Jonathan Ulrich @jcmulrich.bsky.social · 18/09/2026New paper: "Climate information use and needs for urban heat adaptation in Hamburg and Barcelona"🎉 Two years ago I got some scepticism when I said I was studying heat adaptation in Hamburg. After this summer, the sceptics are convinced. We interviewed 42 heat adaptation stakeholders in HH and BCN. 100
Jonathan Ulrich @jcmulrich.bsky.social · 15/09/2026A packed room for our panel on "People’s understanding of and response to extreme weather events" at #DGPs2026! Great psychological and behavioral research focuses on pro-environmental behavior and climate change mitigation. Our symposium complemented this with interdisciplinary views on adaptation 123
Reposted by Jonathan UlrichOur World in Data @ourworldindata.org · 31/08/2026📝 New article on Our World in Data: Beef production in Brazil has been the largest driver of global deforestation in recent decades. The largest driver of deforestation globally is the expansion of agricultural land. 7185116
Reposted by Jonathan UlrichNick Young @nickofnz.bsky.social · 26/08/2026Adapting to climate change without ending the fossil fuel industry. 5034221422
Jonathan Ulrich @jcmulrich.bsky.social · 27/08/2026My first PhD paper is out! 🎉 We analysed longitudinal data panel to assess how flood and climate risk perceptions, as well as perceptions of the importance of protection from climate change changed in Germany between 2020 and 2022 and how this linked to flood experience and political orientation. 2196
Jonathan Ulrich @jcmulrich.bsky.social · 31/07/2026In 2024 and 2025, a spring drought hit Northern Germany, an extreme rainfall event led to severe flooding in Southern Germany, and a heatwave affected all of Germany. We find that people misestimate how frequently such events occur in the current climate with around 1.3°C of global warming. 1142
Jonathan Ulrich @jcmulrich.bsky.social · 27/06/2026Very excited for #IAPS2026 by @iaps-association.bsky.social next week 😊 Looking forward to meeting many new faces. Please reach out if you want to discuss climate risk perceptions, adaptation and mitigation behavior, or any other topic you care about! 152
Jonathan Ulrich @jcmulrich.bsky.social · 26/06/2026As you are suffering through this #heatwave, remember: One billionaire going on a 11-min-flight into space emits more greenhouse gases during those 11 min than any person from the 1 billion people with the lowest emissions will emit during their entire life wir2022.wid.world/chapter-6/wir2022.wid.worldThe World #InequalityReport 2022 presents the most up-to-date & complete data on inequality worldwide:💵 global wealth 🌍 ecological inequality 💰 income inequality since 1820♀ gender inequality 👉 Check it out wir2022.wid.world 👥 World Inequality Lab - WID.world 022
Jonathan Ulrich @jcmulrich.bsky.social · 26/06/2026The hottest summer days are warming faster than monthly average temperatures. Only looking at changes in average temperatures can hide the most extreme and dangerous changes we are experiencing. Good threat by @hausfath.bsky.social on the new attribution study by @wwattribution.bsky.social 👇 010
Reposted by Jonathan UlrichProf Friederike Otto @frediotto.bsky.social · 26/06/2026Europe's worst heatwave so far, in terms of heat stress measures and temperatures - brought to you by fossil fuels. New @wwattribution.bsky.social study showing how such deadly heat became possible in only a few decades. www.worldweatherattribution.org/fossil-fuel-... 231189666
Reposted by Jonathan UlrichEd Hawkins @edhawkins.org · 25/06/2026The London Ambulance Service responded to the highest number of life-threatening emergencies in its history yesterday. The Chief Executive said this was "driven by the extreme heat across London". 215689
Reposted by Jonathan UlrichProPublica @propublica.org · 25/06/2026Leaders around the world are banking on tech advances to solve climate change. One leading idea involves capturing carbon pollution from the air and then burying it underground forever. It sounds practical. Here’s why there's no conceivable way it can work: (THREAD) 1471106428
Reposted by Jonathan UlrichZack Labe @zacklabe.com · 24/06/2026We often say this heat wave is a glimpse of our future. That's true, but it's only part of the story. Conditions like these will become more common, but even more intense heat waves will then emerge, with worsening impacts on people and ecosystems. Graphic from climate.copernicus.eu/esotc/2025/t... 415177
