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Stefan Wastegård

@stefanwastegard.bsky.social
372 followers 219 following 67 posts

Professor of Quaternary Geology, Stockholm University. Main interests Quaternary climate and environments and especially tephrochronology. Happily married; two children and two grandchildren. Interests: music (Progressive rock), birdwatching and genealogy.

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Reposted by Stefan Wastegård
Natursidan.se @natursidan.bsky.social · 31/08/2026
Att odla ängsväxter i trädgården är bland det bästa du kan göra för den biologiska mångfalden. Anna Pielach har enbart i år drivit upp ungefär 600 ängsväxter på sin balkong och har i flera år fört noga anteckningar om sina odlingar. Här ger hon sina bästa råd: www.natursidan.se/nyheter/anna...
natursidan.se
Anna har odlat 600 ängsväxter i år – här är hennes tips
Att odla ängsväxter i trädgården är bland det bästa du kan göra för den biologiska mångfalden. Det är egentligen inte mycket som behövs för att skapa en egen plantskola för ängsväxter. Det kan Anna Pi...
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Stefan Wastegård @stefanwastegard.bsky.social · 31/08/2026
#BirdOfTheDay White-backed woodpecker, Garphyttan, Sweden 2018
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Stefan Wastegård @stefanwastegard.bsky.social · 26/08/2026
#BirdOfTheDay Red-whiskered bulbul, Netravali, Goa, India. February 2026
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Stefan Wastegård @stefanwastegard.bsky.social · 23/08/2026
Townsend's solitaire, Bryce Canyon, Utah, USA, March 2018. #BirdOfTheDay
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Reposted by Stefan Wastegård
Prof. Stefan Rahmstorf @rahmstorf.bsky.social · 19/07/2026
Responsible politicians need to act now, despite uncertainties, as they do for other security risks. For we won’t have scientific certainty until it’s too late. #AMOC www.bbc.com/news/article...
bbc.com
After record heat, could the Atlantic make Britain's weather even more extreme?
As temperatures rise, scientists are investigating whether a changing Atlantic could bring more volatile weather to the UK
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Stefan Wastegård @stefanwastegard.bsky.social · 21/04/2026
Nilgiri flowerpecker, Bondla, Goa, India #BirdOfTheDay
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Stefan Wastegård @stefanwastegard.bsky.social · 10/04/2026
Great grey shrike, Hjälstaviken, Sweden, November 2021 #BirdOfTheDay
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Stefan Wastegård @stefanwastegard.bsky.social · 09/04/2026
Eurasian eagle-owl, Stockholm, November 2018 #Birdoftheday
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Reposted by Stefan Wastegård
Birdingplaces @birdingplaces.bsky.social · 12/02/2026
If you never had a look at the Birdingplaces map before, it's about time you do😁 Go to www.birdingplaces.eu/find-a-birdi..., zoom in, and a click on 1 of the 10,000 dots reveals a wealth of info. A free resource to discover birdwatching areas all worldwide. Follow us! #birdwatching #birding
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Stefan Wastegård @stefanwastegard.bsky.social · 08/04/2026
Bluethroat, Ågesta, Sweden, September 2021 #BirdOfTheDay
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Stefan Wastegård @stefanwastegard.bsky.social · 07/04/2026
Swallow-tailed gull, Galapagos, March 2019 #BirdOfTheDay
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Stefan Wastegård @stefanwastegard.bsky.social · 06/04/2026
Linnet, Svartåmynningen, Sweden #BirdOfTheDay
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Stefan Wastegård @stefanwastegard.bsky.social · 05/04/2026
Vermilion flycatcher, Nevada, US, April 2018 #BirdOfTheDay
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Stefan Wastegård @stefanwastegard.bsky.social · 07/03/2026
Arabian Green Bee-eater. Muscat, Oman, February 2026 #BirdOfTheDay
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Stefan Wastegård @stefanwastegard.bsky.social · 04/03/2026
Purple-backed sunbird, South Goa, India #BirdOfTheDay
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Stefan Wastegård @stefanwastegard.bsky.social · 03/03/2026
Malabar Lark, South Goa, February 2026 #BirdOfTheDay
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Reposted by Stefan Wastegård
Fredrik Høgaas @fredrhog.bsky.social · 23/02/2026
Veiki moraines (ice-walled lake plains) in an ~12 ka old ice-marginal zone in Finnmark, Norway. Quite similar to the "circular ablation features" posted earlier - if everything but the circular Veiki moraines is removed.
