- Last 7 days
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www.columbia.edu www.columbia.edu
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for - climate crisis - article - Global Warming Acceleration: Hope vs Hopium - Jim Hansen et al., 2024, Mar 29
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- Nov 2024
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www.liberation.fr www.liberation.fr
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Eine neue Studie kommt zu dem Ergebnis, dass sich die Durchschnittstemperatur der Erde im Vergleich zur vorindustriellen Zeit bereits um 1,5° erhöht hat. Die Abweichung von der Angabe des IPCC (1,3°) kommt vor allem dadurch zustande, dass die aktuellen Temperaturen mit denen der Zeit um 1700 verglichen werden, auf die aus dem CO2 in Luftblasen in Eisbohrkernen geschlossen wird. Die Libération hat zwei französische Paläoklimatolog:innen zu der Studie befragt https://www.liberation.fr/environnement/climat/une-etude-suggere-que-les-15c-de-rechauffement-sont-deja-presque-atteints-20241111_57DA2J32ZNA4HJLYWSRZSDDTVQ/?redirected=1
Studie: https://www.nature.com/articles/s41561-024-01580-5
Meldung der Universität Leeds zur Studie: https://www.leeds.ac.uk/research-32/news/article/5687/humans-have-already-caused-1-5-c-of-long-term-global-warming-according-to-new-estimates
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- Oct 2024
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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
- A warming climate will make Australian soil a net emitter of atmospheric CO2
- Impact of high temperature heat waves on ocean carbon sinks: Based on literature analysis perspective
- Pierre Friedlingstein
- date::2024-10-14
- The role of forests in the EU climate policy: are we on the right track?
- Low latency carbon budget analysis reveals a large decline of the land carbon sink in 2023
- Philippe Ciais
- by: Patrick Greenfield
- French Laboratory of Climate and Environmental Sciences
- Johan Rockström
- Global Carbon Budget
- The enduring world forest carbon sink
- 2023
- Schwächung der marinen Kohlenstoffsenken
- Schwächung der terrestrischen Kohlenstoffsenken
- Tim Lenton
- Andrew Watson
Annotators
URL
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www.liberation.fr www.liberation.fr
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Extreme Regenfälle im Südosten und Zentrum Frankreichs im September gehören zu einer sogenannten „Mittelmeerepisode“ (épisode méditerranéen). Diese Ereignisse intensivieren sich durch die globale.Erhitzung. Die Libération hat dazu Klimaforschende befragt, und sie verweist auf eine aktualisierte Studie zur Erwärmung in Frankreich https://www.liberation.fr/environnement/climat/les-intemperies-dans-le-sud-est-de-la-france-enieme-illustration-des-effets-devastateurs-du-rechauffement-climatique-20241018_HCAHWSJACRADZNAVD5G7IZE66M/
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- Sep 2024
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www.theguardian.com www.theguardian.com
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Daten sprechen dafür, dass die Eisfläche um die Antarktis in diesem antarktischen Sommer noch mehr schrumpft als 2023. Am 7. September war die von Eis bedeckte Fläche kleiner als vor einem Jahr. Forschende sehen darin ein Anzeichen dafür, dass das ganze antarktische System in einen anderen Zustand übergegangen ist, weil sich die erhöhten Lufttemperaturen jetzt auch auf den Ozean auswirken. Zu den Folgen gehören Veränderungen der Strömungen und ein schnelleres Abschmelzen der antarktischen Gletscher. https://www.theguardian.com/world/article/2024/sep/10/two-incredible-extreme-events-antarctic-sea-ice-on-cusp-of-record-winter-low-for-second-year-running
Tags
- Abyssal ocean overturning slowdown and warming driven by Antarctic meltwater
- Australian Bureau of Meteorology
- Antarctica
- Australian Antarctic Program Partnership
- Will Hobbs
- sea ice loss
- British Antarctic Survey
- Phil Reid
- Recent reduced abyssal overturning and ventilation in the Australian Antarctic Basin
Annotators
URL
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- Aug 2024
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www.sciencedaily.com www.sciencedaily.com
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for - climate change impacts - marine life - citizen-science - potential project - climate departure - ocean heating impacts - marine life - marine migration - migrating species face collapse - migration to escape warming oceans - population collapse
