Estelle Dehon KC
@estelledehon.bsky.social
Public law barrister at Cornerstone Barristers. Vegan. Lover of Jazz. Born at 331.92 ppm. Views my own.
Want some handy COP30 resources? We list our favourites in our explainer. Shout out to @carbonbrief.org!
Also, you can still sign up for the main law side-event: Climate Law and Governance Day, this Friday.
Also, you can still sign up for the main law side-event: Climate Law and Governance Day, this Friday.
🌎 COP30 opens in Belém, Brazil, with fast-paced progress on delivery:
– Loss & Damage fund operational
– Adaptation support advancing
– New Green Digital Action Hub + AI Climate Institute launched
Read our COP30 explainer here: cornerstonebarristers.com/cop30-and-cl...
– Loss & Damage fund operational
– Adaptation support advancing
– New Green Digital Action Hub + AI Climate Institute launched
Read our COP30 explainer here: cornerstonebarristers.com/cop30-and-cl...
COP30 and Climate Law and Governance Day | Cornerstone Barristers
COP30* opened in Belém, Brazil, at the mouth of the Amazon River, yesterday (10 November) with the agenda adopted at the first sitting and an […]
cornerstonebarristers.com
November 12, 2025 at 10:34 AM
Want some handy COP30 resources? We list our favourites in our explainer. Shout out to @carbonbrief.org!
Also, you can still sign up for the main law side-event: Climate Law and Governance Day, this Friday.
Also, you can still sign up for the main law side-event: Climate Law and Governance Day, this Friday.
My favourite Farming Today episode this week spent the whole fascinating 14 mins in the most biodiverse place on earth 🥰
www.bbc.co.uk/sounds/play/...
www.bbc.co.uk/sounds/play/...
Farming Today - 06/11/25 Millennium Seed Bank - how wild seeds can help agriculture and landscape restoration. - BBC Sounds
Behind the scenes with plant experts as Kew's Millennium Seed Bank marks 25 years.
www.bbc.co.uk
November 9, 2025 at 8:47 AM
My favourite Farming Today episode this week spent the whole fascinating 14 mins in the most biodiverse place on earth 🥰
www.bbc.co.uk/sounds/play/...
www.bbc.co.uk/sounds/play/...
Reposted by Estelle Dehon KC
📢 40+ NGOs have written to the PM urging him to uphold the Aarhus Convention – the cornerstone of environmental justice
The Convention protects your right to:
✅ Access environmental information
✅ Have a say in decisions that affect nature
✅ Seek environmental justice affordably
The Convention protects your right to:
✅ Access environmental information
✅ Have a say in decisions that affect nature
✅ Seek environmental justice affordably
November 4, 2025 at 10:17 AM
📢 40+ NGOs have written to the PM urging him to uphold the Aarhus Convention – the cornerstone of environmental justice
The Convention protects your right to:
✅ Access environmental information
✅ Have a say in decisions that affect nature
✅ Seek environmental justice affordably
The Convention protects your right to:
✅ Access environmental information
✅ Have a say in decisions that affect nature
✅ Seek environmental justice affordably
Reposted by Estelle Dehon KC
Today the Supreme Court issued its judgment in C.G. Fry & Son v SoS LUHC & Somerset Council on the reach of the Habitats Regulations and Ramsar protection, which arose in the context of Natural England’s nutrient neutrality advice.
October 22, 2025 at 11:17 AM
Today the Supreme Court issued its judgment in C.G. Fry & Son v SoS LUHC & Somerset Council on the reach of the Habitats Regulations and Ramsar protection, which arose in the context of Natural England’s nutrient neutrality advice.
