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Hashtag
#ClimateHistory
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Gillreath-Brown & Kohler 2024. Low-frequency July temperature anomaly reconstruction for the southwestern United States as defined in inset (based on Gillreath-Brown et al. 2024:Figure 5). The extent of the SWUS inset is approximately: xmin = −112.82, xmax = −105.52, ymin = 32.66, ymax = 38.90. Blue line fitted by loess (local polynomial regression fitting) smoothing (α = 0.15). Negative values on the y-axis indicate temperatures cooler than the 1961–1990 average; the horizontal line at 0 marks the average July temperature from 1961–1990. Negative values on x-axis indicate years BC.
How did El Niño and La Niña cycles shape Pueblo history? By driving maize farming success in wet years and hardship in dry ones according to Gillreath-Brown & Kohler. buff.ly/fI7RgtO
#Archaeology #ClimateHistory #SouthwestHistory #Maize #Pueblo
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[8/8] Ces données améliorent les modèles climatiques mais la prévision reste incertaine, surtout en Europe. Elles invitent aussi à repenser l’habiter littoral, alors que les sociétés passées se déplaçaient davantage face aux risques, limitant leur vulnérabilité. #HGGSP #geography #climatehistory
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Lots of cowardice, stupidity, failure on this day in #ClimateHistory.
March 13, 1989 – UK Energy Department shits all over everyone’s future by dissing the Toronto Target (for a 20% cut in emissions by 2005)
allouryesterdays.info/2022/03/13/m...
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Feb 19 in #ClimateHistory
1971 – Nature editorial on “The Great Greenhouse Scare”
1981 – Nature article “Greenhouse Effect: Act Now, Not Later”
1981 – Ecology Party meeting in Wells warns of carbon dioxide build-up
2003 – “CCS to be studied by IPCC”
2007 – Australian gas lobby hard at work
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TODAY IN CLIMATE HISTORY |
The Kyoto Protocol entered into force on 15 February 2005
The world's first legally binding climate treaty became international law after 7 years of negotiations. It was replaced by the Paris Agreement in 2015.
#ClimateHistory
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Feb 16 #ClimateHistory
1970 – Sports Illustrated readers appreciate eco-warning
1972 – Dept of Env = “we can’t be complacent"
2007 – Liberals say climate is a “mass panic”
2014 – US climate envoy John Kerry denounces “shoddy scientists and extreme ideologues”
allouryesterdays.info/2026/02/15/o...
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Quoted passage from Mauro et al. 2026, https://www.sciencedirect.com/science/article/pii/S1125786526000123: "Conclusions Numerous legends surround Stradivari’s violins, which are often rooted in a mythologized perception of the luthier. This study represents the most comprehensive dendrochronological investigation ever conducted on Stradivari’s violin production. The results revealed frequent use of wood that was from the same trunk, from high-altitude sites, and subject to an enhanced growth-limiting factor, which was probably related to low temperatures as a consequence of the Maunder Minimum. The vast majority of the material was traced back to the Eastern Alps and adjacent Central European regions. The identification of groups with high internal similarity suggests that around the early 1700 s, Stradivari ceased using materials of mixed provenance and began to favour wood sourced from high-altitude forests in the Val di Fiemme area. This result supports the well-documented qualitative evolution of Stradivari’s craftsmanship, which reached its peak known as the “golden period” in the early 18th century.
Don't know what the Maunder Minimum is? Hopefully, we will see a new generation of basic historical teaching that incorporates new elements of #ClimateHistory into our conceptions of historical periodization. 🧪🗃️
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A busy day in climate history Forty eight years ago, American audiences on PBS were treated to discussion about possible causes of climate change February 1, 1978 – US TV show MacNeill Lehrer hosts discussion about climate change Thirty six years ago the piss-weak daily business paper “The Fin” reprints a piece from the Financial Times about the crazy radical idea of, erm, putting a price on carbon dioxide. February 1, 1990 – Australian Financial Review ponders carbon tax… (via FT) Twenty one years ago scientists gather in Exeter to discuss “Avoiding Dangerous Climate Change.” Er, we didn’t, it’s here and it’s going to get so much worse. Oh well. February 1, 2005 – “Avoiding Dangerous Climate Change” conference begins – All Our Yesterdays Rich people aren’t always stupid. On this day 19 years ago, an investor explains the consequences of a stupid American president. Feb 1, 2007- Jeremy Grantham slams Bush on #climate Interview with documentary film maker, Russell Porter Feb 1 2023 – Interview with Russell Porter, Australian documentary maker Are there other climate-related events that happened on this day that you think deserve a shout out? If so, let me know. As ever, invite me on your podcast, etc etc.