main research findings - Study involved 146 species of temperate or subpolar fish and 2,572 time series - Extremely fast moving species (17km/year) showed large declines in population while - fish that did not shift showed negligible decline - Those on the northernmost edge experienced the largest declines - There is speculation that the fastest moving ones are the also the one's with the least evolutionary adaptations for new environments
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www.youtube.com www.youtube.com
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per Espen Stokes is the author of what we think about when we try not to think about global warming
for - book - What we think about when we try not to think about global warming - author - Per Espen Stokes - climate crisis - psychology of - Per Espen Stokes
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- May 2024
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www.derstandard.de www.derstandard.de
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Eine neue Studie zeigt, đass geringe Erhöhungen der Temperatur deutlich größere Auswirkungen auf die biologische Aktivität in Permafrostböden haben als bisher angenommen. Sie geben bei der Atmung CO<sub> 2</sub> an die Atmosphäre ab und treiben die Erwärmung an. https://www.derstandard.at/story/3000000218737/schon-kleines-temperaturplus-laesst-viel-kohlenstoff-aus-tundra-entweichen
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- Apr 2024
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www.theguardian.com www.theguardian.com
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Die durchschnittliche Oberflächentemperatur der Ozeane erreicht Anfang April mit 21,1° einen neuen Höchstwert. Die Temperaturen sind seit 1980 nahezu linear gestiegen. In diesem Jahr dürften sie durch das El Niño-Phänomen noch weiter ansteigen, sodass u.a. mehr marine Hitzewellen zu befürchten sind. https://www.theguardian.com/environment/2023/apr/08/headed-off-the-charts-worlds-ocean-surface-temperature-hits-record-high
Tags
- process:increase of ocean surface temperature
- institution: NOAA
- expert: Alex Sen Gupta,
- process: ocean warming
- expert: Mike McPhaden
- expert: Kevin Trenberth
- Parameter: temperature records
- phenomenon: El Niño
- expert: Dietmar Dommenget
- expert: Matthew England
- process: increasing risk of marine heatwaves
- process: increase of sea surface temperature
Annotators
URL
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- Feb 2024
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Tim Palmer
for - Tim Palmer - hot model - James Hansen - warrming in the pipeline
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- Jan 2024
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www.theguardian.com www.theguardian.com
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Zusammenfassender Artikel über Studien zu Klimafolgen in der Antarktis und zu dafür relevanten Ereignissen. 2023 sind Entwicklungen sichtbar geworden, die erst für wesentlich später in diesem Jahrhundert erwartet worden waren. Der enorme und möglicherweise dauerhafte Verlust an Merreis ist dafür genauso relevant wie die zunehmende Instabilität des westantarktischen und möglicherweise inzwischen auch des ostantarktischen Eisschilds. https://www.theguardian.com/world/2023/dec/31/red-alert-in-antarctica-the-year-rapid-dramatic-change-hit-climate-scientists-like-a-punch-in-the-guts
Tags
- Tony Press
- East antarctic ice sheet
- The Largest Ever Recorded Heatwave
- sea ice loss
- British Antarctic Survey
- Recent reduced abyssal overturning and ventilation in the Australian Antarctic Basin
- expert: Lesley Hughes
- Matt King
- Abyssal ocean overturning slowdown and warming driven by Antarctic meltwater
- Australian Centre for Excellence in Antarctic Science
- Denman glacier
- Record low 2022 Antarctic sea ice led to catastrophic breeding failure of emperor penguins
- Nerilie Abram
- Southern ocean overturning circulation
- Kaitlin Naughten
- Antarctica
- Bellingshausen Sea
- expert: Matthew England
- 2023-12-30
- Ice core records suggest that Antarctica is warming faster than the global average
Annotators
URL
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www.theguardian.com www.theguardian.com
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Die Antarktis erwärmt sich deutlich schneller als in den bisherigen Klimamodellen angenommen - die Westantarktis doppelt so schnell wie der globale Durchschnitt. Das könnte die Erhöhung des Meeresspiegels erheblich beschleunigen. Eine Untersuchung von Eisbohrkernen belegt das bisher nur vermutete Phänomen der Menschen gemachten "arktischen Verstärkung" in der Südhemisphäre.
