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simonlewis.bsky.social
Simon Lewis
@simonlewis.bsky.social
2.4K followers 690 following 140 posts

They say I’m outspoken. Professor of Global Change Science at UCL and University of Leeds. Author, The Human Planet. Trying to understand the world and change it too.

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Simon Lewis may refer to:Simon Lewis (writer), British novelist and screenwriter Simon Lewis , a character in The Mortal Instruments series of novels Simon Lewis, director of communications for PM Gordon Brown Simon Lewis Simon Lewis (lifeguard), Australian volunteer lifesaver .. more

Environmental science 69%
Geography 18%
Posts Replies Media Videos

simonlewis.bsky.social
Simon Lewis @simonlewis.bsky.social · 2d
Contrast with the treatment of the Palestine Action prisoners who are on hunger strike.

simonlewis.bsky.social
Simon Lewis @simonlewis.bsky.social · 2d
Great thread to bring in 2026.
thierryaaron.bsky.social Dr. Aaron Thierry @thierryaaron.bsky.social · 2d
This year has been brutal for the #climate movement.

Rollbacks, repression, & outright denial, especially in the US, have made progress feel fragile & uneven.

Which is exactly why it matters to pause & look back at what did move forward in 2025.

Here are 12 real wins 🏆, one for each month 🧵⬇️

Reposted by Simon L. Lewis, Gerald Friedman, Daryl Adair , and 1 more

jonburkeuk.bsky.social
Jon Burke🌍 @jonburkeuk.bsky.social · 2d
Three of the top five British grid electricity records smashed in 2025!

This is a huge success story, despite what Russian bots and U.S fossil fuel shills scream on X.

Every unit of clean domestic energy we produce means a safer future for our children…🥳

Reposted by Simon L. Lewis

declassifieduk.org
Declassified UK @declassifieduk.org · 2d
In 2025 and 2024 Israel’s air force and army chiefs were given special immunity by Keir Starmer’s government to visit Britain, to protect them from possible prosecution for war crimes.

www.declassifieduk.org/israeli-air-...
Israeli air force chief given special immunity to visit Britain
Exclusive: Israeli air force commander Tomer Bar received a “special mission” certificate for his secret trip to the UK, protecting him from arrest for war crimes.
www.declassifieduk.org

Reposted by Simon L. Lewis, James M. Bullock, Richard Betts , and 2 more

thierryaaron.bsky.social
Dr. Aaron Thierry @thierryaaron.bsky.social · 2d
This year has been brutal for the #climate movement.

Rollbacks, repression, & outright denial, especially in the US, have made progress feel fragile & uneven.

Which is exactly why it matters to pause & look back at what did move forward in 2025.

Here are 12 real wins 🏆, one for each month 🧵⬇️

Reposted by Simon L. Lewis

extremetemps.bsky.social
Extreme Temperatures Around the World @extremetemps.bsky.social · 8d
Never ending record heat in Central Africa
Abnormally hot nights continue relentless with Mins >27C in Ivory Coast,Benin,Ghana and Togo

New December record of Highest Minimum at Dapaong,TOGO: min 26.5C
Second highest ever at Sassandra,Ivory Coast: min 26.8C

Maxes of 40C coming!

Reposted by Simon L. Lewis

kevinjgsmith.bsky.social
Kevin Smith @kevinjgsmith.bsky.social · 12d
It's so hard to contrast all the nice warm, Christmas feelings with the stress and trauma of what families of the hunger strikers in prison are going through right now. I've made a donation to them as part of my last minute Christmas shopping. chuffed.org/project/filt...
Filton 24 Support Fund
In August 2024, six actionists drove a modified prison van into Elbit’s research, development, and manufacturing hub in Filton, Bristol. Once inside, the six dismantled Israeli weapons, including the ...
chuffed.org