Reposted by Estelle Dehon KC
NEW – Factcheck: What the Climate Change Act does – and does not – mean for the UK | @drsimevans.carbonbrief.org @joshgabbatiss.bsky.social @daisydunne.carbonbrief.org @mollylempriere.carbonbrief.org
Read here: buff.ly/c1tdbmJ
Read here: buff.ly/c1tdbmJ
October 7, 2025 at 1:57 PM
NEW – Factcheck: What the Climate Change Act does – and does not – mean for the UK | @drsimevans.carbonbrief.org @joshgabbatiss.bsky.social @daisydunne.carbonbrief.org @mollylempriere.carbonbrief.org
Read here: buff.ly/c1tdbmJ
Read here: buff.ly/c1tdbmJ
Absolutely delighted for @cornerstonebarristers.com Ruchi Parekh! So well deserved 🤩🤩
September 25, 2025 at 3:22 PM
Absolutely delighted for @cornerstonebarristers.com Ruchi Parekh! So well deserved 🤩🤩
Reposted by Estelle Dehon KC
A new Banksy mural has appeared on the wall of the Royal Courts of Justice building in central London.
It depicts a judge in a traditional wig and black robe hitting a protester lying on the ground, with the protester’s blood splattering onto a poster.
#UK #London #Banksy #Court
It depicts a judge in a traditional wig and black robe hitting a protester lying on the ground, with the protester’s blood splattering onto a poster.
#UK #London #Banksy #Court
September 8, 2025 at 11:52 AM
Important CA judgment. Full analysis on the website; key points:
💡The 2023 WMS is not a legal barrier to LPAs setting higher energy efficiency stds & can be departed from where justified
🏵️ Late EPPS review doesn’t cure an earlier breach, but in narrow circs may avoid quashing
tinyurl.com/z7h7hb57
💡The 2023 WMS is not a legal barrier to LPAs setting higher energy efficiency stds & can be departed from where justified
🏵️ Late EPPS review doesn’t cure an earlier breach, but in narrow circs may avoid quashing
tinyurl.com/z7h7hb57
Court of Appeal Gives Judgment on Local Energy Efficiency Standards and a Key Environment Act Duty | Cornerstone Barristers
The Court of Appeal has today (25 July 2025) handed down judgment in R (Rights: Community: Action Ltd) v Secretary of State for Housing, Communities […]
cornerstonebarristers.com
July 28, 2025 at 10:56 AM
Important CA judgment. Full analysis on the website; key points:
💡The 2023 WMS is not a legal barrier to LPAs setting higher energy efficiency stds & can be departed from where justified
🏵️ Late EPPS review doesn’t cure an earlier breach, but in narrow circs may avoid quashing
tinyurl.com/z7h7hb57
💡The 2023 WMS is not a legal barrier to LPAs setting higher energy efficiency stds & can be departed from where justified
🏵️ Late EPPS review doesn’t cure an earlier breach, but in narrow circs may avoid quashing
tinyurl.com/z7h7hb57
I could not be more excited for this! Powerhouse of public law thinking, Prof Liz Fisher, is giving the keynote at this year's @cornerstonebarristers.com Public Law day!! Full programme and tickets here: cornerstonebarristers.com/event/public...
📢 Keynote speaker announced for #PublicLaw in 2025: One Day Symposium
We're pleased to reveal that Liz Fisher, Professor of Environmental Law, @ox.ac.uk, will be delivering this year’s keynote on the craft of administrative law.
Book here : cornerstonebarristers.com/event/public...
We're pleased to reveal that Liz Fisher, Professor of Environmental Law, @ox.ac.uk, will be delivering this year’s keynote on the craft of administrative law.
Book here : cornerstonebarristers.com/event/public...
July 28, 2025 at 10:43 AM
I could not be more excited for this! Powerhouse of public law thinking, Prof Liz Fisher, is giving the keynote at this year's @cornerstonebarristers.com Public Law day!! Full programme and tickets here: cornerstonebarristers.com/event/public...
🤩🤗🤗😁
We are delighted to announce the appointment of James Findlay KC and Robin Green as Joint Heads of Chambers.
This new leadership marks the beginning of an exciting chapter following the end of Philip Coppel KC & Tom Cosgrove KC’s successful second term.
➡️ cornerstonebarristers.com/cornerstone-...
This new leadership marks the beginning of an exciting chapter following the end of Philip Coppel KC & Tom Cosgrove KC’s successful second term.
➡️ cornerstonebarristers.com/cornerstone-...