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www.theguardian.com www.theguardian.com
- Dec 2023
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academic.oup.com academic.oup.com
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for: James Hansen, paper - Global Warming in the Pipeline, prediction - May 2024, find - May 2024 prediction, suggestion - debate - James Hansen - Michael Mann, climate crisis - politics, climate change - politics
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Summary
- See the Dan Miller interview in the reference below
- The key point for SRG work in mobilizing and awakening the sleeping giant of the commons is summarized in the 3rd required action in the last sentence of his abstract:
- "Current political crises present an opportunity for RESET, especially if young people can grasp their situation." (Bold is from SRG)
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reference
- James Hansen Dec. 2023 interview discussing this paper
- https://hyp.is/go?url=http%3A%2F%2Fdocdrop.org%2Fvideo%2F8Ag3UVSrlhE%2F&group=world
- Dan Miller, who interviews Hansen and who has coauthored a paper with him, states in the interview that May 2024 is a test date for validating the paper's claims:
- https://hyp.is/HRKEfqYAEe6lGJ_E57_9Mw/docdrop.org/video/8Ag3UVSrlhE/
- Find
- Identify the section in the paper that Miller is alluding to which makes the prediction about events of May 2024.
- Michael Mann's critique of the paper
- James Hansen Dec. 2023 interview discussing this paper
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Tags
- James Hansen - prediction - May 2024
- suggestion - debate - James Hansen - Michael Mann
- climate change - politics
- find - may 2024 prediction data
- Dan Miller - James Hansen Dec 2023 interview
- James Hansen
- Michael Mann - critique of James Hansen 2023 paper
- paper - Global Warming in the Pipeline
- climate crisis - politics
Annotators
URL
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www.youtube.com www.youtube.com
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- annotate
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for: James Hansen - interview - Paul Beckwith, Global warming in the pipeline
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Summary
- Paul discusses James Hansen's most recent, and controversial paper:
- Global warming in the pipeline
- with guest James Hansen
- the paper claims that IPCC protective are far too conservative
- Micheal Mann fort I've, disagrees with it:
- a
- Paul discusses James Hansen's most recent, and controversial paper:
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- Nov 2023
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www.theglobeandmail.com www.theglobeandmail.com
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for: James Hansen 2023 paper, Global Warming in the Pipeline, claim - IPCC underestimating global warming - James Hansen
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reference
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www.theguardian.com www.theguardian.com
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Jedes Zehntel Grad weiterer Temperaturerhöhung drängt 140 Millionen Menschen - vor allem in ärmeren Regionen - aus der sogenannten Klimatische, in der Menschen gut leben können. Forschende haben genau berechnet, wie viele Menschen bei verschiedenen Klimaszenarien in so heißen Gebieten leben würden, dass sie mit hoher Wahrscheinlichkeit zur Emigration gezwungen werden. Bei dem derzeit wahrscheinlichen 2,7 Grad-Szenario für 2100 wären das bis 2030 ca 2 Milliarden Menschen, bei einem 1,5 Gra-Pfad 400 Millionen. Auch in den nicht ganz so heißen Gebieten wird die Zahl der Extremwetterereignisse weiter zunehmen. https://www.theguardian.com/environment/2023/may/22/global-heating-human-climate-niche
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www.theclimateweb.com www.theclimateweb.com
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Explore What We Collectively Know About the Causes of, the Risks From, and the Solutions to Global Heating (Climate Change)
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www.theguardian.com www.theguardian.com
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Eine Gruppe von Forscher:innen um James Hansen hat eine Studie veröffentlicht, der zufolge sich die globale Erhitzung beschleunigt und die 1,5°-Grenze schon bald überschritten werden wird. Die These, dass der IPCC die Empfindlichkeit der Erde für Veränderungen in der Einstrahlung (Climate Sensitivity) bisher unterschätzt, ist nicht wissenschaftlicher Konsens, wird aber sehr ernst genommen. https://www.theguardian.com/environment/2023/nov/02/heating-faster-climate-change-greenhouse-james-hansen
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- Sep 2023
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phys.org phys.org
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Die Anzahl tropischer Stürme, die sich schnell intensivieren, bevor sie das Land erreichen, hat sich in den letzten 40 Jahren verdreifacht. Der Hurrikan Itdlia hat möglicherweise am schnellsten von allen bisher bekannten Stürmen verstärkt, weil er seine Energie aus extrem warmem Wasser bezieht. Diese Verstärkung lässt sich der globalen Erhitzung zu schreiben, auch wenn die Zahl der Stürme durch sie nicht zunimmt. https://phys.org/news/2023-08-idalia-potent-intensely-rocket-fuel.html?utm_source=nwletter&utm_medium=email&utm_campaign=daily-nwletter via La Repubblica
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- Aug 2023
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www.economist.com www.economist.com
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Ausführlicher und gut recherchierte Artikel über den aktuellen El Niño und seine möglichen ökologischen wirtschaftlichen Konsequenzen. Die globale Erhitzung erhöht in vielen Regionen das Risiko, dass es durch den voraussichtlich starken El Niño zu extremen Wetter-Ereignissen, Enteeinbrüchen und Epidemien kommt, in dramatisch (via @RuthMottram).