Feb 1st - a busy day in #ClimateHistory
allouryesterdays.info/2026/01/31/o...
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On this Day: January 25th #ClimateHistory
1994 - "UK Sustainable Development Strategy" released
1995 - Australian electricity reforms = more pollution
2013 - At Davos Lord Stern admits he underestimated climate impacts
allouryesterdays.info/2026/01/24/o...
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Humans returned to Ice Age Britain earlier than we thought. A brief spike in summer warmth around 15,200 years ago was enough to draw hunters north with reindeer and horses. Climate, timing, and survival. #Archaeology #Paleolithic #HumanEvolution #ClimateHistory www.anthropology.net/p/when-summe...
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On this Day: January 19th, in #ClimateHistory
Engineers are not ecologists (1968)
Cement consequences (1976),
Gambling with the future (1992)
and CCS pull out (2015)
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❄️ How did the British–Irish Ice Sheet retreat after the Last Glacial Maximum?
Dr Alex Clark (@royalholloway.bsky.social) reveals new evidence for rapid, unstable ice-sheet retreat.
📅 22 Jan 2026 | 🕐 1–2 pm
#UCLGeography #Palaeoclimate #Glaciology #IceSheet #ClimateHistory #UCLResearch
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![A quote from Klimenko et al. 2026, "Fertility Decrease and Rising Volcanic Activity Can Stop Global Warming," https://doi.org/10.1134/S1028334X25608351.
"The chronology of global volcanism throughout the Holocene reconstructed in the last decade, convincingly demonstrates that volcanic activity undergoes significant temporal fluctuations and that over the last 150 years volcanic activity has been unusually quiet [13, 14]. Meanwhile, exactly this recent period was chosen to assess the role of volcanoes in the 21st century in CMIP6 (the Coupled Model Intercomparison Project Phase 6), the main tool for climate projections, which provides the foundation for communicating climate change-related issues to the broad international public [1]. Thus, it is highly likely that the degree of upcoming warming will be corrected considerably if volcanic activity in the next 100–200 years returns to the anomalously high levels that are typical, for example, of the 6th or 13th centuries, when it exceeded the modern level by 4–5 times [13]."](https://cdn.bsky.app/img/feed_thumbnail/plain/did:plc:twqucin7jqhlteuk37lqltr7/bafkreihin55uypfnrczseenjh4wtnq4eiqfrgwxxs5lihmxvgmfapmmc54)
A quote from Klimenko et al. 2026, "Fertility Decrease and Rising Volcanic Activity Can Stop Global Warming," https://doi.org/10.1134/S1028334X25608351. "The chronology of global volcanism throughout the Holocene reconstructed in the last decade, convincingly demonstrates that volcanic activity undergoes significant temporal fluctuations and that over the last 150 years volcanic activity has been unusually quiet [13, 14]. Meanwhile, exactly this recent period was chosen to assess the role of volcanoes in the 21st century in CMIP6 (the Coupled Model Intercomparison Project Phase 6), the main tool for climate projections, which provides the foundation for communicating climate change-related issues to the broad international public [1]. Thus, it is highly likely that the degree of upcoming warming will be corrected considerably if volcanic activity in the next 100–200 years returns to the anomalously high levels that are typical, for example, of the 6th or 13th centuries, when it exceeded the modern level by 4–5 times [13]."
Whoa! This made my ears perk up: "and the expected increase in global volcanism." As someone working on global history of the 13th century, I'm not sure that's a "model" we want to look back on w/ rose-colored glasses! #Samalas #MedievalSky #plague #ClimateHistory
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📘 New on Cadmus Journal:
Thoughts on Repeated Past Major Climatic Events explores what ancient climatic upheavals — floods, droughts & volcanic winters — can teach us about today’s climate challenges and resilience planning.