Jonathan Ulrich @jcmulrich.bsky.social · 12/06/2026How can scientists, practitioners and communities collaborate to create actionable climate information for local climate change adaptation? Slowly heading toward the third and last Adaptalab of IMPETUS 4 CHANGE (I4C), where we will create policy briefs capturing our I4C experiences. 100
Reposted by Jonathan UlrichDiane Bolet @dianebolet.bsky.social · 10/06/2026A fully funded 2-year postdoc for my ERC project on climate politics, comparative politics and political economy. Deadline: 29 July 2026, 10am CET Starting date: Jan 2027 (flexible) Feel free to reach out next week at EPSS if you’d like to discuss the position www.sciencespo.fr/centre-etude...sciencespo.frCall for Applications - Postdoctoral Position GREENLOSS Project2 Years - Postdoctoral Position Starting January 2027 04751
Jonathan Ulrich @jcmulrich.bsky.social · 07/06/2026Last week I presented joint work w/ @astridkause.bsky.social at the Society for Risk Analysis Europe conference, on how flood & climate risk perceptions in Germany changed after the 2021 flood. 🧵 111
Reposted by Jonathan UlrichProf Friederike Otto @frediotto.bsky.social · 04/06/2026Worried about El niño? Conflict and climate change are much bigger drivers of risk, on extreme heat across Asia. During the last El Niño climate change was by far the largest driver of extreme heat, while conflict in West Asia makes people much more vulnerable & exposed. doi.org/10.1016/j.wa... 08432
Reposted by Jonathan UlrichPeter Luca Versteegen @versteegenluca.bsky.social · 01/06/2026🚨🚨 Job: Please share 🙌 - what? PhD position in my DFG-funded project on how citizens understand their role in democracy. - when? Application deadline Jul 1, job start Sept 1 or soon thereafter - how? www.uni-hamburg.de/en/stellenan...uni-hamburg.deJob advertisement 14048
Jonathan Ulrich @jcmulrich.bsky.social · 24/05/2026Heading to #SRAEurope2026 now Please reach out if you want to chat about climate risks, risk perceptions and the use of climate information in adaptation decision-making. Also, if you are already around and want to explore the city, feel free to reach out too. 001
Jonathan Ulrich @jcmulrich.bsky.social · 16/01/2026Looks like sci-fi but the future is here now. Let's embrace the transformation! 020
Reposted by Jonathan UlrichClimate Central @climatecentral.org · 08/01/2026📈Why is there is upward trend in billion-dollar disasters? 1. There is a growing number of people, homes, and businesses exposed to these hazards. 2. Climate change is causing an increase in frequency and intensity of certain types of extreme weather. That's a bad combo. 1136
Reposted by Jonathan UlrichSaloni @scientificdiscovery.dev · 28/12/2025New post! There was a lot of innovation in medicine and biomedical research this year, and I've tried to summarize the biggest ones in this blogpost. Medical breakthroughs in 2025. Plus a serious note at the end. www.scientificdiscovery.dev/p/medical-br...scientificdiscovery.devMedical breakthroughs in 2025... and a happy new year. 14261113
Reposted by Jonathan UlrichScience Magazine @science.org · 18/12/2025Science has named the seemingly unstoppable growth of renewable energy worldwide as the 2025 Breakthrough of the Year. Learn more about this year's #BOTY and other big advances in science: scim.ag/493Tpgx 121293532
Reposted by Jonathan UlrichKatharine Hayhoe @katharinehayhoe.com · 17/12/2025NCAR is quite literally our global mothership. Everyone who works in climate and weather has passed through its doors and benefited from its incredible resources. Dismantling NCAR is like taking a sledgehammer to the keystone holding up our scientific understanding of the planet. Unbelievable.usatoday.comTrump moves to dismantle major US climate research center in ColoradoThe Trump administration is breaking up the National Center for Atmospheric Research, taking aim at one of the world's leading climate research labs. 5822051128
Reposted by Jonathan UlrichEuropean Journal of Political Research @ejprjournal.bsky.social · 02/12/2025What issues matter most to #Voters? 😬 @gefjonoff.bsky.social & @fedetrastulli.bsky.social study 6 European countries to find that different groups care about different issues--and that what people care about isn’t the same as what they think about those issues. 🧭🗳️buff.lyWho prioritises what? Determinants and measurement of voters’ issue prioritisation | European Journal of Political Research | Cambridge CoreWho prioritises what? Determinants and measurement of voters’ issue prioritisation 0148