Infografik: https://www.economist.com/img/b/1000/1153/90/media-assets/image/20230826_FBC223.png
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www.derstandard.de www.derstandard.de
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Die Durchschnittstemperaturen der Ozeane liegen weiterhin auf Rekordhöhen. Die Geschwindigkeit, mit der sich die Meere erwerben hat sich seit 1980 mindestens verdreifacht. Der Standard hat den Klimaforscher Mojib Latf dazu im Klimapodcast befragt (Audio).
https://www.derstandard.at/story/3000000184246/die-rekordhitze-in-den-weltmeeren-haelt-an
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Auf Z. Hausfather gestützt, wird festgestellt, dass sich die Temperaturerhöhung des Nordatlantik nicht durch die Ursachen wie weniger Saharastaub und Schiffs-Aerosole allein erklären lässt, sondern sie auf den anthropogenen Klimawandel zurückzuführen ist. Infografiken:<br /> - Temperaturanomalie Ozeanoberflächen, - Durchschnittstemperatur der Ozeanoberfläche, - Prognosen Temperaturentwicklung der Ozeane vs. beobachteten Werten - Energieaufnahme der Ozeane.
https://www.nytimes.com/interactive/2023/08/03/climate/ocean-temperatures-heat-earth.html
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www.theguardian.com www.theguardian.com
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Die Durchschnittstemperatur der Ozeane erreichte Anfang August mit 20,96° (Daten des europäischen Wetter-Service Copernicus) einen neuen Rekord. Ein Teil der Temperatursteigerung dürfte auf den sich aufbauenden El Niño zurückgehen.
https://www.theguardian.com/environment/2023/aug/04/oceans-hit-highest-ever-recorded-temperature
BBC-Grafik:
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theconversation.com theconversation.com
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Über den neuen Satelliten SWOT, der ab September 2023 die Höhe der Meeresoberfläche global erfassen wird. Damit ist es möglich, lokale Wirbel (tourbillons) zu verfolgen, die eine wichtige Rolle bei der Regulation des Klimas spielen.
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Die globale Erhitzung droht die Anzahl der Organismen in den tiefsten noch vom Licht erreichten Zonen (200-1000m) in diesem Jahrhundert um bis zu 40% zu reduzieren. Bei höheren Temperaturen zerfallen Mikroorganismen schneller, so dass weniger Nahrung zur Verfügung steht. Diese Zone ist eine wichtige CO2-Senke. https://www.bbc.com/news/science-environment-65460128
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www.liberation.fr www.liberation.fr
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www.theguardian.com www.theguardian.com
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www.theguardian.com www.theguardian.com
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Todo: Climate Reanalyzer
Tags
- institution: NOAA
- expert: Ben Webber
- expert: Mike Meredith
- project: OISST
- process: ocean warming
- process: ocean heating
- expert: Simon Good
- institution: British Antarctic Survey
- expert: Mark Maslin
- expert: Matthew England
Annotators
URL
theguardian.com/environment/2023/apr/26/accelerating-ocean-warming-earth-temperatures-climate-crisis -
- Jul 2023
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www.axios.com www.axios.com
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A crucial year for understanding how ocean warming affects marine life
- Title
- A crucial year for understanding how ocean warming affects marine life
- Author
- Alison Snyder
- Date
- June 18, 2023
- Source
- Title
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www.sueddeutsche.de www.sueddeutsche.de
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In einem - leider kostenpflichtigen, aber über Blende zugänglichen - Interview äußert sich die britische Klimaforscherin Helen Hewitt zu den Rekordtemperaturen, die in den letzten Monaten in den Weltmeeren gemessen worden, und zum Rückgang des antarktischen Meereises. Sie weist darauf hin, dass noch unverstanden ist, wie es genau zu den großen Anomalien gekommen ist. Die obersten zwei Meter der Ozeane nehmen 90% der zusätzlichen Energie auf, die durch die von Menschen imitierten Treibhausgase im Erdsystem bleibt.
