Dr. Aaron Thierry
@thierryaaron.bsky.social
Graduate student at Cardiff University - researching the role of science and scientists in the climate movement. PhD in Ecology. Activism. Climate communications.
Pinned
My first comment piece in @theguardian.com is on a topic very close to my heart; the threat that the #ClimateCrisis poses to my local community in South Wales.
Here's a thread with a few extra thoughts from me 🧵
Here's a thread with a few extra thoughts from me 🧵
Reposted by Dr. Aaron Thierry
After five years of setbacks, Sarah Finch finally won.
Her message isn’t about easy victories. It’s about persistence and believing that one action can trigger a tipping point in the right direction.
Hear Sarah’s story on the EQUALS Podcast: www.equals.ink/p/a-hopeful-...
#ClimateJustice
Her message isn’t about easy victories. It’s about persistence and believing that one action can trigger a tipping point in the right direction.
Hear Sarah’s story on the EQUALS Podcast: www.equals.ink/p/a-hopeful-...
#ClimateJustice
November 12, 2025 at 2:46 PM
After five years of setbacks, Sarah Finch finally won.
Her message isn’t about easy victories. It’s about persistence and believing that one action can trigger a tipping point in the right direction.
Hear Sarah’s story on the EQUALS Podcast: www.equals.ink/p/a-hopeful-...
#ClimateJustice
Her message isn’t about easy victories. It’s about persistence and believing that one action can trigger a tipping point in the right direction.
Hear Sarah’s story on the EQUALS Podcast: www.equals.ink/p/a-hopeful-...
#ClimateJustice
Reposted by Dr. Aaron Thierry
New from me: I spoke to two scientists who originally helped spread the use of carbon capture. They now say it's being misused. Here's why (gift link):
The Scientists Who Popularized Carbon Capture Have a Warning About It
Many countries are relying on it to meet their climate goals, but it might hurt more than help, they say.
www.bloomberg.com
November 12, 2025 at 11:23 AM
New from me: I spoke to two scientists who originally helped spread the use of carbon capture. They now say it's being misused. Here's why (gift link):
Reposted by Dr. Aaron Thierry
New research from @ecioxford.bsky.social + Danish Technological Institute finds heat pumps can cut industrial heating costs by up to 75% vs hydrogen boilers — the fastest, most affordable path to decarbonising industrial heat.
➡️Read more: tinyurl.com/3e39ypht
#HeatPumps #NetZero #Decarbonisation
➡️Read more: tinyurl.com/3e39ypht
#HeatPumps #NetZero #Decarbonisation
New research shows heat pumps lead the way in decarbonising industrial heat across Europe
www.eci.ox.ac.uk
November 12, 2025 at 5:01 PM
New research from @ecioxford.bsky.social + Danish Technological Institute finds heat pumps can cut industrial heating costs by up to 75% vs hydrogen boilers — the fastest, most affordable path to decarbonising industrial heat.
➡️Read more: tinyurl.com/3e39ypht
#HeatPumps #NetZero #Decarbonisation
➡️Read more: tinyurl.com/3e39ypht
#HeatPumps #NetZero #Decarbonisation
Reposted by Dr. Aaron Thierry
"[AMOC collapse] is a direct threat to national resilience and security" the Icelandic Climate Minister said
"It's the first time a specific climate-related phenomenon has been brought to the National Security Council as a potential existential threat"
Significant
www.reuters.com/sustainabili...
"It's the first time a specific climate-related phenomenon has been brought to the National Security Council as a potential existential threat"
Significant
www.reuters.com/sustainabili...
www.reuters.com
November 12, 2025 at 5:32 PM
"[AMOC collapse] is a direct threat to national resilience and security" the Icelandic Climate Minister said
"It's the first time a specific climate-related phenomenon has been brought to the National Security Council as a potential existential threat"
Significant
www.reuters.com/sustainabili...
"It's the first time a specific climate-related phenomenon has been brought to the National Security Council as a potential existential threat"
Significant
www.reuters.com/sustainabili...
Reposted by Dr. Aaron Thierry
Starting the first Monday of 2026, and continuing every two or three weeks for the rest of that year, I am going to be releasing searchable pdfs and annotated html of the "CO2 newsletter", published between 1979 and 1982 by geologist William N. Barbat.
It will break your heart, again and again.
