Paul Maidowski
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ppmv.bsky.social
Paul Maidowski
@ppmv.bsky.social
1.4K followers 1.4K following 900 posts
Language, systems analysis, climate policy, CCS. Fletcher School/Fulbright d|e|f|i|中
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ppmv.bsky.social
Paul Maidowski @ppmv.bsky.social · Oct 23
1. “Introduce your idea in one picture”: Climate science and western policymakers still neglect bamboo, THE plant for resilience, climate adaptation and mitigation, because it can do it all. Worldwide use is a challenge, so start local. Can replace timber, plastic, concrete, edible, grow soil, etc.👇
Air pruning pot (here roll) with about 40 6 mo phyllostachys edulis, moso bamboo, plants
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ppmv.bsky.social
Paul Maidowski @ppmv.bsky.social · 2d
« The marker that distinguishes Gen Z is how pessimistic its members are, and how much they feel like life is beyond their control, according to Jean Twenge, a psychologist who analyzed data from national surveys of high school students and first-year college students in her book “Generations.” »
cityatlas.bsky.social City Atlas @cityatlas.bsky.social · 2d
Not only a game, it should be what you do at university. That it's not is the best explanation (really the only explanation) of climate change and the origins of it. 50 years of eyes-open depredation.
www.nytimes.com/2024/05/22/b...
What Do Students at Elite Colleges Really Want? (Published 2024)
www.nytimes.com
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Reposted by Paul Maidowski
science.org
Science Magazine @science.org · 3d
Using surveillance data from the CDC for notifiable infectious diseases, researchers in Science have made a comprehensive statistical analysis of the indirect impact of the COVID-19 pandemic on a range of infections occurring in the U.S. https://scim.ag/4nBv86S
Collateral effects of COVID-19 pandemic control on the US infectious disease landscape
Using data from the United States Centers for Disease Control and Prevention (CDC) disease surveillance systems, we sought to quantify the indirect effects of the COVID-19 pandemic, and the possibilit...
scim.ag
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Reposted by Paul Maidowski
jaapburger.eu
Jaap Burger @jaapburger.eu · 3d
As I wrote earlier, the nice thing about large heat pumps is that it's a bit like the Olympics: there are lots of medals to be won in different categories. Is this the largest heat pump in the world? In this class (input: river, output: steam), perhaps yes.
janrosenow.bsky.social Jan Rosenow @janrosenow.bsky.social · 3d
One of the world’s largest industrial heat pumps is coming to Boston.

A 35MW system will use energy from the Charles River and deliver steam to heat more than 70 million square feet of buildings across Boston and Cambridge — hospitals, schools, homes, and businesses alike.
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Reposted by Paul Maidowski
polarrobs.bsky.social
Rob Larter @polarrobs.bsky.social · 8d
In this and following posts I summarise some key findings.
Firstly, the last remaining area of ice shelf in front of Thwaites Glacier, the Thwaites Eastern Ice Shelf, is nearing break-up.
doi.org/10.1017/jog....
Synthetic aperture radar satellite (Sentinel-1) images showing the front of Thwaites Glacier in 2014 and 2024, with grounding line positions overlaid as red lines
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Reposted by Paul Maidowski
wimthiery.bsky.social
Wim Thiery @wimthiery.bsky.social · 3d
Future changes in irrigation will reduce dry-heat stress (without reversing GHG trend) and will substantially amplify moist-heat stress (strengthening GHG trend).