Reposted by Jonathan UlrichCNRS @cnrs.fr · 01/12/2025From January 1st 2026, the CNRS will cut access to one of the largest commercial bibliometric databases, Clarivate Analytics' Web of Science, along with the Core Collection and Journal Citation Reports.cnrs.frThe CNRS is breaking free from the Web of ScienceFrom January 1st 2026, the CNRS will cut access to one of the largest commercial bibliometric databases, Clarivate Analytics' 08765
Reposted by Jonathan UlrichPaolo Crosetto @paolocrosetto.bsky.social · 12/11/2025What is the most profitable industry in the world, this side of the law? Not oil, not IT, not pharma. It's *scientific publishing*. We call this the Drain of Scientific Publishing. Paper: arxiv.org/abs/2511.04820 Background: doi.org/10.1162/qss_... Thread @markhanson.fediscience.org.ap.brid.gy 👇 8334238
Reposted by Jonathan UlrichNico Beckert @nicobeckert.bsky.social · 11/11/2025Eine exklusive Forsa-Umfrage für Table.Briefings zeigt: Auch unter CDU/CSU- und SPD-Wählern fordern viele mehr #Klimaschutz. Und selbst in der wirtschaftlich schwierigen Lage soll das deutsche Klimaziel nicht aufgeweicht werden, so die Befragten. 1/3 table.media/climate/them... 623188
Reposted by Jonathan UlrichStefan C. Aykut @stefanaykut.bsky.social · 05/11/2025⏰ Neue Publikation⏰ Wird Deutschland klimaneutral bis 2045? 🌍 Im #KlimawendeAusblick2025 bewerten wir 7 gesellschaftliche Schlüsselprozesse, die für erfolgreichen Klimaschutz entscheidend sind. ⚠️ Wir kommen zu dem Schluss, dass ein Erreichen der Klimaziele derzeit wenig plausibel ist. Warum? 👇 12311
Jonathan Ulrich @jcmulrich.bsky.social · 27/10/2025To my followers: What do you think about messages like this? Are they understandable, useful and credible? Really curious to hear your thoughts :) 100
Reposted by Jonathan UlrichEva Hoxha @evahoxha.bsky.social · 20/10/2025 Focusing on Sweden, this study finds that PhD students begin their programs with similar psychiatric medication use as other master’s graduates, but usage rises sharply to about 40 percent higher by the fifth year before declining after graduation. www.sciencedirect.com/science/arti...sciencedirect.com 0144
Reposted by Jonathan UlrichMat Paterson @matpaterson.bsky.social · 14/10/2025PhD scholarship opportunity, to work with @sherilynmacgregor.bsky.social and myself on the 'local politics of climate backlash' at @uompols.bsky.social and @justcentre.bsky.social. Please circulate to anyone who might be interested! www.findaphd.com/phds/project.... 22331
Reposted by Jonathan UlrichStefan C. Aykut @stefanaykut.bsky.social · 12/10/2025Hamburg just said YES in the climate referendum! ♥️ Thanks to everyone who fought for it. This vote matters for Hamburg – and sends a strong signal far beyond. The climate issue is alive: we can set the agenda and win! Another lesson: climate action must go hand in hand with social justice. 111525
Reposted by Jonathan UlrichOur World in Data @ourworldindata.org · 07/10/2025Does the news reflect what we die from? 8332198
Reposted by Jonathan UlrichMarkus Trapp @textundblog.eurosky.social · 05/10/2025Liebe Hamburger:innen! Jede Stimme zählt. Ich hoffe, eure gehört dazu: „Mindestens 265.000 Menschen müssen am 12.10. mit JA abstimmen, damit Hamburg ein besseres #Klimaschutzgesetz bekommt.“ zukunftsentscheid-hamburg.dezukunftsentscheid-hamburg.deHamburger ZukunftsentscheidGemeinsam machen wir Hamburgs Klimapolitik sozial, planbar und verantwortungsbewusst. Stimme am 12.10.2025 beim Volksentscheid mit JA für ein besseres Klimaschutzgesetz. 2179
Reposted by Jonathan UlrichKate Raworth @kateraworth.bsky.social · 02/10/2025Big Doughnutty News. Just out in Nature: the all-new 2025 Doughnut. Transformed from a single-year snapshot to an annual global monitor of 21st century social & ecological thriving. Available to all in an open-access paper by @andrewlfanning.bsky.social and me. 🧵 1/ www.nature.com/articles/s41... 8264167
Jonathan Ulrich @jcmulrich.bsky.social · 25/09/2025Erst für den #Zukunftsentscheid und sozialen Klimaschutz in Hamburg geworben. Und jetzt beim #ExtremWetterKongress nochmal mehr dazu lernen, warum genau das nötig ist #EWK2025 0105
