🚨New paper on Southern Ocean CO2🚨 Using a suite of Earth system models, Maddie Shankle et al show that better ventilation of intermediate waters in the North Pacific ends up reducing outgassing of CO2 in the Southern Ocean 🌊🧪⚒️🧵 @earthscista.bsky.social www.nature.com/articles/s41...

Big congratulations to @mudwaterclimate.bsky.social & team on securing funding to launch the St Andrews Global Research Centre for Changing Climates! 🌍 📈 The centre will take an interdisciplinary approach, harnessing the breadth of expertise across St Andrews news.st-andrews.ac.uk/archive/the-...

ICYM - Scientists slam Trump administration climate report as a ‘farce’ full of misinformation - Experts say the report being used to justify the mass rollback of climate regulations has many claims based on long-debunked research #climatecrisis www.theguardian.com/us-news/2025...

🚨 If you're interested in working on a coordinated response to the DOE climate report, please enter your info on this google form 🚨 Please RT this so as many people see it as possible. forms.gle/BL9xUAfRxA...

🚨 At least 10 scientists, all cited in the Trump admin's new climate change report, told me that the report completely mischaracterizes their research. I also found five citations with significant errors, and a paragraph missing an important citation.

I've been taking some time to dive into the US EPA's Proposal to revoke the Endangerment Finding related to Greenhouse Gases. epa.gov/system/files... They put forth multiple lines of argument about why the current administration believes this should happen. 🧵

Motherfucking wind farms…

Fascinating paper 👇 not only providing evidence for ocean acidification in the end-Triassic mass extinction, but also wider discussion of the role of reverse weathering in prolonging the effects, and how this changed with the evolution of open ocean calcifying organisms. ⚒️🧪

🚨New paper just out on environmental upset at the Triassic-Jurassic boundary🚨 Using boron isotopes in fossil oysters, we find a major pulse of ocean acidification and CO2 rise, driving global warming and delaying ecosystem recovery following the end-Triassic mass extinction rdcu.be/ev6XV 🧪🌊⚒️🐚🧵

Super excited to share our latest on CO2’s role in geological climate change! Using boron isotopes in ~300 million year old brachiopod shells, we show that rising CO2 from volcanic emissions drove a profound change in climate that ended the Late Palaeozoic Ice Age ⚒️🧪🌊 www.nature.com/articles/s41...

England has second worst harvest on record with fears mounting for 2025 Data released shows England experienced it’s second worst harvest since 1983 after record breaking wet weather last winter, with recent downpours leaving many farmers unable to drill crops again.

Nice thing about an 0830 sunrise is it’s easier to enjoy! Absolute beauty in St Andrews this morning.

Today my amazing colleague, lab mate, and partner @oceanicandrea.bsky.social officially became the first female Professor of Earth and Environmental Sciences @uniofstandrews.bsky.social. Let’s make sure it doesn’t take another 611 years to get the next ⚒️🧪🌊👩🏻‍🔬

We all think plastic pollution is a problem, and it is. In the nearly 70 years between 1950 and 2019, the world produced a total of ~9.5 billion tonnes of plastic. But all the plastic we have EVER produced weighs as much as CO₂ we emitted into the atmosphere during the first three months of 2024!

Storm Bert incoming! Great visualisation from earth.nullschool.net

Net zero emission means that CO₂ emissions are offset by removals, but what should count as CO₂ removal? This new study argues that countries should not count natural carbon sinks (like the ocean and forests) in their net zero emission targets.

I wrote this on 1.5°C eight years ago "Depending on climate sensitivity and natural variability, we could conceivably see the first year above 1.5°C as early as the late 2020s – but it is more likely to be later" It's looking like I was a bit too optimistic 🧵 theconversation.com/what-will-th...

Major fanboy moment last night meeting Octopus founder and CEO and all round energy transition champion Greg Jackson! Super fun chat on CO2 and climate. NB - thanks to Octopus flexible tariff I can fill up the 280 miles range on my Kia for £4.50!!! (And I obvs told him to get onto Bluesky) 🐙 ⚡️🔌🚗

Hello new followers! Lovely to have you over here. I tend to post on how past climates help us understand where we’re heading, including changes in ocean circulation, acidity, sea level, and CO2, as shown below. 🌊⚒️🧪🐚📈

Repost this if you’re old enough to remember when they tried to convince us that “global warming stopped in 2008” (or whenever).

Nice nerdy contribution for geochemistry peeps - we use a new sequential leaching method to get accurate carbonate d11B from mixed matrix samples, demonstrated by getting true d11B from a coral, even when we filled the sample with clay! 🧪🌊⚒️ agupubs.onlinelibrary.wiley.com/doi/epdf/10....

Absolute scenes in Cellardyke!

Northern lights over Scotland tonight - this is from outside our house in Cellardyke

New rapid attribution by Mike Wehner and colleagues at LBL shows that climate change increased Hurricane Helene's rainfall by up to 50% in some parts of Georgia and the Carolinas, and made the event up to 20x more likely. Read: drive.google.com/file/d/14oq6...

🥳The last British coal power plants closes on October 1st 2024. In 2012, coal provided 40% of power, now 0%! Coal has been replaced by windpower, solar power and electricity savings, not fossil gas which has decreased since 2000. ember-climate.org/insights/res...

Really Phantastic piece of work!

Great new reconstruction - years in the making - for global temperatures over the last 500 million years. www.science.org/doi/10.1126/...

Another cyclist striking a solar panel, causing havoc www.cnn.com/2024/09/16/u...

