John Marsham
@johnmarsham.bsky.social
Prof of Atmospheric Science, Weather, Climate, Tropical Meteorology, Communicating the Climate Crisis
Great PhD work by James Bassford in @agu.org Geophys.Res.Lett.
Using statistical mechanics concepts he explains why one model can capture the bimodal water vapour distribution over tropical oceans, & another cannot
essopenarchive.org/users/593994...
Using statistical mechanics concepts he explains why one model can capture the bimodal water vapour distribution over tropical oceans, & another cannot
essopenarchive.org/users/593994...
Tropical TCV as a process diagnostic: connecting probability to processes in km-scale models via moisture budget statistics
Observations show a bimodal frequency distribution in total column vapour (TCV) over tropical oceans, with convective rainfall predominantly produced on the moist side of the frequency minimum between...
essopenarchive.org
February 5, 2026 at 2:26 PM
Great PhD work by James Bassford in @agu.org Geophys.Res.Lett.
Using statistical mechanics concepts he explains why one model can capture the bimodal water vapour distribution over tropical oceans, & another cannot
essopenarchive.org/users/593994...
Using statistical mechanics concepts he explains why one model can capture the bimodal water vapour distribution over tropical oceans, & another cannot
essopenarchive.org/users/593994...
One dead, 1000s evacuated, I imagine this will affect UK food supplies(?) and it's not even in the UK news ... We have normalised ClimateCrisis extremes far quicker than I thought we would (I know there's a lot in the news just now)
www.euronews.com/2026/02/05/a...
www.euronews.com/2026/02/05/a...
At least one killed as Storm Leonardo tears through Portugal and Spain
Leonardo is the latest in a string of storms to affect Spain and Portugal this year. Severe weather had already killed five people and injured hundreds in Portugal last week.
www.euronews.com
February 5, 2026 at 10:16 AM
One dead, 1000s evacuated, I imagine this will affect UK food supplies(?) and it's not even in the UK news ... We have normalised ClimateCrisis extremes far quicker than I thought we would (I know there's a lot in the news just now)
www.euronews.com/2026/02/05/a...
www.euronews.com/2026/02/05/a...
The Olympics are allowing oil and gas companies to sponsor the Games – even as fossil fuels threaten the future of winter sports. Add your name and urge them to end fossil fuel sponsorship for good >> act.gp/4rnOGOu
Stop oil and gas sponsorship at the Olympics
The Olympics are allowing oil and gas companies to sponsor the Games – even as fossil fuels threaten the future of winter sports. Add your name and urge them to end fossil fuel sponsorship for good >>
act.gp
February 3, 2026 at 9:35 PM
The Olympics are allowing oil and gas companies to sponsor the Games – even as fossil fuels threaten the future of winter sports. Add your name and urge them to end fossil fuel sponsorship for good >> act.gp/4rnOGOu
Reposted by John Marsham
Thank you to South Hams District Council for backing the #NationalEmergencyBriefing. We hope to see many other councils following suit. Suggested template motion below to share with your local councillors.
@southhamsdc.bsky.social
#NEB2025 #TimeToStepUp
@southhamsdc.bsky.social
#NEB2025 #TimeToStepUp
South Hams backs National Emergency Briefing and urges UK100 councils to join call for urgent climate action
South Hams District Council has formally backed the National Emergency Briefing initiative, following a major Westminster event that warned of escalating risks to the UK’s health, food supply, nationa...
www.torbayweekly.co.uk
February 3, 2026 at 11:51 AM
Thank you to South Hams District Council for backing the #NationalEmergencyBriefing. We hope to see many other councils following suit. Suggested template motion below to share with your local councillors.
@southhamsdc.bsky.social
#NEB2025 #TimeToStepUp
@southhamsdc.bsky.social
#NEB2025 #TimeToStepUp
Reposted by John Marsham
My comment to the misleading Ecotricity report post almost got more likes than their post - let’s at least match theirs.
www.linkedin.com/posts/ecotri...
www.linkedin.com/posts/ecotri...
A major new report using government data and a survey of 1,000+ heat-pump owners reveals a gap between promises and reality. Despite claims they cut bills, 85% of users saw no reduction and nearly 7… ...
A major new report using government data and a survey of 1,000+ heat-pump owners reveals a gap between promises and reality. Despite claims they cut bills, 85% of users saw no reduction and nearly 7 o...
www.linkedin.com
January 31, 2026 at 5:35 PM
My comment to the misleading Ecotricity report post almost got more likes than their post - let’s at least match theirs.
www.linkedin.com/posts/ecotri...
www.linkedin.com/posts/ecotri...
Mike Stanton, the chair of the Somerset Rivers Authority. “It may be that in the next 50 years, perhaps in the next 20, some homes around here will have to be abandoned.”