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Stefan Wastegård @stefanwastegard.bsky.social · 01/03/2026
White-throathed Dipper, Hjo, Sweden #BirdOfTheDay
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Stefan Wastegård @stefanwastegard.bsky.social · 28/02/2026
Malabar Flameback. South Goa, India #BirdOfTheDay
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Stefan Wastegård @stefanwastegard.bsky.social · 27/02/2026
Malabar Trogon, south Goa, India #BirdOfTheDay
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Stefan Wastegård @stefanwastegard.bsky.social · 26/02/2026
Malabar pied hornbill, South Goa 3 February 2026 #birdoftheday
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Reposted by Stefan Wastegård
Ed Hawkins @edhawkins.org · 02/01/2026
The UK's warmest year (for now) And introducing a ‘causal chain’ for changes in extreme UK heat climatelabbook.substack.com/p/the-uks-wa...
Timeseries showing coherent changes in emissions, global temperature, UK temperature, and hottest day of the year for Central England
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Reposted by Stefan Wastegård
Prof. Stefan Rahmstorf @rahmstorf.bsky.social · 05/12/2025
Collapse of key Atlantic current could bring extreme drought to Europe for centuries, study finds. @swinda.bsky.social That's an under-appreciated impact of #AMOC shutdown, of particular concern given the recent results showing much higher likelihood of this. 1/2 www.livescience.com/planet-earth...
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Reposted by Stefan Wastegård
Ed Hawkins @edhawkins.org · 15/12/2025
The new GloSAT temperature dataset extends our observational estimates of global temperature change back to 1781 Blog: climatelabbook.substack.com/p/new-estima... Paper by Morice et al.: essd.copernicus.org/articles/17/...
climatelabbook.substack.com
New estimates of surface temperature change since the late 18th century
Releasing an observation-based global temperature dataset extending back to 1781
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Reposted by Stefan Wastegård
Claire Laila Dines @freedomtodoubt.bsky.social · 16/12/2025
There have been many horrific man-made deaths this weekend and huge media coverage .. and then there are those huge human-induced flash floods after 7-year droughts that kill even more of our fellow humans that drift quietly by ..
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Reposted by Stefan Wastegård
Dagens ETC @etc.se · 16/12/2025
Tittare får anmäla undertexter i tv och på strömningstjänster när Medietextarna inom Journalistförbundet lanserar textning.se. Fackklubben pekar ut AI och sänkta arvoden som anledningar till kvalitetsraset i textningen.
etc.se
Nu kan du anmäla dåliga undertexter
Fackklubben har fått nog – vill samla alla klagomål.
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Stefan Wastegård @stefanwastegard.bsky.social · 03/12/2025
#spotifywrapped2025
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Reposted by Stefan Wastegård
Bolin Centre for Climate Research @bolincentre.bsky.social · 17/11/2025
Congratulations to our Deputy Director Gustaf Hugelius, who is once again included on @clarivateag.bsky.social Highly Cited Researchers list for 2025. 👏🎉 A strong recognition of his continued scientific impact and contribution to global permafrost and climate research. See the full list below!
clarivate.com
Clarivate Highly Cited Researchers 2025
The Highly Cited Researchers 2025 list identifies and celebrates individuals who have demonstrated significant and broad influence in their fields of research. Through rigorous selection criteria and ...
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Reposted by Stefan Wastegård
NORDQUA @nordqua.org · 30/09/2025
Hello BlueSky! 👋 We are thrilled to be here and connect with everyone on this new platform! Interested in Quaternary science in the Nordics? Then follow us for news/opportunities/jobs, and more. Our network is also free to join at nordqua.org
nordqua.org
NORDQUA - The Nordic Union for Quaternary Research
Welcome to Nordqua - The Nordic Union for Quaternary Research - an organization of professional scientists from the Nordic countries.
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Reposted by Stefan Wastegård
Love Dalén @lovedalen.bsky.social · 19/09/2025
Interested in giving a talk at the Plant and Animal Genome conference (PAG 33) in San Diego? Together with several colleagues, we are arranging 5 interconnected sessions. To submit an abstract, please fill out this Google Form before Oct 12th, 2025: forms.gle/q7j275Di6umY...
