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Jussi T. Eronen

@jussiteronen.bsky.social
2.2K followers 1.4K following 2.8K posts

Socio-ecological systems, energy transition, ecology, environment, natural resources, climate, paleo, anthropology.. | Prof. & Vice-Dean at FBES @helsinki.fi | History, Fantasy & sci-fi | Hopeful for better tomorrow. He/Him. Personal account. posts ENG/FIN

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Reposted by Jussi T. Eronen
Justin S. Mankin @jsmankin.bsky.social · 25/09/2026
"Pricing El Niño is not the same as preventing its loss of life. Yet, many of those acting on its forecasts are using them to move money, not people, out of harm’s way." My editorial for Science on why hedging El Niño is not the same as adapting to it: www.science.org/eprint/DU6FR...
science.org
Hedging El Niño isn’t the same as adapting to it
Record-setting warm waters slosh eastward across the tropical Pacific, forming El Niño. This recurrent climate pattern reconfigures severe weather worldwide, and with it, the global economy. Scientist...
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Jussi T. Eronen @jussiteronen.bsky.social · 24/09/2026
Very interesting read. China is closing the gap between them and USA in the AI race... www.aljazeera.com/news/2026/9/...
aljazeera.com
China vs US: Who is winning the AI race, in four charts
The US dominates AI spending and computing power, but China is ahead in research and closing the gap on advanced models.
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Reposted by Jussi T. Eronen
Peter du Toit @peterdutoit.com · 24/09/2026
While we are now certain that Sep 2026, will not be the hottest September ever recorded - that was Sep 2023 at 1.75ºC above pre-industrial (ERA5) - it will be the second hottest at ~1.61)C But things are about to get interesting in Oct-Nov-Dec. Graphic source: dashboard.theclimatebrink.com#global
Recent years against era envelopes (5–95th percentile per era). Dashed: EC46 46-day forecast. Shaded column: the current month.
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Jussi T. Eronen @jussiteronen.bsky.social · 22/09/2026
Nice Review of current El Nino and it's possible repercussions. www.nature.com/articles/d41...
nature.com
The worst El Niño in recorded history is brewing — here’s how governments must prepare
From southern Africa to the Amazon, the risks are mounting and the window for action is rapidly closing.
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Jussi T. Eronen @jussiteronen.bsky.social · 22/09/2026
No idea what to make out of this. Cordon Sanitaire is no more in European politics.. www.politico.eu/article/noth...
politico.eu
Nothing ‘to be ashamed of:’ EU’s center-right clashes with Socialists over far-right votes
“On some issues, I think that they are relatively sane,” says top center-right Finnish lawmaker of far-right parties.
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Jussi T. Eronen @jussiteronen.bsky.social · 21/09/2026
We are in uncharted territory...
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Jussi T. Eronen @jussiteronen.bsky.social · 21/09/2026
Aqueduct, sediments, environmental history. What a cool study this is. www.discovermagazine.com/300-years-of...
discovermagazine.com
300 Years of Aqueduct Deposits May Link the Plague of Cyprian to the Decline of Roman Nîmes
Discover what an ancient aqueduct can tell us about the rise and fall of “the French Rome” under Roman rule.
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Serene Doomer @serenaribena.bsky.social · 19/09/2026
'Droughts across the US & 🇪🇺 have been shriveling harvests, ; weather forecasts for a “super” El Niño this year means “there are some alarming signals” about the impact of weather on wheat crops, said Lampreia, a market strategist at the Lisbon-based Freedom24.' www.theguardian.com/business/202...
theguardian.com
US wheat farmers navigate uncertainty amid drought and geopolitical chaos
Some experts worry factors affecting wheat exports could push global food prices even higher than they are now
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Reposted by Jussi T. Eronen
Nathan Tankus @nathantankus.bsky.social · 19/09/2026
Apparently more than one outlet has been doing the bizarre "interview AI generated actor Tilly Norwood" thing and on Piers Morgan it glitches out and starts speaking Chinese. I promise its much, much funnier than it sounds.
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Jussi T. Eronen @jussiteronen.bsky.social · 19/09/2026
Tensions in the middle East keep escalating..