The Somerset Levels used to be under the sea, and with 2m of sea-level rise possible within 75 years, and several more metres rise thereafter, resettlement is the only long-term solution
www.theguardian.com/uk-news/2026...
www.theguardian.com/uk-news/2026...
‘Feels like a losing battle’: the fight against flooding in Somerset
Emergency pumps are deployed in attempt to stop water inundating homes around River Parrett
www.theguardian.com
January 29, 2026 at 5:48 PM
Mike Stanton, the chair of the Somerset Rivers Authority. “It may be that in the next 50 years, perhaps in the next 20, some homes around here will have to be abandoned.”
This event has been tragically under-reported in UK news
Climate change and La Niña made ‘devastating’ southern African floods more intense
Analysis by @wwattribution.bsky.social
#climatecrisis
By @ayeshatandon.carbonbrief.org and @yaninequiroz.bsky.social
www.carbonbrief.org/climate-chan...
Analysis by @wwattribution.bsky.social
#climatecrisis
By @ayeshatandon.carbonbrief.org and @yaninequiroz.bsky.social
www.carbonbrief.org/climate-chan...
Climate change and La Niña made ‘devastating’ southern African floods more intense - Carbon Brief
From late December 2025 to early January, south-eastern Africa was hit hard by intense downpours
www.carbonbrief.org
January 29, 2026 at 2:40 PM
This event has been tragically under-reported in UK news
Reposted by John Marsham
NEW ANALYSIS: UK household electricity bills have risen over the last 5 years.
BUT: Despite frequent claims that net zero is to blame: 2/3 of the increase is because of high gas prices shows new @ukerc.bsky.social report.
Arguably without renewable energy the UK would see even higher bills today.
BUT: Despite frequent claims that net zero is to blame: 2/3 of the increase is because of high gas prices shows new @ukerc.bsky.social report.
Arguably without renewable energy the UK would see even higher bills today.
January 28, 2026 at 6:20 PM
NEW ANALYSIS: UK household electricity bills have risen over the last 5 years.
BUT: Despite frequent claims that net zero is to blame: 2/3 of the increase is because of high gas prices shows new @ukerc.bsky.social report.
Arguably without renewable energy the UK would see even higher bills today.
BUT: Despite frequent claims that net zero is to blame: 2/3 of the increase is because of high gas prices shows new @ukerc.bsky.social report.
Arguably without renewable energy the UK would see even higher bills today.
Compared with most UK journalism, it's refreshing to see a reporter stating straight up these are climate crisis stories. It shouldn't be. But you really don't see much UK media treating UK floods like that
Drought in the east, floods in the south: Africa battered by climate change
www.aljazeera.com/amp/news/202...
www.aljazeera.com/amp/news/202...
Drought in the east, floods in the south: Africa battered by climate change
Covering extreme drought and massive flooding in a matter of weeks shows one reporter the toll of the climate crisis.
www.aljazeera.com
January 28, 2026 at 8:05 PM
Compared with most UK journalism, it's refreshing to see a reporter stating straight up these are climate crisis stories. It shouldn't be. But you really don't see much UK media treating UK floods like that
Reposted by John Marsham
Sometimes you see a graph and your like - damn thats a nice graph....
....
...
just me?
....
...
just me?
This is a super insightful graph from @kingsmillbond.bsky.social illustrating how countries like India that are experiencing economic development later are skipping over some (not all) fossil dependency.
ember-energy.org/latest-insig...
ember-energy.org/latest-insig...
January 28, 2026 at 7:25 PM
Sometimes you see a graph and your like - damn thats a nice graph....
....
...
just me?
....
...
just me?
I've long thought that our climate crisis response must urgently learn from this. The experts were shouting it's not safe, but the management didn't want to hear that message. They wanted to carry on. Climate scientists often say it will be "catastrophic" without rapidly phasing out fossil fuels...
When the engineers say, "It's not safe. Something bad will happen," it's always best to listen and err on the side of caution.
'It's going to be catastrophic': The inside story of the Challenger disaster
Forty years ago, the Challenger space shuttle disintegrated just after lift-off. A small team of engineers tried to prevent the tragedy.
www.abc.net.au
January 28, 2026 at 10:11 AM
I've long thought that our climate crisis response must urgently learn from this. The experts were shouting it's not safe, but the management didn't want to hear that message. They wanted to carry on. Climate scientists often say it will be "catastrophic" without rapidly phasing out fossil fuels...
Floods in UK - but no mention of Climate Emergency by BBC. To me, incredibly poor journalism to report on events but not on known reasons for them.
www.bbc.co.uk/news/article...
www.bbc.co.uk/news/article...