Reposted by Jonathan UlrichZeke Hausfather @zekehausfather.com · 23/09/2025In a UN speech today, President Trump said that "all of these [climate] predictions were wrong". Back in 2019 I led a research effort to digitize old climate model projections and assess how well they did. Turns out they got future warming pretty spot on! 16770371
Reposted by Jonathan UlrichBPS Environmental Psychology Section @bpsenvpsych.bsky.social · 18/09/2025📣PhD scholarships!📣 @leuphana.bsky.social offers several PhD scholarships in #EnvironmentalPsychology in "Embracing Transformation“, which aims to advance our understanding of societal transformations worldwide. Deadline: October 1 2025. More info: www.leuphana.de/en/graduate-...leuphana.dePsychology of Transformation 133
Jonathan Ulrich @jcmulrich.bsky.social · 18/09/2025Of course I heard a bit about it before but only today I really started looking into the business of academic publishers. Omfg. It's one of the most absurd appropriations of public money and voluntary work for insane private profits that I ever heard of. How are we all participating in this system? 000
Reposted by Jonathan UlrichCarbon Brief @carbonbrief.org · 15/09/2025NEW – AI: Five charts that put data-centre energy use – and emissions – into context | @joshgabbatiss.bsky.social Read here: buff.ly/vJ5juMa 02415
Reposted by Jonathan Ulrich European Journal of Politics and Gender @ejpgjournal.bsky.social · 03/09/2025We all know there's a gender gap in support for the populist radical right. Where there is debate is on the why In this new ✨OPEN ACCESS✨ paper, Kathina Mehring , @gefjonoff.bsky.social & @katarzynawojnicka.bsky.social use cross-country data to explain "protective masculinity" plays a role 0114
Reposted by Jonathan UlrichSarah Engler @saengler.bsky.social · 28/07/2025My department at Leuphana University offers 6 fully funded PhD scholarships (incl. research funding) for three years. If you are interested in studying democratic resilience (particularly party competition and elections 🤓) and you have a strong methodolgical background: Apply! shorturl.at/kcTbG 3178130
Reposted by Jonathan UlrichCambridge University Press Political Science & IR @cambup-polsci.cambridge.org · 07/07/2025New Cambridge Element 'Attitudes toward Political Authoritarianism in Economically Advanced Democracies' by Amy C. Alexander & @gefjonoff.bsky.social is free access until the 16th of July, 2025 - cup.org/4eF9Z8U #cambridgeelements #politics 0115
Reposted by Jonathan UlrichFabian Dablander @fdabl.bsky.social · 07/07/2025In our now published letter in @pnas.org, we raise two wider issues for behavioral science: 1) Intentions are poor predictors of behavior 2) Effects on intentions need not generalize to effects on behavior We join calls for researchers to measure actual behavior: www.pnas.org/doi/10.1073/... 48227
Reposted by Jonathan UlrichGefjon Off @gefjonoff.bsky.social · 02/07/2025Our Element is out! 🎉 Why do authoritarian-leaning leaders target women’s and LGBTQ+ rights? Is there a systematic pattern that reaches beyond individual country cases, and how is this reflected in people’s attitudes and societal norms? www.cambridge.org/core/element...cambridge.orgAttitudes toward Political Authoritarianism in Economically Advanced DemocraciesCambridge Core - Politics: General Interest - Attitudes toward Political Authoritarianism in Economically Advanced Democracies 1521888
Reposted by Jonathan UlrichWilhelm Hofmann @wilhelmhofmann.bsky.social · 02/07/2025🪧New preprint out: "Politicians underestimate support for climate action even more than the general public" osf.io/preprints/os... Pluralistic ignorance - citizens underestimating others' climate concerns - is well documented. But what about policymakers in office?🏛️🤔 A short thread 🧵osf.ioOSF 1113
Reposted by Jonathan UlrichAnthony Calacino @acalacino.bsky.social · 01/07/2025A lot of media are covering Europe’s heatwave 🔥 but few are connecting it to the climate crisis. Tools like the Climate Shift Index show this heatwave is up to 5x 😱 more likely because of climate change. That context matters. csi.climatecentral.org/climate-shif... 715294
Reposted by Jonathan UlrichDr Adam Levy @climateadam.bsky.social · 01/07/2025absolutely sweltering conditions here in Europe. remember, despite the sunny headlines, and pics of people on beaches: 🔥 heatwaves are deadly 👶 they hit the most vulnerable hardest 🌡️ heat plus humidity drives the impact 🏠 infrastructure can't cope 🌍 climate change is making every heatwave worse 25521