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Stefan Wastegård @stefanwastegard.bsky.social · 12/09/2025
linkedin.com
Askja: Vulkanutbrottet som satte spår i både landskap och vetenskap - Institutionen för naturgeografi | Stockholms universitetsbibliotek
"Jag tycker att kontrollen över den vetenskapliga publiceringen i större utsträckning bör ligga vid universiteten, snarare än att ett fåtal stora företag tar betalt för publicering av skattefinansiera...
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Reposted by Stefan Wastegård
Prof. Stefan Rahmstorf @rahmstorf.bsky.social · 01/09/2025
1987 warnte der große US-Ozeanforscher Wally Broecker in der Top-Fachzeitschrift Nature eindringlich vor abrupten Klimawechseln durch Instabilität der Atlantikströmung #AMOC: „Wir spielen russisches Roulette mit dem Klima“. Jahrzehnte Forschung zeigen: die Gefahr ist noch größer als er dachte.
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Stefan Wastegård @stefanwastegard.bsky.social · 21/08/2025
Augustiskådning på Öland med 20 arter vadare, ängshök, kornsparv och mycket annat
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Stefan Wastegård @stefanwastegard.bsky.social · 29/07/2025
x.com
Stefan Wastegård on X: "Larsson, S.A.: "From the ashes: a 150th anniversary review of the Askja-1875 tephra" — Read it on @ResearchGate: https://t.co/NJrrJf87vP" / X
Larsson, S.A.
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Reposted by Stefan Wastegård
Chris Stringer @chrisbstringer.bsky.social · 16/07/2025
'Evolution isn't a straight line: Modern humans come from 2 ancient lineages' bigthink.com/strange-maps...
bigthink.com
Evolution isn't a straight line: Modern humans come from 2 ancient lineages
After more than a million years of separation, two branches of humanity reunited around 300,000 years ago, new research shows
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Reposted by Stefan Wastegård
Carl Regnéll @carlregnell.bsky.social · 12/06/2025
📣Friends of the Quaternary!!📣 🐦Early bird registration is open for the upcoming Nordic Geological Winter Meeting in Turku, Finland (13-15 Jan 2026) ngwm2026.fi Please consider submitting an abstract to our session on "Quaternary palaeoglaciology and palaeoclimate". 🦣❄️🐚 It will be awesome!
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Reposted by Stefan Wastegård
Kalle Sundin @kallesundin.bsky.social · 16/05/2025
Från tidigare i veckan på temat: www.aftonbladet.se/ledare/a/0Vd...
aftonbladet.se
Missköter Sverige men har "tur" med egna aktier
I februari 2023 slöt Sverige ett miljardavtal om att sälja Jas 39 Gripen till Ungern. Uppgörelsen om stridsplanen var ett smörjmedel för att Viktor Orbán skulle
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Reposted by Stefan Wastegård
Kalle Sundin @kallesundin.bsky.social · 15/05/2025
Att Kristersson i de svåra säkerhetspolitiska tider vi lever i inte lyckas tillsätta en nationell säkerhetsrådgivare (en roll han själv laddat med stor prestige) är en dråplig sammanfattning av ledarskapet just nu. Gästade Studio Ett nyss om läget i RK/på UD. www.sverigesradio.se/artikel/tva-...
sverigesradio.se
Två medarbetare utreds för brott – är det kris på UD? - Studio Ett
Det är turbulent på Utrikesdepartementet efter senaste dagarnas turer.Säkerhetspolisen har två separata pågående brottsutredningar mot medarbetare på Regeringskansliet. ...
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Reposted by Stefan Wastegård
Behave Dave! @sillkungen.bsky.social · 07/05/2025
Svart rök - ingen ny påve Vit rök - ny påve Gråtrut - ?
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Nyheter från Sveriges Radio @srnyheter.bsky.social · 09/03/2025
Radiosporten: Sensationen – Engla Nilsson tog EM-brons: ”Största skrällen i historien” www.sverigesradio.se/artikel/8902956
sverigesradio.se
Sensationen – Engla Nilsson tog EM-brons: ”Största skrällen i historien” - Radiosporten
19-årige Engla Nilsson tog sensationellt EM-brons i höjdhopp när hon satte personbästa på 1,92, vilket räckte till tredjeplats på inomhus-EM i Nederländerna.”Det ...