https://www.sueddeutsche.de/projekte/artikel/wissen/klimakrise-daten-ozeane-e370703/?reduced=true
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- Jun 2023
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www.climate.gov www.climate.gov
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It was partly through their attempts to understand what caused and ended previous ice ages that climate scientists came to understand the dominant role that carbon dioxide plays in Earth’s climate system, and the role it is playing in current global warming.
claim
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- May 2023
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en.wikipedia.org en.wikipedia.org
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- Apr 2023
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www.derstandard.de www.derstandard.de
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Hintergrund im Standard zu den erhöhten Oberfächentemperaturen der Ozeane. Besonders betroffen sind auch Mittelmeer und Adria. https://www.derstandard.at/story/2000145933708/ozeane-brechen-temperaturrekorde-und-stellen-fachleute-vor-raetsel
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Die Oberflächentemperaturen der Ozeane haben im April einen neuen allzeitrekord erreicht noch nie in der aufgezeichneten Geschichte haben sich die Temperaturen so schnell und so stark erhöht wie im Augenblick. Es gibt deutliche Anzeichen für ein starkes El Niño-Phänomen in diesem Jahr und Vermutungen, dass deshalb die 1,5 Grad-Grenze schon im kommenden Jahr überschritten werden wird. https://www.bbc.com/news/science-environment-65339934
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- Feb 2023
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www.carbonbrief.org www.carbonbrief.org
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In its 2013 fifth assessment report, the IPCC stated in its summary for policymakers that it is “extremely likely that more than half of the observed increase in global average surface temperature” from 1951 to 2010 was caused by human activity. By “extremely likely”, it meant that there was between a 95% and 100% probability that more than half of modern warming was due to humans.
This website is creating the argument using reports by the IPCC stating that its extremely likely that 95% to 100% that more than half modern global warming was caused by humans. This is infact false information or "misinformation" because there are many scientific studies that prove that global warming is a natural process and is not caused by humans
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- Jan 2023
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www.theguardian.com www.theguardian.com
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Die Erwärmung der Ozeane hat sich im letzten Jahr kontinuierlich fortgesetzt und einen neuen Rekord erreicht. Unmittelbare Folge sind intensivere Extremwetterereignisse wie tropische Stürme und Hurrikans.
Studie: https://link.springer.com/article/10.1007/s00376-023-2385-2
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- Jul 2022
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So the first transition, they say, was about 10,500 years ago with the beginning of agriculture. Some have said farming was our biggest mistake: it supported more of us, but at the cost of more disease, poor nutrition, grinding labour, and hierarchical societies that turned into warring empires. But we gained more energy from domesticating animals, and more information by the invention of writing. “Serendipitously,” the authors write, “farming created environmental conditions across our home planet that were unusually stable. This gave time for large-scale civilizations to develop.” That is, humans launched global warming not in the 1800s but with the first agriculture. By burning off forests to make farmland, we began to pump carbon dioxide into the atmosphere — coincidentally, just as the earth was moving on schedule back into another glacial period. Over the next few thousand years farming spread across Asia, Africa, Europe, and much of the Americas, keeping the planet just a little too warm for a return of the glaciers.
First transition The authors make an extraordinary claim that the Holocene not only coincided with the beginnings of agriculture, but that humans, in large scale burning of forests to create agricultural fields released sufficient quantities of CO2 emissions from the burning to prevent the coming of the next ice age!
Do a literature review to see if there is evidence for such an extraordinary claim.
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- Jun 2022
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www.science.org www.science.org
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dire warning
Really? What's the dire warning? Whatever creatures dominated at the time of the warm period flourished and expanded their ranges. Even now, humanity flourishes most in warmer places (http://www.luminocity3d.org/WorldPopDen/#3/12.00/10.00).
Contrary to the climate alarmist suggestion that warming should be stopped, the study shows that a warmer Earth has been the norm - and when it was, life of all kinds flourished.
That's the opposite of a "dire warning" to any sensible person.
