-06-cou…
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πŸ‘€︎ u/aglagw
πŸ“…︎ Jun 09 2020
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Doing our parts to fight climate change means avoiding non-essential flights. Will this kill off international dance festivals? Some organisers have begun to plan for the end.

We all love the experience of international mixing and travelling and dancing around the world. Many tangueros living a nomadic lifestyle, can even spend time dancing in Buenos Aires and in Europe to catch the big festivals.

But the world may be changing soon.

This week the Kiwi Lindy Exchange announced it decided to stop organising future events.

| ... We wish we could continue to run this amazing event ... but attendees jetting in from all over the planet are no longer viable if we want to ensure a liveable planet for future generations.

| ... to limit global heating to below 2 degrees (Paris Climate Agreement 2015) each of us needs to be producing no more than ~2000kg CO2 per year by 2030.Β Flying from Perth to Auckland emits 946kg of CO2 (one way) per person.

In other words, each attendee flying from Australia to New Zealand and back has nearly exceeded his annual allowance with one event.

This organiser has taken a painful decision. And they won't be the last.

Given the type of freaky weather that has been experienced around the world recently, we may be near the climate change inflexion point.

Festivals that depend heavily on international participation may become ecologically untenable. Dancers may have to budget their carbon footprint responsibly.

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πŸ‘€︎ u/mamborambo
πŸ“…︎ Jul 17 2021
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More U.S. citizens than ever before understand climate change is real and dangerous peoplesworld.org/article/…
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πŸ“…︎ Nov 25 2021
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The most comprehensive report yet on climate change looks at potentially irreversible climate dangers, from sea level rise to ocean circulation slowdowns, that can still be avoided with strong climate action. nationalgeographic.com/en…
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πŸ“…︎ Aug 09 2021
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Climate Change Denial Is Morphing into a More Dangerous Form of Misinformation. Misinformation now encompasses a broad set of narratives, including, the belief in β€œdoomerism”—the idea that the climate is changing but that it has advanced too far for human intervention to have an impact diplomaticourier.com/post…
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πŸ‘€︎ u/FluffyTippy
πŸ“…︎ Nov 08 2021
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More U.S. citizens than ever before understand climate change is real and dangerous peoplesworld.org/article/…
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πŸ“…︎ Nov 25 2021
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Dangerous summer heat in Columbus and Ohio predicted to worsen as climate changes nbc4i.com/weather/climate…
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πŸ‘€︎ u/CatDad69
πŸ“…︎ Aug 17 2021
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Even β€˜climate progressive’ nations fall far short of Paris Agreement targets - New research focusing on the UK and Sweden, demonstrates just how far even β€˜climate progressive’ nations are from meeting our international commitments to avoid dangerous climate change. manchester.ac.uk/discover…
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πŸ“…︎ Jun 24 2020
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More U.S. citizens than ever before understand climate change is real and dangerous peoplesworld.org/article/…
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πŸ“…︎ Nov 25 2021
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More U.S. citizens than ever before understand climate change is real and dangerous peoplesworld.org/article/…
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