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Reposted by Stefan Wastegård
tarfalaresstation.bsky.social @tarfalaresstation.bsky.social · 27/02/2025
Last out with the #GlacierStripes @edhawkins.org is Rivgojiehkki which had no net annual accumulation left in 2023/2024, and also the largest losses since measurements started. From #TarfalaResearchStation @stockholm-uni.bsky.social @bolincentre.bsky.social we continue to survey and communicate!
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Reposted by Stefan Wastegård
Nature @nature.com · 25/02/2025
The pressure to publish in high-impact journals is often at the expense of other scholarly activities go.nature.com/3XihhIf
go.nature.com
Move beyond ‘publish or perish’ by measuring behaviours that benefit academia
A standardized system to measure contributions in mentorship, collaboration and more could bring about systemic change in science.
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Reposted by Stefan Wastegård
Dep. of Ecology, Environment & Plant Sciences at SU @deepsthlmuni.bsky.social · 21/02/2025
📣Join DEEP as an Associate Professor in Plant Molecular Physiology! 🪴 The successful candidate will engage in cutting-edge research, teach undergraduate and master’s courses in plant physiology, and mentor PhD students and postdoctoral researchers. Learn more & apply before 10 April!👇
su.se
DEEP seeks Associate Professor in Plant Molecular Physiology – apply now! - Department of Ecology, Environment and Plant Sciences
The Department of Ecology, Environment and Plant Sciences (DEEP) at Stockholm University is looking recruiting an Associate Professor in Plant Molecular Physiology, a tenured position.
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Ed Hawkins @edhawkins.org · 16/01/2025
As the climate data for 2024 continues to arrive, I've updated my graphic showing changes in various climate indicators for the recent past, and the last 2000 years. Most notable change is a big jump for tropospheric temperatures (TLT) in 2024. [Sea level and land humidity data not yet available.]
Various climate indicators for the last 2024 years.
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Reposted by Stefan Wastegård
Dagens ETC @etc.se · 14/01/2025
Börjar det bli svårt att andas i dina sociala medier? Det tycker åtminstone arrangörerna bakom kampanjen ”Free our feeds”. Därför ska de nu samla in 30 miljoner dollar och befria våra sociala medier från klåfingriga och makthungriga miljardärer som, låt säga, Elon Musk.
etc.se
Deras mål: Samla in 30 miljoner dollar – för att befria dina sociala flöden
Börjar det bli svårt att andas i dina sociala medier? Det tycker åtminstone arrangörerna bakom kampanjen ”Free our feeds”.
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Stefan Wastegård @stefanwastegard.bsky.social · 12/01/2025
www.su.se/institutione...
su.se
Rekordgammal is från Antarktis kan lösa klimatmysterier - Institutionen för naturgeografi
Ett internationellt team av forskare har framgångsrikt borrat upp en 2 800 meter lång iskärna och nått berggrunden under Antarktis istäcke. Dessa isprover förväntas avslöja, för första gången, kritisk...
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Leah Stokes @leahstokes.bsky.social · 09/01/2025
Cannot stop thinking about how Octavia Butler wrote a book in 1993 about climate change. It opens with deadly fires in LA in 2025. In the story, a fascist President has just won office with the campaign slogan "Make America Great Again." She was a modern day Nostradamus. If only we'd listened.
The cover of the book Parable of the Sower.
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Stefan Wastegård @stefanwastegard.bsky.social · 09/01/2025
Läs här om ett av de masterprogram som jag undervisar på!
su.se
Vilka möjligheter ger studierna i globalisering, miljö och social förändring – egentligen? - Stockholms universitet
Vilka möjligheter ger studierna i globalisering, miljö och social förändring – egentligen? - Stockholms universitet
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Zeke Hausfather @zekehausfather.com · 06/01/2025
I have a new analysis over at The Climate Brink exploring how rates of warming have changed over the past century. Post-1970, GHGs (CO2, CH4, etc.) would have led to just under 0.2C per decade, but falling aerosols (SO2) have increased that rate to 0.25C. www.theclimatebrink....
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Annie Croona @anniecroona.bsky.social · 08/01/2025
Världen är just nu ett kaos skapat av maktgalna män. Män som med militära insatser vill ta över andra länder. Män som köper sociala nätverk och gör det till ett träsk av desinformation. Män som låter militären bomba ihjäl tusentals barn. Overklighetskänsla. När fan ska det här upphöra?
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