Reposted by Simon L. Lewis

tomxr.bsky.social
Tom Hardy @tomxr.bsky.social · 12d
Something very dark is happening here.
The UK media’s silence on the Palestine Action activists’ hunger strikes is a deliberate editorial choice - Media@LSE
LSE's Professor Bart Cammaerts discusses the lack of coverage of the hunger strikes of imprisoned Palestine Action activists in the UK media.
blogs.lse.ac.uk

simonlewis.bsky.social
Simon Lewis @simonlewis.bsky.social · 15d
There are political prisoners in the UK on hunger strike, some who are now very ill. This has got very little media coverage. Good to see some coverage, now there needs to be some action.
saulstaniforth.bsky.social Saul Staniforth @saulstaniforth.bsky.social · 15d
"Some of them have been on hunger strike for 48 days"

Well done to @adilray.bsky.social for covering the Palestine hunger strikers and reading out their names on #GMB.

Reposted by Simon L. Lewis

saulstaniforth.bsky.social
Saul Staniforth @saulstaniforth.bsky.social · 15d
"Some of them have been on hunger strike for 48 days"

Well done to @adilray.bsky.social for covering the Palestine hunger strikers and reading out their names on #GMB.

Reposted by Simon L. Lewis, Julie Leask, Gavin A. Schmidt , and 6 more

trishgreenhalgh.bsky.social
Trish Greenhalgh @trishgreenhalgh.bsky.social · 16d
When I was a medical student 45 years ago, I clerked in a 13 year old girl with deep jaundice and an abdominal mass. She was Hepatitis B positive. That had led to a primary liver tumour. In a 13-year-old. She was dead within the month. Avoidable with vaccination.
sheencr.bsky.social Prof Sheena Cruickshank @sheencr.bsky.social · 16d
The CDC has endorsed ACIP’s decision of revoking universal access in USA to hepatitis B vaccines at birth. The policy had been in place for 34y and was changed despite no new evidence emerging of any risk of vaccination. #HealthPolicy 🧵
CDC accepts ACIP’s hepatitis B vaccine recommendations for babies
The CDC also said if a baby is not receiving a birth dose of vaccine, the initial dose should be administered no earlier than 2 months of age.
www.cidrap.umn.edu

Reposted by Katharine Hayhoe, Elizabeth Saunders, Rebecca Solnit , and 67 more

usatoday.com
USA TODAY @usatoday.com · 17d
Exclusive: The Trump administration is moving to dismantle the National Center for Atmospheric Research in Colorado, according to a senior White House official, taking aim at one of the world's leading climate research labs.
Trump moves to dismantle major US climate research center in Colorado
The Trump administration is breaking up the National Center for Atmospheric Research, taking aim at one of the world's leading climate research labs.
bit.ly

simonlewis.bsky.social
Simon Lewis @simonlewis.bsky.social · 18d
If you want a bit of beauty in your timeline, follow Charlie, who made the first moth, butterfly and dragonfly collections from the central Congo peatlands, to understand their diversity and community structure.
hackforth.bsky.social Charlie Hackforth @hackforth.bsky.social · 18d
As we come to the end of 2025 I've had some time to photograph some moth specimens from my work in the Republic of the Congo, which I will share here in the coming weeks. First up:

Mazuca strigicincta (Walker, 1866)
Noctuidae: Xyleninae
C. Hackforth det. 2024
Republic of the Congo

Reposted by Simon L. Lewis

hackforth.bsky.social
Charlie Hackforth @hackforth.bsky.social · 18d
As we come to the end of 2025 I've had some time to photograph some moth specimens from my work in the Republic of the Congo, which I will share here in the coming weeks. First up:

Mazuca strigicincta (Walker, 1866)
Noctuidae: Xyleninae
C. Hackforth det. 2024
Republic of the Congo

Reposted by Simon L. Lewis

philipcball.bsky.social
Philip Ball @philipcball.bsky.social · 19d
I have read, blurbed, reviewed quite a lot of science books this year. Here are some I have particularly enjoyed, in no particular order.
@matthewcobb.bsky.social's long awaited biography of Francis Crick did not disappoint. Authoritative and highly readable. 🧵
www.nature.com/articles/d41...
Sex, drugs and the conscious brain: Francis Crick beyond the double helix
A thoroughly researched account of the history and relationships that shaped the scientist who co-discovered the structure of DNA.
www.nature.com

