- Dec 2024
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www.pnas.org www.pnas.org
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Across all global land area, models underestimate positive trends exceeding 0.5 °C per decade in widening of the upper tail of extreme surface temperature distributions by a factor of four compared to reanalysis data and exhibit a lower fraction of significantly increasing trends overall.
for - question - climate crisis - climate models underestimate warming in some areas up to 4x - what is the REAL carbon budget if adjusted to the real situation?
question - climate crisis - climate models underestimate warming in some areas up to 4x<br /> - What is the REAL carbon budget if adjusted to the real situation? - If we have even less than 5 years remaining in our carbon budget, then how many years do we actually have to stay within 1.5 Deg C?
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www.linkedin.com www.linkedin.com
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If we are underestimating, then does that mean our carbon budget figures are too high and we don't have 5 years of carbon budget remaining at the BAU rate, but significantly less?
for - climate crisis - models are underestimating as much as 4x - question - does our current remaining carbon budget of 5 years BAU need to be reduced?
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www.youtube.com www.youtube.com
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for - youtube - UAB presentation - Remaining Carbon Budget - Kevin Anderson, 2024 - to - paper - Assessing the size and uncertainty of Remaining Carbon Budget (RCB) - Lamboll et al, 2023
to - paper - Assessing the size and uncertainty of Remaining Carbon Budget (RCB) - Lamboll et al, 2023 - https://hyp.is/0OGiIq-6Ee-xlr9v_TU2ZQ/www.nature.com/articles/s41558-023-01848-5
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for - paper - Assessing the size and uncertainty of Remaining Carbon Budget (RCB) - Lamboll et al, 2023 - from - youtube - Climate scientist Kevin Anderson warns: Only 4 years left to stay below 1.5°C without urgent action
from - youtube - Climate scientist Kevin Anderson warns: Only 4 years left to stay below 1.5°C without urgent action - https://hyp.is/u-rKxK-6Ee-TT7OpdMUOTw/www.youtube.com/watch?v=kFDRp-JMf9Q
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- Nov 2024
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www.theguardian.com www.theguardian.com
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Global Carbon Budget 2024: https://essd.copernicus.org/preprints/essd-2024-519/
Presseaussendung zum Global Carbon Budget: https://globalcarbonbudget.org/fossil-fuel-co2-emissions-increase-again-in-2024/
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iopscience.iop.org iopscience.iop.org
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- Oct 2024
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www.carbonbrief.org www.carbonbrief.org
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Erstmals wurde genau erfasst, welcher Teil der von Waldbränden betroffenen Gebiete sich auf die menschlich verursachte Erhitzung zurückführen lässt. Er wächst seit 20 Jahren deutlich an. Insgesamt kompensieren die auf die Erhitzung zurückgehenden Waldbrände den Rückgang an Bränden durch Entwaldung. Der von Menschen verursachte – und für die Berechnung von Schadensansprüchen relevante – Anteil der CO2-Emissione ist damit deutlich höher als bisher angenommen https://www.carbonbrief.org/climate-change-almost-wipes-out-decline-in-global-area-burned-by-wildfires/
Tags
- CO2-Emissionen von Waldbränden
- attribution
- Global burned area increasingly explained by climate change
- increasing risk oft wildfires
- Maria Barbosa
- Seppe Lampe
- Global rise in forest fire emissions linked to climate change in the extratropics
- Matthew W. Jones
- global
- Natural Environment Research Council
- David Bowman
- World Weather Attribution
- land use change
- Inter-Sectoral Impact Model Intercomparison Project
- Global Carbon Budget
- Transdisciplinary Fire Centre at the University of Tasmania.