It will break your heart, again and again.
November 12, 2025 at 3:52 PM
Starting the first Monday of 2026, and continuing every two or three weeks for the rest of that year, I am going to be releasing searchable pdfs and annotated html of the "CO2 newsletter", published between 1979 and 1982 by geologist William N. Barbat.
It will break your heart, again and again.
It will break your heart, again and again.
Reposted by Dr. Aaron Thierry
🔥We've crossed 7 out of 9 planetary boundaries, & global heating is accelerating. What is to be done?
24 scholars, activists & practitioners met at a 5-day workshop to explore how to accelerate collective climate action.
Our summary report is out now ⤵️
🔗 tinyurl.com/cxxembyw
🔗 tinyurl.com/54rmhykx
24 scholars, activists & practitioners met at a 5-day workshop to explore how to accelerate collective climate action.
Our summary report is out now ⤵️
🔗 tinyurl.com/cxxembyw
🔗 tinyurl.com/54rmhykx
November 12, 2025 at 3:40 PM
🔥We've crossed 7 out of 9 planetary boundaries, & global heating is accelerating. What is to be done?
24 scholars, activists & practitioners met at a 5-day workshop to explore how to accelerate collective climate action.
Our summary report is out now ⤵️
🔗 tinyurl.com/cxxembyw
🔗 tinyurl.com/54rmhykx
24 scholars, activists & practitioners met at a 5-day workshop to explore how to accelerate collective climate action.
Our summary report is out now ⤵️
🔗 tinyurl.com/cxxembyw
🔗 tinyurl.com/54rmhykx
Reposted by Dr. Aaron Thierry
JOB: Assistant Professor in Environmental History, University of Warwick, Coventry campus (UK) www.jobs.ac.uk/job/DPK289/a...
#envhist
#envhist
Assistant Professor in Environmental History (111009-1125) at University of Warwick
Apply now for the Assistant Professor in Environmental History (111009-1125) role on jobs.ac.uk - the leading job board for higher education jobs. View details.
www.jobs.ac.uk
November 12, 2025 at 4:01 PM
JOB: Assistant Professor in Environmental History, University of Warwick, Coventry campus (UK) www.jobs.ac.uk/job/DPK289/a...
#envhist
#envhist
Reposted by Dr. Aaron Thierry
Our chair @hughmontgomery.bsky.social will speak at the landmark National Emergency Briefing on #climate & #nature crisis in Westminster Central Hall Nov 27? Is your MP attending?
Enter your postcode to find out: www.nebriefing.org
@nebriefing.bsky.social
#NEB2025 #NationalEmergencyBriefing
Enter your postcode to find out: www.nebriefing.org
@nebriefing.bsky.social
#NEB2025 #NationalEmergencyBriefing
November 12, 2025 at 10:20 AM
Our chair @hughmontgomery.bsky.social will speak at the landmark National Emergency Briefing on #climate & #nature crisis in Westminster Central Hall Nov 27? Is your MP attending?
Enter your postcode to find out: www.nebriefing.org
@nebriefing.bsky.social
#NEB2025 #NationalEmergencyBriefing
Enter your postcode to find out: www.nebriefing.org
@nebriefing.bsky.social
#NEB2025 #NationalEmergencyBriefing
Reposted by Dr. Aaron Thierry
In case you're wondering how cozy AI giant Nvidia, and its CEO Jensen Huang, are getting to the Trump administration, Huang's now showering praise on Energy Secretary Chris Wright, a climate denying fracking executive.....
My reporting for @desmog.com ⤵️
www.desmog.com/2025/11/12/n...
My reporting for @desmog.com ⤵️
www.desmog.com/2025/11/12/n...
Nvidia CEO Praises Trump Energy Chief — a Climate Denier — and his 'Passion' for Science
Jensen Huang gives "a shout-out for Secretary Chris Wright" as Nvidia and Trump administration partner on a massive AI buildout.
www.desmog.com
November 12, 2025 at 4:28 PM
In case you're wondering how cozy AI giant Nvidia, and its CEO Jensen Huang, are getting to the Trump administration, Huang's now showering praise on Energy Secretary Chris Wright, a climate denying fracking executive.....
My reporting for @desmog.com ⤵️
www.desmog.com/2025/11/12/n...
My reporting for @desmog.com ⤵️
www.desmog.com/2025/11/12/n...