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Frank Melzner @frankmelzner.bsky.social · 18/09/2026
Our lab is hiring a long-term Postdoc in marine animal physiology (5 years). Great chance to work with us phenotyping mussels & to develop your own research program on questions of choice. Excellent lab and aquaristics facilities and easy access to European seas: jobs.univie.ac.at/job/Postdoc-...
jobs.univie.ac.at
Postdoc marine evolutionary physiology (University Assistant)
Postdoc marine evolutionary physiology (University Assistant)
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Richard Waite @waiterich.bsky.social · 16/09/2026
Good article, but there’s one understated piece: higher land use of organic ag means that if we shift toward organic at current consumption patterns, more natural ecosystems need to be cleared for farming, causing carbon losses, making total GHG emissions of organic usually higher vs. conventional.
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John Smillie @johnsmillie42.bsky.social · 16/09/2026
Facts worth repeating: It would be cheaper to pay the ~40,000 or so people employed by the coal industry $1M a year to do nothing than to pay for the health damages (not including climate change) caused by burning coal in the U.S. publichealth.hsc.wvu.edu/news/story?h...
publichealth.hsc.wvu.edu
Counting up the costs of coal
Regular readers know that WVU’s Dr. Michael Hendryx has done work on that issue (subscription required), reporting that:
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Jussi T. Eronen @jussiteronen.bsky.social · 16/09/2026
This is a weird world.
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Reposted by Jussi T. Eronen
Matt Henderson @matthen.com · 16/09/2026
Trying to forecast the future on a Galton board
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Jussi T. Eronen @jussiteronen.bsky.social · 16/09/2026
Sometimes, the way the world works is weird, and the true tale sounds like invented stories.. You can't make this up. www.popsci.com/science/lewi...
popsci.com
Lewis and Clark’s mercury-laced poop helped archaeologists trace their expedition
Welcome to a poisonous trail of number two.
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Jussi T. Eronen @jussiteronen.bsky.social · 16/09/2026
Fascinating (and slightly concerning) development. See the evolution of language in real time, and compressed to a super-small timescale. www.theguardian.com/technology/2...
theguardian.com
AI models chatting in ‘surreal’ dialect mixing poetic language and tech bro jargon
Experts air concern over AI lingo redolent of James Joyce’s prose that is creating barriers to monitoring and oversight
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Jussi T. Eronen @jussiteronen.bsky.social · 15/09/2026
Star Wars on Earth orbit... www.reuters.com/business/aer...
reuters.com
US orbital weapons acknowledgement a "landmark" move, US Space Command official says
The U.S. Air Force chief's acknowledgment this week that the Pentagon has weapons in orbit is a "landmark" moment in the rising militarization of space aimed at deterring aggression against Washington...
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Jussi T. Eronen @jussiteronen.bsky.social · 15/09/2026
Now the news starts to be packed full of El Nino prognostics and impact predictions. The best overall view of the phenomena is provided by this Carbon Brief article.. interactive.carbonbrief.org/el-nino-expl...
interactive.carbonbrief.org
Explainer: How the ‘super El Niño’ will reshape the world’s weather
The world is currently experiencing what is expected to become the strongest El Niño on record – dubbed a “super El Niño” by many.
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Reposted by Jussi T. Eronen
Mika Rantanen @mikarantane.bsky.social · 11/09/2026
Job alert: full professorship in meteorology in the University of Helsinki! New position in dynamic meteorology, synoptic-scale meteorology and numerical weather prediction. The vacancy has been opened due to the passing of Dr. Victoria Sinclair. Details: jobs.helsinki.fi/job/Helsinki...
jobs.helsinki.fi
Professor/Associate or Assistant Professor, Meteorology
Professor/Associate or Assistant Professor, Meteorology
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Mika Rantanen @mikarantane.bsky.social · 14/09/2026
Melko voimakas lintujen aamumuutto käynnissä selkeällä taivaalla. Lähinnä hyönteissyöjiä kuten kuten västäräkkejä ja rautiaisia poistuu Suomesta.
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Jeff Berardelli @weatherprof.bsky.social · 13/09/2026
Ocean anomalies up to +14°F! While El Niño drives global weather patterns, its biggest impacts are arguably local in #Peru, #Ecuador and the #Galápagos Islands. The extreme warmth along the coast is disrupting one of the most productive ocean ecosystems on Earth. 1/
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Steve Peers @stevepeers.bsky.social · 13/09/2026
Here's a non-paywalled version of the reporting on Canada becoming a possible "associate member" of the EU. It suggests Canada is willing to agree free movement of people, which (if true) would mean that the EU would be willing to agree more internal market access. www.reuters.com/world/americ...
reuters.com
Carney pushes idea of making Canada 'associate member' of EU, WSJ reports
The EU is open to the idea, the Journal reported.