More than 100 flood warnings as Storm Chandra disruption continues
A major incident has been declared in Somerset, with weather warnings for ice across much of the country.
www.bbc.co.uk
January 28, 2026 at 9:08 AM
Floods in UK - but no mention of Climate Emergency by BBC. To me, incredibly poor journalism to report on events but not on known reasons for them.
www.bbc.co.uk/news/article...
www.bbc.co.uk/news/article...
Please sign and share. To act with the urgency we need, we need media to tell the truth
I've just emailed Ofcom to ask them to take climate misinformation seriously. We only have 14 days to act! goodlaw.social/6da8be
January 27, 2026 at 7:45 PM
Please sign and share. To act with the urgency we need, we need media to tell the truth
Reposted by John Marsham
Scotland's largest Passivhaus school slashes energy bills by £430k.
www.heraldscotland.com/news/2579882...
www.heraldscotland.com/news/2579882...
Scotland's largest Passivhaus school slashes energy bills by £430k
“These figures prove without doubt that Passivhaus works at scale."
www.heraldscotland.com
January 27, 2026 at 11:34 AM
Scotland's largest Passivhaus school slashes energy bills by £430k.
www.heraldscotland.com/news/2579882...
www.heraldscotland.com/news/2579882...
Reposted by John Marsham
Please help take the National Emergency Briefing across the country by donating to our People's Emergency Briefing film crowdfunder, if you can.
www.crowdfunder.co.uk/p/the-people...
Thank you to the many who have already donated.
#NEB2025 #TimeToStepUp
www.crowdfunder.co.uk/p/the-people...
Thank you to the many who have already donated.
#NEB2025 #TimeToStepUp
January 27, 2026 at 12:43 PM
Please help take the National Emergency Briefing across the country by donating to our People's Emergency Briefing film crowdfunder, if you can.
www.crowdfunder.co.uk/p/the-people...
Thank you to the many who have already donated.
#NEB2025 #TimeToStepUp
www.crowdfunder.co.uk/p/the-people...
Thank you to the many who have already donated.
#NEB2025 #TimeToStepUp
A "good" day to start @envleeds.bsky.social undergrad teaching on "SOEE3701 Modelling Extreme Weather Events" and MSc "SOEE56M Climate Risk". I should have grabbed the warnings image when more were in place.
Thanks all for battling thro rain to make a 9am, and for great q's! Science to practise!
Thanks all for battling thro rain to make a 9am, and for great q's! Science to practise!
January 27, 2026 at 3:41 PM
A "good" day to start @envleeds.bsky.social undergrad teaching on "SOEE3701 Modelling Extreme Weather Events" and MSc "SOEE56M Climate Risk". I should have grabbed the warnings image when more were in place.
Thanks all for battling thro rain to make a 9am, and for great q's! Science to practise!
Thanks all for battling thro rain to make a 9am, and for great q's! Science to practise!
Reposted by John Marsham
HUGE moment for the EU car market as battery EVs overtake petrol cars for the first time ever
But there's no "natural" demand for EVs amirite?
Article by @mollylempriere.carbonbrief.org
www.carbonbrief.org/analysis-evs...
But there's no "natural" demand for EVs amirite?
Article by @mollylempriere.carbonbrief.org
www.carbonbrief.org/analysis-evs...
January 27, 2026 at 2:46 PM
HUGE moment for the EU car market as battery EVs overtake petrol cars for the first time ever
But there's no "natural" demand for EVs amirite?
Article by @mollylempriere.carbonbrief.org
www.carbonbrief.org/analysis-evs...
But there's no "natural" demand for EVs amirite?
Article by @mollylempriere.carbonbrief.org
www.carbonbrief.org/analysis-evs...
Yes - but also ~17% of budget for 2deg, ie we have even less time than many quite well informed people think, and we already know that we have a lot less time than many people show should know better think (i.e. MPs)
So that's 25% less of barely anything. Or in climate policy language: fuck all.
January 26, 2026 at 12:02 PM
Yes - but also ~17% of budget for 2deg, ie we have even less time than many quite well informed people think, and we already know that we have a lot less time than many people show should know better think (i.e. MPs)
Reposted by John Marsham
We are facing an extremely serious threat. There is much we can do, but action will not happen until the public is informed.
Please ask your MP to sign the Parliamentary Call for a televised emergency briefing on the #climate and #nature crisis. #NEB2025
www.nebriefing.org/parliamentar...
Please ask your MP to sign the Parliamentary Call for a televised emergency briefing on the #climate and #nature crisis. #NEB2025
www.nebriefing.org/parliamentar...
January 23, 2026 at 12:06 PM
We are facing an extremely serious threat. There is much we can do, but action will not happen until the public is informed.
Please ask your MP to sign the Parliamentary Call for a televised emergency briefing on the #climate and #nature crisis. #NEB2025
www.nebriefing.org/parliamentar...