Reposted by Dr. Aaron Thierry
‼️EXTRAORDINARY DAY: 30 DEGREES IN FRANCE
One of the most insane events Europe has ever lived
29.8 Trois Villes HOTTEST NOVEMBER DAY IN FRENCH HISTORY
29.3 Oloron
29.2 Lanne en Baretous
20 stations >27C !
SPAIN 29.4 Granada
Next days
THOUSANDS OF RECORDS allover Europe except Central Mediterranean
One of the most insane events Europe has ever lived
29.8 Trois Villes HOTTEST NOVEMBER DAY IN FRENCH HISTORY
29.3 Oloron
29.2 Lanne en Baretous
20 stations >27C !
SPAIN 29.4 Granada
Next days
THOUSANDS OF RECORDS allover Europe except Central Mediterranean
November 12, 2025 at 3:19 PM
‼️EXTRAORDINARY DAY: 30 DEGREES IN FRANCE
One of the most insane events Europe has ever lived
29.8 Trois Villes HOTTEST NOVEMBER DAY IN FRENCH HISTORY
29.3 Oloron
29.2 Lanne en Baretous
20 stations >27C !
SPAIN 29.4 Granada
Next days
THOUSANDS OF RECORDS allover Europe except Central Mediterranean
One of the most insane events Europe has ever lived
29.8 Trois Villes HOTTEST NOVEMBER DAY IN FRENCH HISTORY
29.3 Oloron
29.2 Lanne en Baretous
20 stations >27C !
SPAIN 29.4 Granada
Next days
THOUSANDS OF RECORDS allover Europe except Central Mediterranean
Reposted by Dr. Aaron Thierry
What next? Trump forces sea levels to stop rising? Trump commands entropy to stop increasing?
The Trump admin seems set to force two Colorado coal plants to stay open past their planned closure this year, even as the costs of keeping an aging, unnecessary Michigan coal plant running through the summer top $80M. Are more must-run orders coming?
www.canarymedia.com/articles/fos...
#energysky
www.canarymedia.com/articles/fos...
#energysky
Trump’s DOE may soon force more coal plants to stay open
Colorado coal plants are likely to face DOE orders to keep running past planned closure dates, even as the costs of keeping an old Michigan plant open…
www.canarymedia.com
November 12, 2025 at 3:17 PM
What next? Trump forces sea levels to stop rising? Trump commands entropy to stop increasing?
Reposted by Dr. Aaron Thierry
"The fossil fuel industry & its state sponsors have argued for decades that human development requires fossil fuels. But we know that under the guise of economic growth, they have instead served greed and profits..." said @amnesty.org's Agnès Callamard
www.theguardian.com/environment/...
www.theguardian.com/environment/...
Fossil fuel projects around the world threaten the health of 2bn people
Exclusive: ‘Deep-rooted injustices’ affect billions of people due to location of wells, pipelines and other infrastructure
www.theguardian.com
November 12, 2025 at 2:16 PM
"The fossil fuel industry & its state sponsors have argued for decades that human development requires fossil fuels. But we know that under the guise of economic growth, they have instead served greed and profits..." said @amnesty.org's Agnès Callamard
www.theguardian.com/environment/...
www.theguardian.com/environment/...
Reposted by Dr. Aaron Thierry
That's quite a contrast of headlines in the news on the same report
It arises because of the way that the International Energy Agency is choosing to report its scenarios
🧵🧵 1/3
www.ft.com/content/8696...
www.theguardian.com/environment/...
It arises because of the way that the International Energy Agency is choosing to report its scenarios
🧵🧵 1/3
www.ft.com/content/8696...
www.theguardian.com/environment/...
November 12, 2025 at 7:08 AM
That's quite a contrast of headlines in the news on the same report
It arises because of the way that the International Energy Agency is choosing to report its scenarios
🧵🧵 1/3
www.ft.com/content/8696...
www.theguardian.com/environment/...
It arises because of the way that the International Energy Agency is choosing to report its scenarios
🧵🧵 1/3
www.ft.com/content/8696...
www.theguardian.com/environment/...
Reposted by Dr. Aaron Thierry
Social media footage and satellite imagery show killings as Rapid Support Forces took over Al Fashir (El Fasher). Bellingcat geolocated one incident on the city’s outskirts and showed it to the UN Special Rapporteur on extrajudicial, summary or arbitrary executions www.bellingcat.com/news/2025/11...