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Jussi T. Eronen @jussiteronen.bsky.social · 13/09/2026
Is this a case where imaginary science fiction world is actually influencing real world (ping @helmiraisanen.bsky.social @ninamjanasik.bsky.social)
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Jussi T. Eronen @jussiteronen.bsky.social · 13/09/2026
This is quite something. Just absolutely mind-blowing temperature anomaly caused by El Nino in the eastern Pacific. (note that the scale is Fahrenheit, not Celsius, but still!).
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Jussi T. Eronen @jussiteronen.bsky.social · 13/09/2026
El Nino is strengthening, it will rocky ride through the winter in many parts of the world...
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Heli @helisip.bsky.social · 10/09/2026
”Norjalaiset ovat tyttöjä, jotka rakastavat tyttöjä, poikia, jotka rakastavat poikia, sekä tyttöjä ja poikia, jotka rakastavat toisiaan. Norjalaiset uskovat Jumalaan, Allahiin, johonkin muuhun, tai eivät mihinkään" Kuningas Harald Saisiko lisää tällaista avarakatseisuutta ja lempeyttä, kiitos.
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Jussi T. Eronen @jussiteronen.bsky.social · 11/09/2026
Whoa. Cyberpunk indeed if true..
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Reposted by Jussi T. Eronen
Paul Byrne @theplanetaryguy.com · 09/09/2026
Astrophotographer Adam (AJ) Smadi caught this image a few hours ago from Washington state. A thin crescent Moon, sunlight illuminating the rugged lunar surface. And 2,400 times farther away—and on the other side of the Sun—mighty Jupiter, and its moons Io (left) and Ganymede (right).
A crescent Moon seen during the day, arcing from upper left to lower right of the frame. At lower centre is the full disk of Jupiter; the small dots to its upper left and lower right and Io and Ganymede, respectively.
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Dr. Jeff Masters @drjeffmasters.bsky.social · 09/09/2026
“If we don’t change course, risk will continue to escalate until fuel-filled landscapes eventually reset catastrophically. Much of the West will burn. Today’s children will see forests converted to grass or shrublands in their lifetimes. Biodiversity will be irreversibly destroyed”.
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Jussi T. Eronen @jussiteronen.bsky.social · 09/09/2026
Extremely interesting! Always thought (and was teached when I was student) that large brains and upright walking was the reason... but it seems that it is much more complicated.. www.science.org/content/arti...
science.org
Why are human births so difficult? Male babies—not just upright walking—may be to blame
Analysis of 140 species suggests the risks of sons are offset by evolutionary advantages
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Reposted by Jussi T. Eronen
Berin Szóka @berinszoka.bsky.social · 09/09/2026
Photo of the decade: AfD leader Alice Weidel
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Carl T. Bergstrom @carlbergstrom.com · 09/09/2026
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Jussi T. Eronen @jussiteronen.bsky.social · 08/09/2026
What a world we live in...
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Jussi T. Eronen @jussiteronen.bsky.social · 08/09/2026
Today, I am going to watch Star Trek (haven't decided yet what series, but Star Trek nevertheless) www.npr.org/2026/09/08/n...
npr.org
60 years later, 'Star Trek' continues to 'live long and prosper'
The television series 'Star Trek' turns 60 on Tuesday. The original show aired for only three seasons, but it spawned prequels and sequels (on TV and in theaters) and still has a cult following.
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Reposted by Jussi T. Eronen
Brilliant Maps @brilliantmaps.bsky.social · 08/09/2026
Countries Where More People Died Than Were Born In 2024 Numbers for each country: brilliantmaps.com/countries...
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Jussi T. Eronen @jussiteronen.bsky.social · 07/09/2026
Record hot summer in Italy this year...
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Jussi T. Eronen @jussiteronen.bsky.social · 07/09/2026
Excellent thread about AI, USA, the dilemma's of more intelligent models, model jailbreaks, China, and USA economy. Multiple possible outcomes. Some of which are scary.
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Reposted by Jussi T. Eronen
Dr. Jonathan Foley @globalecoguy.bsky.social · 07/09/2026
It’s WHAT we eat (beef especially) that matters for climate. Not so much WHERE it is grown.
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Euronews @euronews.com · 07/09/2026
Europe is scaling up its timber industry, but unsustainable growth could prove disastrous. #TheBigQuestion
l.euronews.com
The Big Question: Is timber the key to affordable housing in Europe?
Europe is scaling up its timber industry, but unsustainable growth could prove disastrous.