New study @natcomms.nature.com led by Yi Yao @hydr-vub.bsky.social and @usyseth.bsky.social

www.nature.com/articles/s41...
Compounding future escalation of emissions- and irrigation-induced increases in humid-heat stress - Nature Communications
This study shows that future exposures to moist-heat increase more rapidly than those to dry-heat, and irrigation can further amplify moist-heat-related health risks. Improving irrigation efficiency a...
www.nature.com
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ppmv.bsky.social
Paul Maidowski @ppmv.bsky.social · 4d
Nein, wäre es nicht. Fossile Brennstoffe bringen neues Kohlenstoff in den globalen CO2-Kreislauf ein, während Holz beim Verrotten (!) oder Verbrennen nur das freisetzt, was es vorher aufgenommen hatte. Es ändert am globalen Kreislauf nichts. Biodiversität & andere Aspekte hier außen vor.
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ppmv.bsky.social
Paul Maidowski @ppmv.bsky.social · 4d
“Such moderate thresholds for permafrost absence highlight the climate sensitivity of North Greenland.”
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ppmv.bsky.social
Paul Maidowski @ppmv.bsky.social · 4d
“[M]ultiple episodes of permafrost absence between 10 and 5 Ma, suggesting mean annual air temperatures 14 °C higher than present coinciding with atmospheric CO2 concentrations above 310 ppm and local sea surface temperature anomalies >2 °C higher than present.” - We will exceed 450 ppm in the 2030s
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Reposted by Paul Maidowski
andrejpaleo.bsky.social
Andrej Spiridonov @andrejpaleo.bsky.social · 5d
Wow, this is crazy. Direct megafaunal connections between Europe and North America existed up to the Miocene! Imagine island hopping and strait-crossing rhinos in the Arctic:
🧪 ⚒️ #Paleobio #EvoBio #Geology
www.nature.com/articles/s41...
Phylogeography of rhinos Epiaceratherium itjilik in the Arctic settings. Artwork by Julius T. Csotonyi.
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ppmv.bsky.social
Paul Maidowski @ppmv.bsky.social · 8d
Who here works in carbon capture and storage (CCS), utilization (CCU) or emissions trading? I may be more involved going forward and will be curious to hear about current technologies and people’s ideas. Merci all!
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Reposted by Paul Maidowski
miriamvollmer.bsky.social
Miriam Vollmer @miriamvollmer.bsky.social · 8d
86 % (!) der Gasnetzbetreiber schreiben ihre Gasnetze für 2026 verkürzt ab. Stillgelegt werden kann danach ab 2035. 2045 soll es kein Erdgasnetz mehr geben. Parallel verteuern immer knappere Zertifikate Erdgas.

Insofern, Leute, seid vorsichtig: Hände weg von neuen Gasheizungen.
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Reposted by Paul Maidowski
egasmb.bsky.social
Egas Moniz Bandeira ᠡᡤᠠᠰ ᠮᠣᠨᠢᠰ ᠪᠠᠨᡩ᠋ᠠᠶᠢᠷᠠ @egasmb.bsky.social · 9d
From the series ‘English loanwords in contemporary Mandarin’: 嗨 hāi, < ‘high’, ‘in high spirits,’ ‘exhilarated’… can also be used as a verb: 去嗨, ‘go have fun’, 嗨起來 etc. 😁
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robbieandrew.bsky.social
Robbie Andrew @robbieandrew.bsky.social · 10d
In which they don't discuss why they called it "carbon emissions" in the title when the report they're covering is actually about the amount of carbon in the atmosphere.
Have to assume they think these are the same, but they're not. Such is our collective misuse of the word "emissions".
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climatecasino.net
Prof. Eliot Jacobson @climatecasino.net · 15d
NOAA did not post a CO2 average for September, 2025. Based on all of the available data, CO2 averaged 424.41 ppm for Sept., 2025, a gain of 2.38 ppm from Sept., 2024.

The mean rate of CO2 growth (ppm growth per 3 years) is near an all-time high.