Geolocating Darfur Killings of Those Escaping Al Fashir - bellingcat
Warning: Contains written descriptions of extreme violence including murder. All graphic footage has been omitted. A Bellingcat investigation has identified and verified the exact location of a mass k...
www.bellingcat.com
November 5, 2025 at 3:25 PM
Social media footage and satellite imagery show killings as Rapid Support Forces took over Al Fashir (El Fasher). Bellingcat geolocated one incident on the city’s outskirts and showed it to the UN Special Rapporteur on extrajudicial, summary or arbitrary executions www.bellingcat.com/news/2025/11...
Reposted by Dr. Aaron Thierry
Demand for air con set to triple by 2050, warns UN, calling for more sustainable cooling solutions
u.afp.com/SnNM
u.afp.com/SnNM
November 12, 2025 at 3:25 AM
Demand for air con set to triple by 2050, warns UN, calling for more sustainable cooling solutions
u.afp.com/SnNM
u.afp.com/SnNM
Reposted by Dr. Aaron Thierry
Reposted by Dr. Aaron Thierry
81 years ago, FDR proposed a second Bill of Rights to guarantee every American the right to employment, healthcare, education, housing, and a living income. His words are as relevant now as they were then. Watch.
November 12, 2025 at 2:31 AM
81 years ago, FDR proposed a second Bill of Rights to guarantee every American the right to employment, healthcare, education, housing, and a living income. His words are as relevant now as they were then. Watch.
Reposted by Dr. Aaron Thierry
A really interesting project from France. Expose their elected representatives to 50C so that they understand what climate change and heatwaves mean. Perhaps it will make them see or feel sense. Should definitely be repeated in the UK and elsewhere, fr.ulule.com/nos-elus-dan...
Nos élus dans le climat du futur !🌡️
30 minutes à 50°C : le choc immersif qui déclenche les moteurs du changement
fr.ulule.com
November 11, 2025 at 2:49 PM
A really interesting project from France. Expose their elected representatives to 50C so that they understand what climate change and heatwaves mean. Perhaps it will make them see or feel sense. Should definitely be repeated in the UK and elsewhere, fr.ulule.com/nos-elus-dan...
Reposted by Dr. Aaron Thierry
scoop: one of the largest renewable energy projects in the u.s. is quietly getting killed
say goodbye to leading light, the latest casualty of trump’s war on offshore wind
(also means there is essentially no more offshore wind in progress at all for new jersey)
say goodbye to leading light, the latest casualty of trump’s war on offshore wind
(also means there is essentially no more offshore wind in progress at all for new jersey)
Scoop: Giant Wind Farm Off New Jersey Coast Is Getting Killed
Leading Light can’t move forward, a legal counsel wrote to state regulators.
heatmap.news
November 11, 2025 at 9:57 PM
scoop: one of the largest renewable energy projects in the u.s. is quietly getting killed
say goodbye to leading light, the latest casualty of trump’s war on offshore wind
(also means there is essentially no more offshore wind in progress at all for new jersey)
say goodbye to leading light, the latest casualty of trump’s war on offshore wind
(also means there is essentially no more offshore wind in progress at all for new jersey)
Reposted by Dr. Aaron Thierry
CRI Legal Director @llakhdhir.bsky.social reflects on our work at the intersection of #ClimateChange and #HumanRights, and how the world is increasingly recognizing that the climate crisis is a human rights crisis. Read on CRI's Substack! ⤵️
climaterightsinternational.substack.com/p/the-law-is...
climaterightsinternational.substack.com/p/the-law-is...
The Law is Catching Up: The Climate Crisis is Also a Human Rights Crisis
By Linda Lakhdhir
climaterightsinternational.substack.com
November 12, 2025 at 2:04 AM
CRI Legal Director @llakhdhir.bsky.social reflects on our work at the intersection of #ClimateChange and #HumanRights, and how the world is increasingly recognizing that the climate crisis is a human rights crisis. Read on CRI's Substack! ⤵️
climaterightsinternational.substack.com/p/the-law-is...
climaterightsinternational.substack.com/p/the-law-is...
"what extreme flooding would look like in #Vancouver by 2100 if no action were
#ClimateEmergency
Source:
earth.org/data_visuali...