Annotators
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www.theguardian.com www.theguardian.com
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2023 haben Böden und Landpflanzen fast kein CO2 absorbiert. Dieser Kollaps der Landsenken vor allem durch Dürren und Waldbrände wurde in diesem Ausmaß kaum vorausgesehen, und es ist nicht klar, ob auf ihn eine Regeneration folgt. Er stellt Klimamodelle ebenso in Frage wie die meisten nationalen Pläne zum Erreichen von CO2-Neutralität, weil sie auf natürlichen Senken an Land beruhen. Es gibt Anzeichen dafür, dass die steigenden Temperaturen inzwischen auch die CO2-Aufnahmefähigkeit der Meere schwächen. Überblicksartikel mit Links zu Studien https://www.theguardian.com/environment/2024/oct/14/nature-carbon-sink-collapse-global-heating-models-emissions-targets-evidence-aoe
Tags
- Schwächung der marinen Kohlenstoffsenken
- Tim Lenton
- 2023
- Schwächung der terrestrischen Kohlenstoffsenken
- by: Patrick Greenfield
- date::2024-10-14
- Low latency carbon budget analysis reveals a large decline of the land carbon sink in 2023
- Andrew Watson
- Pierre Friedlingstein
- The enduring world forest carbon sink
- Philippe Ciais
- French Laboratory of Climate and Environmental Sciences
- Impact of high temperature heat waves on ocean carbon sinks: Based on literature analysis perspective
- A warming climate will make Australian soil a net emitter of atmospheric CO2
- Johan Rockström
- The role of forests in the EU climate policy: are we on the right track?
- Global Carbon Budget
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Noch nie ist die CO2-Konzentration in der Atmosphäre so stark gestiegen wie im vergangenen Jahr, nämlich um 3,37 parts per million (PPM). Die Konzentration liegt jetzt bei 422 PPM. Vor allem die sehr geringe CO2-Aufnahme durch Ozean- und Landsenken hat diese Steigerung verursacht https://taz.de/Hiobsbotschaft-fuers-Klima/!6040258/
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- Jun 2024
- Apr 2024
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www.liberation.fr www.liberation.fr
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Am 17. November lag die Oberflächentemperatur der Erde zum ersten Mal 2° über dem vorindustriellen Durchschnitt. Der Philosoph Patrice Maniglier schlägt vor, schon 2023 oder das Jahr, an dem die 2°-Grenze dauerhaft überschritten werden wird, zum Beginn einer neuen Ära zu erklären, nämlich der des „großen Bankrotts“. https://www.liberation.fr/idees-et-debats/tribunes/sommes-nous-en-2024-ou-en-lan-i-du-rechauffement-climatique-20240104_NPIEAITYHVE6RAODCQ6UEDZV3Y/
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- Jan 2024
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www.derstandard.de www.derstandard.de
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Das neueste Update zum Global Carbon Budget ergibt, dass die CO2-Emissionen sich auf einem Rekordhoch Bewegungen. Der Anstieg hat sich leicht verlangsamt. 2023 lagen die Emissionen aus fossilen Quellen bei 36,8 Gt CO2 und damit etwa 1,1% über denen des Vorjahres. Mit 50% Wahrscheinlichkeit wird die 1,5°-Grenze in etwa 7 Jahren dauerhaft überschritten. https://www.derstandard.de/story/3000000198140/co2-emissionen-erreichen-neuen-hoechststand
Global Carbon Budget 2023: https://globalcarbonbudget.org/carbonbudget2023/
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- Dec 2023
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climateuncensored.com climateuncensored.com
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Almost by definition this would significantly alleviate poverty, as society’s resources will need to move from furnishing the relative luxuries of people like me (along with Elon Musk and Bill Gates) and be mobilised to decarbonise every facet of society. And all this in two decades tops
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for: climate crisis - resource flow, carbon budget - resource flow, carbon budget - resource redistribution
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comment
- This is really a major change in the way resource flows
- The high consuming countries and individuals need to drop their consumption drastically and give those to the decarbonization effort and to the disenfranchised who need to be uplifted to a state of wellbeing
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www.theguardian.com www.theguardian.com
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Für den Zuwachs sind vor allem China und Indien verantwortlich. In Europa haben die Emissionen um 7,4, in den USA um 3% abgenommen. Eine große Rolle spielten die um fast 12% gestiegenen Emissionen der Luftfahrt https://www.theguardian.com/environment/2023/dec/05/global-carbon-emissions-fossil-fuels-record
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- Nov 2023
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Many producers say they will be the ones to keep producing throughout transitions and beyond. They cannot all be right.