But if people wake up to the scientific reality, why would anyone want to pay scientists to come up with ways to keep us trapped in the ice age we've been in for most of human history?
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- Sep 2021
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www.propublica.org www.propublica.org
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Since about 70% of water delivered from the Colorado River goes to growing crops, not to people in cities, the next step will likely be to demand large-scale reductions for farmers and ranchers across millions of acres of land, forcing wrenching choices about which crops to grow and for whom — an omen that many of America’s food-generating regions might ultimately have to shift someplace else as the climate warms.
Deep Concept: The US Government, in the 1960's/70's provided a crystal ball glimpse into the future by defining climate change (man-made global warming) as a national security concern. Various reports warned of "exponential" growth (population) and related man-made factors (technology etc.) that would contribute to climate change and specifically discussed the possibility of irreconcilable damage to "finite" natural resources.
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- May 2021
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www.zmescience.com www.zmescience.com
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Zusammenfassung der Tweets von Scott Duncan über die Hitzewelle in der Arktis.
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- Apr 2021
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www.derstandard.at www.derstandard.at
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"Weltweit steigt mit dem Klimawandel das Risiko von extremen Regenfällen und Überschwemmungen", fasst Will Steffen von der australischen Nationaluniversität zusammen. Der Professor ist einer der führenden Klimatologen Australiens. "Die globale Durchschnittstemperatur ist bereits um etwa 1,1 Grad Celsius gestiegen. Für jeden Temperaturanstieg von einem Grad kann die Atmosphäre etwa sieben Prozent mehr Wasser aufnehmen", so Steffen
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- Mar 2021
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climatecite.com climatecite.com
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Manmade CO2 Does Not Cause Measurable Warming
Actually, CO2 does cause measurable warming. The warming effect is not huge, and not worrisome, but it is not zero, and it is large enough to be measurable.
There really is no question about the fact that the Earth's average temperature has warmed slightly, as CO2 levels have risen, over the last six decades. The magnitude of that change is debatable: different "global" composite temperature indices vary in their measured trend by approximately a factor of two. But none of them show zero trend.
The "climate sensitivity" of the Earth's temperatures to changes in CO2 level can be estimated by careful comparison of measured temperatures to measured CO2 levels. Here's an example on my web site, showing how that can be done:
https://sealevel.info/sensitivity.html
Climate change is a highly politicized issue, so, as is the case for any politicized issue, if you want to understand it you need to seek out balanced information. If you want to learn about the SCIENCE of climate change, instead of political spin, here's a list of resources which can help:
https://tinyurl.com/learnmore4
It has:
● accurate introductory climatology information
● in-depth science from BOTH skeptics & alarmists
● links to balanced debates between experts on BOTH sides
● information about climate impacts
● links to the best blogs on BOTH sides of the issue
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- Feb 2021
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www.sciencedirect.com www.sciencedirect.com
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van der Linden, S. (2021). The Gateway Belief Model (GBM): A review and research agenda for communicating the scientific consensus on climate change. Current Opinion in Psychology, 42, 7–12. https://doi.org/10.1016/j.copsyc.2021.01.005
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- Jan 2021
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climatemodeling.science.energy.gov climatemodeling.science.energy.gov
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Scientists at Lawrence Livermore National Laboratory in collaboration with colleagues from Nanjing University and Texas A&M University have re-evaluated how much future global warming is in the pipeline if atmospheric greenhouse gas concentrations were to remain fixed at present-day levels, a quantity known as committed warming. Their new analysis accounts for the fact that surface warming to date has been large in certain regions but small in others, which has temporarily allowed Earth to shed heat more efficiently. Ignoring this “pattern effect”, as has been done in previous studies, gives the false impression that Earth’s energy budget is nearly balanced and implies that committed warming is only about 1.3°C (2.3°F) above pre-industrial levels. The team’s updated estimate is substantially larger, with a most likely value of 2.3°C (4.1°F).
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Our planet’s energy balance is sensitive to spatial inhomogeneities in sea surface temperature and sea ice changes, but this is typically ignored in climate projections. Here, we show the energy budget during recent decades can be closed by combining changes in effective radiative forcing, linear radiative damping and this pattern effect. The pattern effect is of comparable magnitude but opposite sign to Earth’s net energy imbalance in the 2000s, indicating its importance when predicting the future climate on the basis of observations. After the pattern effect is accounted for, the best-estimate value of committed global warming at present-day forcing rises from 1.31 K (0.99–2.33 K, 5th–95th percentile) to over 2 K, and committed warming in 2100 with constant long-lived forcing increases from 1.32 K (0.94–2.03 K) to over 1.5 K, although the magnitude is sensitive to sea surface temperature dataset. Further constraints on the pattern effect are needed to reduce climate projection uncertainty.