#ClimateEmergency
Source:
earth.org/data_visuali...
November 12, 2025 at 1:55 AM
"what extreme flooding would look like in #Vancouver by 2100 if no action were
#ClimateEmergency
Source:
earth.org/data_visuali...
#ClimateEmergency
Source:
earth.org/data_visuali...
Reposted by Dr. Aaron Thierry
The climate crisis is one of the top most severe threats to human existence, alongside nuclear war and a massive asteroid.
It blows my mind how many leaders choose to just whistle past the grave. This isn’t some event on some obscure future date—it’s already happening.
It blows my mind how many leaders choose to just whistle past the grave. This isn’t some event on some obscure future date—it’s already happening.
NEW: Councillors and sources inside the City of Vancouver say the city's mayor, Ken Sim, will put forth a budget Wednesday that will eliminate the city's celebrated climate and sustainability department.
Vancouver mayor plans to eliminate city's climate and sustainability department
Vancouver Mayor Ken Sim is planning to eliminate the city's sustainability and climate department under the guise of a push to prevent increases to property taxes. Canada's National Observer learned a...
www.nationalobserver.com
November 11, 2025 at 1:56 AM
The climate crisis is one of the top most severe threats to human existence, alongside nuclear war and a massive asteroid.
It blows my mind how many leaders choose to just whistle past the grave. This isn’t some event on some obscure future date—it’s already happening.
It blows my mind how many leaders choose to just whistle past the grave. This isn’t some event on some obscure future date—it’s already happening.
"Human-induced warming has been increasing at a rate that is unprecedented in the instrumental record, reaching 0.27 [0.2–0.4] °C per decade over 2015–2024."
#ClimateEmergency
#ClimateEmergency
Indicators of Global Climate Change 2024: annual update of key indicators of the state of the climate system and human influence
Abstract. In a rapidly changing climate, evidence-based decision-making benefits from up-to-date and timely information. Here we compile monitoring datasets (published at https://doi.org/10.5281/zenod...
essd.copernicus.org
November 12, 2025 at 1:43 AM
"Human-induced warming has been increasing at a rate that is unprecedented in the instrumental record, reaching 0.27 [0.2–0.4] °C per decade over 2015–2024."
#ClimateEmergency
#ClimateEmergency
Reposted by Dr. Aaron Thierry
Just out: new New Jersey state sea-level rise assessment
Under current global emissions trends, New Jersey is likely to experience 1.5-2.5 ft of sea-level rise between 2005 and 2070, 2.2-3.8 ft by 2100 (or 2.2-4.5 ft, considering potential ice-sheet collapse).
Under current global emissions trends, New Jersey is likely to experience 1.5-2.5 ft of sea-level rise between 2005 and 2070, 2.2-3.8 ft by 2100 (or 2.2-4.5 ft, considering potential ice-sheet collapse).
NJ Sea Level Rise Reports – New Jersey Climate Change Resource Center
njclimateresourcecenter.rutgers.edu
November 11, 2025 at 6:49 PM
Just out: new New Jersey state sea-level rise assessment
Under current global emissions trends, New Jersey is likely to experience 1.5-2.5 ft of sea-level rise between 2005 and 2070, 2.2-3.8 ft by 2100 (or 2.2-4.5 ft, considering potential ice-sheet collapse).
Under current global emissions trends, New Jersey is likely to experience 1.5-2.5 ft of sea-level rise between 2005 and 2070, 2.2-3.8 ft by 2100 (or 2.2-4.5 ft, considering potential ice-sheet collapse).
Reposted by Dr. Aaron Thierry
It might be true that the world needs to remove ten billion tonnes of CO₂ from the atmosphere every year but it’s never going to happen for many different reasons: technical, financial, social, environmental, governance, etc. If we don’t reduce CO₂ emissions, we’re screwed. That’s it.
Removing CO2 from atmosphere vital to avoid catastrophic tipping points, leading scientist says
10bn tonnes must be captured from the air every year to limit global heating to 1.7C, says Johan Rockström
www.theguardian.com
November 11, 2025 at 11:51 PM
It might be true that the world needs to remove ten billion tonnes of CO₂ from the atmosphere every year but it’s never going to happen for many different reasons: technical, financial, social, environmental, governance, etc. If we don’t reduce CO₂ emissions, we’re screwed. That’s it.