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for: stats - oil and gas industry - fight for survival
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stats: oil and gas industry - fight for survival
- competing oil producers will have to reach an agreement on who has the right to produce the remaining carbon budget
- 24 million barrels a day are still produced in a 1.5 Deg C scenario but are largely uncombusted
- 75 % of that will be used in petrochemical and other industry
- 920 billion cubic meters of natural gas
- 50% of this for hydrogen production
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docdrop.org docdrop.org
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what worries me is again the the long-term future of the economy in a carbon constrained world 00:27:32 and as a futurist uh what what is your perspective on on the the role of oil going into 2050
- for: carbon budget - Alberta, carbon-constrained world - Alberta's future
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www.theguardian.com www.theguardian.com
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Einer neuen Studie zufolge liegt das CO2 Budget, mit dem sich das 1,5 Grad Ziel mit wenigstens 50% Wahrscheinlichkeit noch erreichen ließe, bei 250 Milliarden Tonnen. Es ist damit nur halb so hoch, wie bisher angenommen. Bei der von den UN vorangetriebenen Halbierung der Emissionen bis 2030 liege die Chance bei maximal 40%. https://www.theguardian.com/environment/2023/oct/30/climate-crisis-carbon-emissions-budget
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- Sep 2023
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docdrop.org docdrop.org
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these are not represented in the models, they're not in the global carbon budget estimates, they're not in the IPCC.
- for: carbon budget - underestimate, IPCC - underestimate, 1.5Deg C - underestimate, question, question - revise 1.5 Deg C target downwards?
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highlight
- the 1.5 Deg C target does not account for cascading tipping points. In fact the cascading tipping point research is not accounted for in any of:
- current climate models
- global carbon estimates
- IPCC
- the implications are that the carbon budget is even smaller than the current number.
- the implications are that 1.5 Deg C is not the threshold we should be aiming for, but even less. We are now at 1.2 so it has to be 1.3 or 1.4.
- the 1.5 Deg C target does not account for cascading tipping points. In fact the cascading tipping point research is not accounted for in any of:
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question
- Given the underestimates, should the target actually be revised downwards to 1.3 or 1.4 deg C?
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there are so many uncertain factors on soil carbon, ocean carbon, ocean heat, ice melt, biodiversity loss, biome tipping points.
- for: precautionary principle, fossil fuel phase out, carbon budget - uncertainties, carbon budget - underestimate
- highlight
- the precautionary principle dictates that the uncertainties in:
- soil carbon
- ocean carbon
- ocean heat
- ice melt
- biodiversity loss
- biome tipping points
- implies that the any one of these can easily bring our remaining carbon budget down to zero.
- the precautionary principle dictates that the uncertainties in:
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- Mar 2023
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climateuncensored.com climateuncensored.com
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Title: How Alive Is 1.5? Part One – A Small Budget, Shrinking Fast
Author: - Kevin Anderson - Dan Calverley
Key Messages - For a 50:50 chance of staying below 1.5°C, we’re using up the remaining carbon budget at around 1% every month. - Following current national emissions pledges (NDCs) to 2030 puts the temperature commitments within the Paris Agreement beyond reach. - Claims that 1.5°C is now inevitable also assign “well below 2°C” to the scrapheap. - An ‘outside chance’ of not exceeding 1.5°C remains viable, but ongoing fossil fuel use is rapidly undermining it. - The few credible pathways for an outside chance of 1.5°C are not being discussed. This is an active choice by policymakers and experts, who have largely dismissed equity-based social change.
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- Dec 2022
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docdrop.org docdrop.org
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what do we really need to do for real zero for 1.5 degrees centigrade and very much I'm framing this around carbon budgets so if anyone's heard me speak before nothing 00:01:37 significantly changed other than another 40 billion tons of carbon Dockside has been put in the atmosphere
!- title : 2022 remaining carbon budget - speaker: Kevin Anderson
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- Apr 2021
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essd.copernicus.org essd.copernicus.org