Reposted by Simon L. Lewis, Julia Koricheva

andreafuller.bsky.social
Andrea Fuller @andreafuller.bsky.social · 19d
How to write a constructive peer review - see our new editorial, led by @biolumijeffence.bsky.social

With some of the team from @conphysjournal.bsky.social
Tips and tricks for writing constructive peer reviews
Peer review has been the cornerstone of scientific inquiry for centuries and is considered the backbone of scientific quality and rigour (Spier, 2002). Des
academic.oup.com

Reposted by Simon L. Lewis, Paul Lehmann

gwagner.com
Gernot Wagner @gwagner.com · 20d
Move over, McKinsey report showing how single-digit trillions of dollars could limit global average warming to 1.5°C.

Hello, McKinsey report showing how single-digit trillions of dollars could help adapt to 2°C world.
Heat and drought will drive three-quarters of climate adaptation costs

Reposted by Brian J. Enquist, Simon L. Lewis

gusanero.bsky.social
Lee Dyer @gusanero.bsky.social · 23d
It was an honor to work with this group... and the paper is excellent, but the implications for tropical ecosystems make me really sad. www.nature.com/articles/s41...
Hot droughts in the Amazon provide a window to a future hypertropical climate - Nature
Thirty years of forest demographic data, combined with recent ecophysiological measurements, reveal that intense Amazon droughts sharply increase tree mortality once soil moisture falls below a thresh...
www.nature.com

Reposted by Simon L. Lewis

ianfraser.bsky.social
Ian Fraser @ianfraser.bsky.social · 23d
The Institute of Economic Affairs likes to masquerade as an impartial economics think tank. This investigation by @writesbright.bsky.social and @desmog.com confirms that the IEA is much closer to being a paid lobbyist for the fossil fuel industry.
The Institute of Economic Affairs Banked £640,000 from Oil Giants and Murdoch
The Institute of Economic Affairs (IEA) – the anti-state, anti-climate pressure group – received more than £640,000 from fossil fuel companies and Rupert Murdoch’s media conglomerate between 1957 and ...
www.desmog.com

Reposted by Simon L. Lewis

granthamlse.bsky.social
Grantham Research Institute at LSE @granthamlse.bsky.social · 23d
We are looking for expressions of interest for The Leverhulme Trust Early Career Fellowship scheme.

We welcome proposals from exceptional scholars in economics and the social sciences working on topics aligned with our research themes in climate change, environment, and sustainable development.
Work with us - Grantham Research Institute on climate change and the environment
Current job vacancies at The Grantham Research Institute. For LSE jobs, please see the main website.
www.lse.ac.uk

simonlewis.bsky.social
Simon Lewis @simonlewis.bsky.social · 23d
Trumps next move… powerful piece.
timothysnyder.bsky.social Timothy Snyder @timothysnyder.bsky.social · 24d
The mass deportation of undocumented people was one of Hitler’s largest coercive policies before the war. This set off a chain of events which can give us a useful perspective on where we are now.
snyder.substack.com/p/self-terro...
Land War or Self-Terrorism?
Trump's Likely Next Step
snyder.substack.com

Reposted by Simon L. Lewis, Bruce D. Baker

timothysnyder.bsky.social
Timothy Snyder @timothysnyder.bsky.social · 24d
The mass deportation of undocumented people was one of Hitler’s largest coercive policies before the war. This set off a chain of events which can give us a useful perspective on where we are now.
snyder.substack.com/p/self-terro...
Land War or Self-Terrorism?
Trump's Likely Next Step
snyder.substack.com