Leading a field trip on my birthday and students told me they’d found a really interesting deep sea worm they wanted me to check out. Opened the crate and found… a cake! (Only slightly gutted it wasn’t a worm) ⚒️🌊🧪

Recording of my #climate talk below, using Scott Denning’s 3 S’s framing - Simple, Serious, Solvable - to discuss climate science, impacts, and solutions. To see the greenhouse dance, VR Glasgow under Pliocene sea level, or a spectacular experiment fail check it out!🧪⚒️🌊 m.youtube.com/watch?v=_nPR...

And if you’re interested in the far-field implications please come and check out Maddie Shankle’s poster which shows how a better ventilated glacial Pacific can reduce outgassing in the Southern Ocean! 🌊🧪⚒️

Speaking today at #Challenger2024 on major changes in ocean circulation and biogeochemistry - if you can’t make it to the Changing Ocean session key points are in the pic below!

Excited to be speaking at the Roual Society if Edinburgh this Wednesday eve on how we can use the climates of the distant past to understand the climate of the future. Free to attend and open to all - please spread the word! ⚒️🧪https://rse.org.uk/event/climate-change-simple-serious-solvable/

🚨3 yr Postdoc position in St Andrews🚨 Come join our lovely lab group and fill in a critical gap in reconstructions of Cenozoic CO2! Part of exciting TONIC project on Oligocene carbon, climate, ice w great peeps and lots of isotopes & paleoclimate ⚒️🧪 www.vacancies.st-andrews.ac.uk/Vacancies/W/...

🚨St Andrews Earth & Environmental Sciences is hiring!🚨 Lecturer (Assist. Prof) in Earth Surface Processes. Areas could include sedimentary environments, processes, geology, geomorphology, stratigraphy, CCS, natural haz, or many more! Closes 17 July www.vacancies.st-andrews.ac.uk/Vacancies/W/...

🚨St Andrews Earth & Environmental Sciences is hiring!🚨 Lecturer (Assist. Prof) in Earth Surface Processes. Areas could include sedimentary environments, processes, geology, geomorphology, stratigraphy, CCS, natural haz, or many more! Closes 17 July www.vacancies.st-andrews.ac.uk/Vacancies/W/...

🚨 New paper on rapid CO2 rise 🚨 Decadal-resolution ice core CO2 data show abrupt jumps during each “Heinrich Stadial” event of the last 50,000 years. We show these were linked with rapid Antarctic warming and coupled upwelling and convection in the Southern Ocean 🧵 www.pnas.org/doi/10.1073/...

So excited our method is out in the world 🎉 if you've ever wanted to prepare samples for d11B anaylsis faster, easier, with low procedural blanks and great reproducibility you should take a look!

One for the carbon chemistry nerds... Check out our preprint about Kgen - a new, cross-platform tool for calculating ocean carbon speciation constants in modified seawater composition! biomin.esc.cam.ac.uk/research/pap...

It may not be a white Christmas but at least it’s a green one (UK National Grid status from grid.iamkate.com)

Beautiful polar stratospheric clouds over Scotland this evening (and by evening I may mean 4pm but we’re at 56N and it is solstice eve!)

Loads of PhD openings, some with me, some not (a thread 🧵)- please spread the word (🙏). First is a @PETRARCHproject one with me at @UoBEarthScience , open to all nationalities, working on the causal drivers of Cretaceous OAEs with boron isotopes bit.ly/petrarch2 . . 1/7

New Fully funded World Leading PhD Studentship at the University of St Andrews with myself and @mudwaterclimate.bsky.social looking at: The role of Calcium Carbonate in blue carbon environments. Deadline- 2nd of Feb 24 Open to UK and International applicants tinyurl.com/cwfew92f

Just out, a 66 million year history of atmospheric CO2. Key take away: CO2 hasn't been at today's levels for at least 3 million years. These high CO2 worlds in the geological past had less ice and *much* higher sea levels 📈🌊 ⚒️🧪 www.science.org/doi/10.1126/...

UK close to breaking its wind energy generation record: 21.43 GW just now, 21.67 GW to beat! ⚡️⚒️🧪 Sources: grid.iamkate.com earth.nullschool.net

"Ending extreme poverty has a negligible impact on global greenhouse gas emissioms" www.nature.com/articles/s41...

New paper by Tao Li on deglacial ice melt in West Antarctica. Using uranium isotopes in deep sea corals we find a unique fingerprint of subglacial discharge from 15.4-14.0 ka - coincident with a pulse of ice rafting & rapid global sea level rise 🪸🧊🌊 rdcu.be/dqWG0 🧵

🚨New paper on abrupt carbon release & calcification feedbacks!🚨 Led by MSc student Margareta Harbich & James Barnet, we show the first Cenozoic hyperthermal was associated with warming, acidification, and a surprising feedback in key calcifiers…🐚⚒️🧪🧵 pubs.geoscienceworld.org/gsa/geology/...

Hello Blue Sky! Thread below gives a nice summary of some of my recent work (thanks @mudwaterclimate.bsky.social!). I also have PhD and Postdoc positions to be advertised soon in this field 👩‍🔬🧑‍🔬👨‍🔬 - please encourage anyone interested to get in touch! ⚒️🧊🌋

@earth-science.bsky.social would be great if you could add me to this awesome list! I don’t know if we’re meant to provide some evidence of our geo credentials but my 2yo daughter went down tonight cuddling her fav rock - does that count?! ⚒️