gml.noaa.gov/webdata/ccgg...
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Reposted by Paul Maidowski
robbieandrew.bsky.social
Robbie Andrew @robbieandrew.bsky.social · 25d
NOAA data show Mauna Loa was about to be deluged, but perhaps the US government shutdown has saved it just in time?
robbieandrew.github.io/ppm/
Graph showing: Weekly atmospheric CO2 at Mauna Loa, in the style of Hokusai.
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Reposted by Paul Maidowski
robbieandrew.bsky.social
Robbie Andrew @robbieandrew.bsky.social · 16d
One of the most dramatic "blips" at a global level, ever.
robbieandrew.github.io/internationa...
Graph showing: Monthly global air passengers
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Reposted by Paul Maidowski
peterbrannen.bsky.social
Peter Brannen @peterbrannen.bsky.social · 17d
It can not be exaggerated just how wild the climate of the Pleistocene was in which we evolved. All of recorded history is in pixel at the very top of the very last zigzag, all the way to the right of this graph. From a new paper on sea level over past 4.5 million yrs www.science.org/doi/10.1126/...
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Reposted by Paul Maidowski
rollingstone.com
Rolling Stone @rollingstone.com · 18d
Long Covid Is Real — And It’s Changing an Entire Generation

Hundreds of thousands of kids in America are struggling with an illness that many doctors and schools refuse to recognize.e

Feature: www.rollingstone.com/culture/cult...
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rikefranke.bsky.social
Ulrike Franke @rikefranke.bsky.social · 18d
German defence minister Pistorius has announced that Germany will spend 10 billion € over the next years on drones “of all kinds”.
Details so far not available 🤷‍♀️

www.sueddeutsche.de/politik/pist...
Pistorius: Deutschland wird in den kommenden Jahren 10 Milliarden für Drohnen aller Art investieren
www.sueddeutsche.de
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Reposted by Paul Maidowski
mongabay.com
Mongabay @mongabay.com · 19d
Global deforestation hasn’t slowed in any significant way in the four years since 127 countries pledged to halt and reverse forest loss and degradation by 2030.

The newly published 2025 Forest Declaration Assessment shows that nations are 63% off track from meeting their zero-deforestation target.
Global goal of zero deforestation by 2030 is severely off track
Global deforestation hasn’t slowed in any significant way in the four years since 127 countries pledged to halt and reverse forest loss and degradation by 2030. The newly published 2025 Forest…
news.mongabay.com
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Reposted by Paul Maidowski
giuliomattioli.bsky.social
Giulio Mattioli @giuliomattioli.bsky.social · 19d
Interesting new report by the German Environment Agency on tourism & long-distance travel, showing (among other things) that the distance travelled by plane was over the pre-COVID peak in 2023 already umweltbundesamt.de/publikatione...
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Reposted by Paul Maidowski
pnas.org
Proceedings of the National Academy of Sciences @pnas.org · 21d
Earth’s northern and southern hemispheres are darkening, according to 24 years of satellite data. The northern hemisphere is darkening faster than the southern hemisphere, an asymmetry with implications for future climate. In PNAS: https://ow.ly/ktjF50XaACn
First light images from Clouds and the Earth’s Radiant Energy System (CERES) Flight Model 1 and 2. CREDIT: NASA
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davidho.bsky.social
David Ho @davidho.bsky.social · Oct 3
The natural weathering of ALL THE ROCKS in the world removes almost 1 billion tonnes of CO₂ from the atmosphere every year. Enhanced rock weathering is an attempt to use a minuscule fraction of ALL THE ROCKS to remove many times more CO₂.
How spreading rocks on fields could combat climate change
‘Enhanced rock weathering’ is a simple, but also hard to measure, way of capturing carbon
www.ft.com
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Reposted by Paul Maidowski
betterpolice.de
BetterPolice e.V. @betterpolice.de · Mar 20
Verwaltungsgericht Berlin: Schmerzgriffe gegen Klimaaktivist rechtswidrig.

»Der Einsatz sei nicht erforderlich gewesen, weil die Polizeikräfte den Kläger von der Fahrbahn hätten wegtragen können.«
„Klimakleber“: Polizeilicher Schmerzgriff war rechtswidrig (Nr. 18/2025) - Berlin.de
www.berlin.de
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ppmv.bsky.social
Paul Maidowski @ppmv.bsky.social · 24d
Not a helpful analogy IMHO. “Unmasking” of warming that had already been “in the pipeline” or committed is a far more accurate description. CO2 residence time in the atmosphere is multi-millennia vs. weeks to months for aerosols. It’s never been “less effective,” just not as directly visible
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