🔗 cadmusjournal.org/article/volu...
#ClimateHistory #CadmusJournal
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On this Day in #ClimateHistory - January 11th
Jan 11, 1909 – Boundary Object(ions).
allouryesterdays.info/2025/01/11/j...
Jan 11, 1970 – A new Ice Age on its way?
allouryesterdays.info/2024/01/10/j...
Jan 11, 2010 – Bad news study about trees and the warming
allouryesterdays.info/2023/01/10/j...
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On this Day in #ClimateHistory: January 11th – the law (1909), new ice age? (1970) and a warming Arctic (2010)
allouryesterdays.info/2026/01/10/o...
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@tudorfarming.bsky.social and I are looking into eDNA as a means of assessing the environment and using a peat bog with a really strong pollen record as the source. Can anyone recommend articles/books? TIA!
#Environment #ClimateHistory #Climate #MedievalClimate #MedievalEnvironment
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screengrab of AOY post
On this day (Jan 7) in #ClimateHistory - a thread
1970 – “Ecology Action East” is “intersectional”
2004 – geoengineering our way outa trouble?
2006 – Bureau of Meteorology with another warning
2013 – Australian activist pretends to be ANZ bank, w/ spectacular results
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On this day (Jan 7) in #ClimateHistory
1970 – “Ecology Action East” is “intersectional”
2004 – geoengineering our way outa trouble?
2006 – Bureau of Meteorology with another warning
2013 – Australian activist pretends to be ANZ bank, w/ spectacular results
allouryesterdays.info/2026/01/06/o...
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January 4th - On this day in #ClimateHistory
Jan 4, 1977 – US politician introduces #climate research legislation
Jan 4, 1982 – Global 2000 Report updated
Jan 4, 2005 – Senator James Inhofe exemplifies denialist bullshit
Jan 4, 2015 – Senator Christine Milne exemplifies sanity
🧵
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On this Day: January 4th – research funding (1977), reports (1982), denial (2005) and warnings (2015) – just another day for you and me in the Anthropocene/Fafocene
#ClimateHistory
allouryesterdays.info/2026/01/03/o...
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January 3rd - On this day in #ClimateHistory
Jan 3, 1984 – US report on energy transition to combat climate released.
Jan 3, 1988 – "The Sea, The Summer", early Australian cli-fi, reviewed.
Jan 3, 1992 – Greenpeace vs POTUS
January 3, 2007 – Smoke, Mirrors and Hot Air, says UCS
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On this Day: January 3rd – transitions, Greenpeace, smoke and mirrors
#ClimateHistory
allouryesterdays.info/2026/01/02/o...
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On this Day: January 2 – of communists, green fatigue, Trump and wishlists.
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#ClimateHistory
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January 1st a busy day in #ClimateHistory
1958 - US fears Soviet weather modification
1970 - Nixon goes all Greta
1981 - "Climate Change and Society" book published
1988 - Reagan signs climate act
2005 - EU ETS starts
2007 - Hansen says "different planet"
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allouryesterdays.info/2025/12/31/o...
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The Black Death was not in volcanic ash.
Volcanic cooling disrupted climate and trade, allowing Yersinia pestis to spread through medieval ports.
historylife78.wordpress.com/2025/12/22/t...
#BlackDeath #PlagueHistory #MedievalHistory #ClimateHistory #YersiniaPestis
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The 8.2 ka climate event did not destroy Jiahu. It reshaped it. New research shows migration, labor reorganization, and social change helped this early Chinese village adapt rather than collapse. #Archaeology #ClimateHistory #HumanResilience #Neolithic www.anthropology.net/p/after-the-...
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[10/10] La recherche explique le lien climat-santé-mobilités en montrant comment un volcanisme lointain a réorganisé récoltes, échanges et circulations de pathogènes. Dans un monde interdépendant, le changement climatique peut favoriser de nouveaux scénarios pandémiques.
#HGGSP #ClimateHistory
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