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Bericht über eine Fernsehsendung mit Michael Mann, bei der es insbesondere darum geht, dass ein rascher stop der CO2 Emissionen schon in wenigen Jahren dazu führen kann, dass sich die globale Erhitzung nicht länger fortsetzt.
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insideclimatenews.org insideclimatenews.org
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The widespread idea that decades, or even centuries, of additional warming are already baked into the system, as suggested by previous IPCC reports, were based on an “unfortunate misunderstanding of experiments done with climate models that never assumed zero emissions.”
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www.spiegel.de www.spiegel.de
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Ein Gastbeitrag von Stefan Rahmstorf Dramatisch übertriebene Berichte über Forschungsergebnisse können Resignation auslösen. Ein aktuelles Beispiel machte wieder Schlagzeilen – dabei war die Methode wenig aussagekräftig.
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The severity of damaging human-induced climate change depends not only on the magnitude of the change but also on the potential for irreversibility.
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bg.copernicus.org bg.copernicus.org
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The Zero Emissions Commitment (ZEC) is the change in global mean temperature expected to occur following the cessation of net CO2 emissions and as such is a critical parameter for calculating the remaining carbon budget. The Zero Emissions Commitment Model Intercomparison Project (ZECMIP) was established to gain a better understanding of the potential magnitude and sign of ZEC, in addition to the processes that underlie this metric. A total of 18 Earth system models of both full and intermediate complexity participated in ZECMIP. All models conducted an experiment where atmospheric CO2 concentration increases exponent
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- Sep 2020
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en.wikipedia.org en.wikipedia.org
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Merchants of Doubt. (2020). In Wikipedia. https://en.wikipedia.org/w/index.php?title=Merchants_of_Doubt&oldid=950272903
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- Aug 2020
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www.newscientist.com www.newscientist.com
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Association, N. S. and P. (n.d.). Covid-19 lockdowns will have little lasting impact on global warming. New Scientist. Retrieved August 10, 2020, from https://www.newscientist.com/article/2251313-covid-19-lockdowns-will-have-little-lasting-impact-on-global-warming/
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- Jul 2020
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psyarxiv.com psyarxiv.com
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Leiserowitz, A., Maibach, E., Rosenthal, S. A., Kotcher, J., Bergquist, P., Ballew, M. T., Goldberg, M. H., Gustafson, A., & Wang, X. (2020). Climate change in the American Mind: April 2020 [Preprint]. PsyArXiv. https://doi.org/10.31234/osf.io/8439q
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Leiserowitz, A., Maibach, E., Rosenthal, S. A., Kotcher, J., Ballew, M. T., Bergquist, P., Gustafson, A., Goldberg, M. H., & Wang, X. (2020). Politics and global warming, April 2020 [Preprint]. PsyArXiv. https://doi.org/10.31234/osf.io/d7vbq
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- Jan 2020
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www.hcn.org www.hcn.org
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Or global warming. I can’t see or touch it. What I can see and touch are these raindrops, this snow, that sunburn patch on the back of my neck. I can touch the weather. But I can’t touch climate. So someone can declare: “See! It snowed in Boise, Idaho, this week. That means there’s no global warming!” We can’t directly see global warming, because it’s not only really widespread and really really long-lasting (100,000 years); it’s also super high-dimensional. It’s not just 3-D. It’s an incredibly complex entity that you have to map in what they call a high-dimensional- phase space: a space that plots all the states of a system. In so doing, we are only following the strictures of modern science, laid down by David Hume and underwritten by Immanuel Kant. Science can’t directly point to causes and effects: That would be metaphysical, equivalent to religious dogma. It can only see correlations in data. This is because, argues Kant, there is a gap between what a thing is and how it appears (its “phenomena”) that can’t be reduced, no matter how hard we try. We can’t locate this gap anywhere on or inside a thing. It’s a transcendental gap. Hyperobjects force us to confront this truth of modern science and philosophy.
A short, and very cogent argument here.