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Jussi T. Eronen @jussiteronen.bsky.social · 07/09/2026
The mood in Germany after a Sunday shock. www.dw.com/en/saxony-an...
dw.com
Saxony-Anhalt: Digesting the AfD's landmark election win
With well over 40% for the far-right Alternative for Germany (AfD), Saxony-Anhalt has witnessed a landmark election night. DW's reporters were on the ground.
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Joerg Lau @joerglau.bsky.social · 06/09/2026
From someone who knows @casmudde.bsky.social
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Jussi T. Eronen @jussiteronen.bsky.social · 06/09/2026
Climate change is threatening artisanal cheese production... similar warnings have been published about wine, beer, coffee, avocados, bananas, many other vegetables and fruits. Overall it will be diminished variety of things to eat and drink...
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Chairman Moët @chairmanmoet.bsky.social · 06/09/2026
Of course we don't get to live through a fascist era that has the aesthetic sensibility of Leni Riefenstahl and Hugo Boss. We just get the posters off the bedroom wall of a 14 year old boy who has played far too much Warhammer 40k
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Jussi T. Eronen @jussiteronen.bsky.social · 06/09/2026
Knife's edge elections in Saxony Anhalt. Currently it boils down to whether BSW makes it to the parliament or not (if yes AfD get 39 seat, if not, AfD gets 41). Limit for absolute majority is 42. And there are rumours that some representatives in CDU might switch to AfD after counting..
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Jussi T. Eronen @jussiteronen.bsky.social · 06/09/2026
The generation that still has some connection (through their parents) to the horrors of WW2 votes less for AfD, it seems. The same generation is also financially better off than the rest of the voters (or more secure financially) could influence this, too..
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Jussi T. Eronen @jussiteronen.bsky.social · 06/09/2026
Energiantuotantoa ei voi lisätä loputtomiin Suomen oloissa nykyisellään, kun se kuitenkin vaatii infran rakentamista, joka on aina rakennettava johonkin fyysiseen paikkaan. Joko luonto, ihminen, tai molemmat joutuu väistymään. Ja sitten on kysymys myös raaka-aineista. Ei ole helppo yhtälö.
yle.fi
Vihreää sähköä ei voi tuottaa loputtomiin, sanovat tutkijat: ”Älyllinen rehellisyys loistaa poissaolollaan”
Datakeskusten määrän kasvu vaarantaa vihreän siirtymän, arvioivat energiatuotannon kestävyyteen ja luonnonvarojen riittävyyteen perehtyneet tutkijat.
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Jeff Colgan @jeffcolgan.bsky.social · 05/09/2026
Oil and War are back in 2026. Some folks at #APSA mentioned they needed things to teach on the subject. So, with apologies to those who don't need a reminder, I share some of my writings that might suit the purpose. 🧵 1/n First up, on 2026 US interventions in #Venezuela: @goodauth.bsky.social
goodauthority.org
Trump made a clear choice: return to petro-imperialism
To understand what just happened in Venezuela, look at oil politics and U.S. foreign policy.
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AEA Journals @aeajournals.bsky.social · 04/09/2026
Forthcoming in the AER: "The Dawn of Civilization Metal Trade and the Rise of Hierarchy" by Matthias Fluckiger, Mario Larch, Markus Ludwig, and Luigi Pascali.
aeaweb.org
The Dawn of Civilization Metal Trade and the Rise of Hierarchy
(Forthcoming Article) - In the 4th millennium BC, our ancestors witnessed a remarkable transformation, progressing from petty chiefdoms to political states and cities. The causes of this “Urban Revolution” remain unclear. We conjecture that the discovery of bronze and the ensuing long-distance trade played a crucial role. Using novel panel data and 2SLS techniques, we demonstrate that trade corridors linking metal mines to fertile lands were more likely to experience the Urban Revolution. We propose that transit bottlenecks facilitated the emergence of a new taxing elite. We formally test this appropriability theory and provide several case studies in support.
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Jussi T. Eronen @jussiteronen.bsky.social · 02/09/2026
And there is it. Crossing 1.5C inevitable according to UN report just released... What a world we live in. 10 years ago we aspired for change and promised to not be in this situation, but here we are... but remember, every tenth of a degree less warming is easier world to live in in the future.
unep.org
UNEP: World set to cross 1.5°C global warming, but can still limit, adapt to and return from higher temperatures
Global temperature rise is set to cross 1.5°C, likely within the next few years, pushing climate risks and impacts to increasingly dangerous heights, but it is still possible to bring temperatures dow...
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