Please ask your MP to sign the Parliamentary Call for a televised emergency briefing on the #climate and #nature crisis. #NEB2025
www.nebriefing.org/parliamentar...
Reposted by John Marsham
In other news, I was inadvertently racist at school, I inadvertently lied about my house purchase to avoid tax and inadvertently led a party that was infiltrated by Russia.
January 23, 2026 at 8:28 AM
In other news, I was inadvertently racist at school, I inadvertently lied about my house purchase to avoid tax and inadvertently led a party that was infiltrated by Russia.
Really excited about this project with KNUST, Cambridge @ucadsenegal.bsky.social @theturing.bsky.social et al.
There is potential to really transform weather forecasts for Africa in the next decade - with far more forecasting & science done in Africa
www.leeds.ac.uk/news/article...
There is potential to really transform weather forecasts for Africa in the next decade - with far more forecasting & science done in Africa
www.leeds.ac.uk/news/article...
AI forecasting strengthens climate resilience
Researchers are harnessing the latest advances in AI to enhance weather prediction and improve climate resilience and food security in West Africa.
www.leeds.ac.uk
January 22, 2026 at 2:56 PM
Really excited about this project with KNUST, Cambridge @ucadsenegal.bsky.social @theturing.bsky.social et al.
There is potential to really transform weather forecasts for Africa in the next decade - with far more forecasting & science done in Africa
www.leeds.ac.uk/news/article...
There is potential to really transform weather forecasts for Africa in the next decade - with far more forecasting & science done in Africa
www.leeds.ac.uk/news/article...
ClimateCrisis everywhere. Of course behind/affects Europe-USA-Greenland headline geopolitics.
Meanwhile extremes enhanced by climate crisis cause lesser headlines: Tragedy in NZ. Floods in UK. Tragedy in Spain (train crash was due to collapsed wall after months of drought + heavy rain ).
Meanwhile extremes enhanced by climate crisis cause lesser headlines: Tragedy in NZ. Floods in UK. Tragedy in Spain (train crash was due to collapsed wall after months of drought + heavy rain ).
January 22, 2026 at 9:32 AM
ClimateCrisis everywhere. Of course behind/affects Europe-USA-Greenland headline geopolitics.
Meanwhile extremes enhanced by climate crisis cause lesser headlines: Tragedy in NZ. Floods in UK. Tragedy in Spain (train crash was due to collapsed wall after months of drought + heavy rain ).
Meanwhile extremes enhanced by climate crisis cause lesser headlines: Tragedy in NZ. Floods in UK. Tragedy in Spain (train crash was due to collapsed wall after months of drought + heavy rain ).
Reports are getting starker and starker in their warnings
www.theguardian.com/environment/...
www.theguardian.com/environment/...
www.theguardian.com/environment/...
www.theguardian.com/environment/...
Era of ‘global water bankruptcy’ is here, UN report says
Overuse and pollution must end urgently as no one knows when whole system might collapse, says expert
www.theguardian.com
January 20, 2026 at 10:29 PM
Reports are getting starker and starker in their warnings
www.theguardian.com/environment/...
www.theguardian.com/environment/...
www.theguardian.com/environment/...
www.theguardian.com/environment/...
Reposted by John Marsham
At least 100 #nuclear power stations have been built just a few meters above sea-level and will be increasingly threatened by serious flooding caused by accelerating #climate driven sea-level rise and more frequent storm surge.
nsip-documents.planninginspectorate.gov.uk/published-do...
nsip-documents.planninginspectorate.gov.uk/published-do...
nsip-documents.planninginspectorate.gov.uk
January 20, 2026 at 12:19 PM
At least 100 #nuclear power stations have been built just a few meters above sea-level and will be increasingly threatened by serious flooding caused by accelerating #climate driven sea-level rise and more frequent storm surge.
nsip-documents.planninginspectorate.gov.uk/published-do...
nsip-documents.planninginspectorate.gov.uk/published-do...
Reposted by John Marsham
"The UK does not have enough land to feed its population and rear livestock: a wholesale change in consumer diets would be required." re: the challenge of food security under nature collapse.
from a UK govt national security assessment out today…
assets.publishing.service.gov.uk/media/696e0e...
from a UK govt national security assessment out today…
assets.publishing.service.gov.uk/media/696e0e...
assets.publishing.service.gov.uk
January 20, 2026 at 5:26 PM
"The UK does not have enough land to feed its population and rear livestock: a wholesale change in consumer diets would be required." re: the challenge of food security under nature collapse.
from a UK govt national security assessment out today…
assets.publishing.service.gov.uk/media/696e0e...
from a UK govt national security assessment out today…
assets.publishing.service.gov.uk/media/696e0e...