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The strategy would focus on vigorous range management, soil and water conservation including tree-planting, limiting over-grazing and preventing deforestation. Improving water availability would also require additional construction of surface dams during rainy seasons and deep wells.
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The primary causes of desertification in Somaliland include, among other things, deforestation, over-grazing and mismanagement of land and the environment as well as soil erosion, all of which have damaging effects on farmland and rangeland. Drought, considered as a cyclical phenomenon generally refers to rains failing for a long period of time which accelerates desertification and drastic reduction of water. Drought, is more compounded nowadays, by global climate change.
a more complex explanation of desertification in Somalia
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www.greenfacts.org www.greenfacts.org
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Rehabilitation and restoration approaches can help restore ecosystem services that have been lost due to desertification.
desertification - prevention and restoration
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www.pbs.org www.pbs.org
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(Through interpreter) Definitely there is a change. We used to count on the rainy season and the dry seasons. Now it's not normal. It has changed. We hear on the radios that in the West and in industrialized countries, there is a lot of pollution in the atmosphere.
relationship between drought and global warming - Somali perspective
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- Sep 2019
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www.ipcc.ch www.ipcc.ch
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Table 2.2:
IPCC Special Report on Global Warming of 1.5 °C - Table 2.2: The assessed remaining carbon budget and its uncertainties
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- Mar 2019
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www.thehindu.com www.thehindu.com
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According to the analysis, urban areas were found to be relatively cooler than the surrounding non-urban areas during heat waves. At 44.5°C, the non-urban areas were warmer than urban areas (43.7°C). However, during the night, all urban areas were hotter than the surrounding non-urban areas.
Urban heat island effect
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www.thehindu.com www.thehindu.com
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Most strikers want their governments to aggressively cut their greenhouse gas emissions. Some youngsters are even demanding a lower voting age, so they can have a bigger say in political process. They want a safe future, powered by the wind and the sun, not dirty and dangerous coal and gas. For instance in Australia, students are urging politicians to move beyond fossil fuel projects, with the hashtag #StopAdani trending. The fear is that the coal mine project will damage water and the reefs.
More power to you!
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- Jan 2019
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static1.squarespace.com static1.squarespace.com
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. The power of glaciation and climate in shaping movement, lifestyle,and innovation cannot be underestimated
really off topic but makes me think of global warming and how our present actions can have huge, tangible consequences
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- Mar 2018
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www.inverse.com www.inverse.com
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Consistent rates of ice disappearance support scientists’ prediction that the Arctic will be completely devoid of ice by 2040.
Wow. Really alarming.
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insideclimatenews.org insideclimatenews.org
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As global temperatures rise, warmer oceans are expected to fuel stronger hurricanes, with disastrous consequences.
Here is a sample annotation.
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- Oct 2017
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academic.oup.com academic.oup.com
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‘Truly it would seem as if “Man strews the earth with ruin.”4 But this conclusion is too flattering to human vanity. Man's most permanent memorial is a rubbish-heap, and even that is doomed to be obliterated’ (Sherlock, 1922, p. 343
CO2 atmospheric concentration used as simple indicator for many years to track great acceleration / progression in Anthropocence, this now joined by long list of other indicators, escalating at an alarming rate, population, water use/ shortage, paper consumption, global warming, increase in number and ferocity of storms .......
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In 1873, the Italian geologist and priest Antonio Stoppani suggested that our technologies, infrastructures, and patterns of land use had created fundamental changes in Earth’s systems, propelling us into what he called an ‘anthropozoic era’
Note : Read over Article again by Will Steffen, Paull J Crutzen & John R McNeill. [] (https://www.pik-potsdam.de/news/public-events/archiv/alter-net/former-ss/2007/05-09.2007/steffen/literature/ambi-36-08-06_614_621.pdf)
Explore development of Anthropocence. How do we track progression of Anthropocene? CO2 Emissions??
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- Aug 2015
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www.vox.com www.vox.com
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The right-wing base has a coherent position on climate change: It's a hoax, so we shouldn't do anything about it. The left-wing base has a coherent position: It's happening, so we should do something about it. The "centrist" position, shared by conservative Democrats and the few remaining moderate Republicans, is that it's happening but we shouldn't do anything about it. That's not centrist in any meaningful ideological sense; instead, like most areas of overlap between the parties, it is corporatist.
The worst possible outcome.
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