Reposted by Simon L. Lewis

nature.com
Nature @nature.com · 24d
Analysis of more than 1 million people shows that mental-health disorders fall into five clusters, each of them linked to a specific set of genetic variants

go.nature.com/3Ymtiwg
Huge genetic study reveals hidden links between psychiatric conditions
Analysis of more than 1 million people shows that mental-health disorders fall into five clusters, each of them linked to a specific set of genetic variants.
go.nature.com

Reposted by Simon L. Lewis, Erle C. Ellis, James M. Bullock , and 2 more

ecologicalsociety.bsky.social
Ecological Society of America @ecologicalsociety.bsky.social · 24d
The National Academies of Sciences, Engineering and Medicine is seeking expert nominations for an independent review of the United by Nature draft assessment. Ecologists—consider nominating yourself or a colleague!

✅ Deadline: Dec 15
🔗https://tinyurl.com/nvw86sza

simonlewis.bsky.social
Simon Lewis @simonlewis.bsky.social · 24d
Such an elegant paper, much food for thought. Thanks!

simonlewis.bsky.social
Simon Lewis @simonlewis.bsky.social · 25d
Such a cool study. Makes me wonder if there is more salt accumulation in the central Congo peatlands which may explain why there are such high densities of elephants and gorillas there.
andrewabraham.bsky.social Andrew Abraham @andrewabraham.bsky.social · 25d
Earth's largest land animals are limited by salt.

Sodium availability constrains the density and distribution of elephants, giraffes and rhinos across Africa, and offers a new explanation for the so-called 'missing megaherbivores'.

www.nature.com/articles/s41...
Free access: rdcu.be/eTPY2

Reposted by Brian J. Enquist, Simon L. Lewis, Elena Litchman , and 1 more

quant-ecology.bsky.social
Colin Kremer @quant-ecology.bsky.social · 25d
Ecologists recognize the importance of integrating across scales, yet our models often target specific scales. Our new paper presents models of population growth that scale up to explain community-level patterns, including interactions of temperature, light & nutrients. doi.org/10.1002/ecm....
3D figure showing how a family of unimodal, species-level thermal performance curves are collectively bounded by an exponential function across species, uniting predictions of growth rate at population and community levels. From Fig. S4.

Reposted by Jens‐Christian Svenning, Yadvinder Malhi, Brian J. Enquist , and 7 more

andrewabraham.bsky.social
Andrew Abraham @andrewabraham.bsky.social · 25d
Earth's largest land animals are limited by salt.

Sodium availability constrains the density and distribution of elephants, giraffes and rhinos across Africa, and offers a new explanation for the so-called 'missing megaherbivores'.

www.nature.com/articles/s41...
Free access: rdcu.be/eTPY2

Reposted by Simon L. Lewis, Patrick Dunleavy, Andrew Scott , and 2 more

realcaptainhaddock.bsky.social
Captain Haddock @realcaptainhaddock.bsky.social · Dec 4
Reform gets largest ever political donation by an individual in UK history from a crypto baron living in Thailand

This is not normal

www.ft.com/content/db73...
Reform UK gets £9mn donation from Christopher Harborne
Nigel Farage’s party attracts far more funding than both Labour and the Conservatives
www.ft.com

Reposted by Simon L. Lewis, Peter Thorne

parentsforfuture.de
Parents For Future #EndFossilFuels 🪧🛢️❌ @parentsforfuture.de · Dec 1
#Oops: The seminal paper that has been used for 25 years to justify that the use of #Glyphosate is safe has been retracted.

▶️ www.sciencedirect.com/science/arti...

"Concerns were raised regarding the authorship of this paper, validity of the research findings…"
Regulatory Toxicology and Pharmacology ELSEVIER Volume 31, Issue 2, April 2000, Pages 117-165 RETRACTED: Safety Evaluation and Risk Assessment of the Herbicide Roundup and Its Active Ingredient, Glyphosate, for Humans Gary M. Williams 9 Robert Kroes °, Ian C. Munro © 2 This article has been retracted: please see Elsevier Policy on Article Withdrawal