July 23, 2025 at 9:08 AM
🤩🤗🤗😁
Really looking forward to Thursday's panel discussion with Clare Rothwell-Hemsted from Uplift and Sophie Marjanac from the Polluter Pays Project, chaired by UCL's Fergus Green. Still time to sign up!
cornerstonebarristers.com/event/the-le...
cornerstonebarristers.com/event/the-le...
The Legal Climate for UK Oil and Gas | Cornerstone Barristers
The UK Government is developing a new vision for the North Sea region, to be accompanied by major regulatory reforms and public investments. The Government’s aims include […]
cornerstonebarristers.com
July 22, 2025 at 10:33 AM
Really looking forward to Thursday's panel discussion with Clare Rothwell-Hemsted from Uplift and Sophie Marjanac from the Polluter Pays Project, chaired by UCL's Fergus Green. Still time to sign up!
cornerstonebarristers.com/event/the-le...
cornerstonebarristers.com/event/the-le...
Reposted by Estelle Dehon KC
🔴 NEW - Exposing Reform’s Oil Ties Significantly Reduces Party Support, New Research Finds
Voters recoil at Farage’s fossil fuel funding.
📝 @writesbright.bsky.social
Voters recoil at Farage’s fossil fuel funding.
📝 @writesbright.bsky.social
Exposing Reform’s Oil Ties Significantly Reduces Party Support, New Research Finds
Reform UK’s oil industry interests are a major turn-off for voters, new research reveals. The think tank Persuasion UK tested five anti-Reform messages on 6,000 adults. According to the research, “by ...
www.desmog.com
July 15, 2025 at 12:12 PM
🔴 NEW - Exposing Reform’s Oil Ties Significantly Reduces Party Support, New Research Finds
Voters recoil at Farage’s fossil fuel funding.
📝 @writesbright.bsky.social
Voters recoil at Farage’s fossil fuel funding.
📝 @writesbright.bsky.social
Interested in youth-led climate litigation & just transition? Then Cornerstone Climate's session tomorrow is for you! Hear from the lawyers involved in #CancelCoal, South Africa's first youth-led climate case.
📆 17 July
🕣 12-1:15pm (UK); 1-2:15pm (SA)
Sign up: us02web.zoom.us/webinar/regi...
📆 17 July
🕣 12-1:15pm (UK); 1-2:15pm (SA)
Sign up: us02web.zoom.us/webinar/regi...
July 16, 2025 at 3:21 PM
Interested in youth-led climate litigation & just transition? Then Cornerstone Climate's session tomorrow is for you! Hear from the lawyers involved in #CancelCoal, South Africa's first youth-led climate case.
📆 17 July
🕣 12-1:15pm (UK); 1-2:15pm (SA)
Sign up: us02web.zoom.us/webinar/regi...
📆 17 July
🕣 12-1:15pm (UK); 1-2:15pm (SA)
Sign up: us02web.zoom.us/webinar/regi...
It was a pleasure to speak at the ALBA Summer Conference this weekend, on the most topical of issues: climate change & human rights. Good to get into the detail of KlimaSeniorinnen, including the GC's careful analysis of the separation of powers & the rule of law. Thanks @adminlaw.bsky.social!
July 14, 2025 at 3:33 PM
It was a pleasure to speak at the ALBA Summer Conference this weekend, on the most topical of issues: climate change & human rights. Good to get into the detail of KlimaSeniorinnen, including the GC's careful analysis of the separation of powers & the rule of law. Thanks @adminlaw.bsky.social!
Interested in the link between human health & climate litigation? Join us this Thurs to hear from the lawyers in the landmark "Deadly Air" case, linking 1000s of deaths p/a caused by coal-related air pollution to Govt's duty rapidly to move away from coal dependency
us02web.zoom.us/webinar/regi...
us02web.zoom.us/webinar/regi...
July 14, 2025 at 9:53 AM
Interested in the link between human health & climate litigation? Join us this Thurs to hear from the lawyers in the landmark "Deadly Air" case, linking 1000s of deaths p/a caused by coal-related air pollution to Govt's duty rapidly to move away from coal dependency
us02web.zoom.us/webinar/regi...
us02web.zoom.us/webinar/regi...
Less than a week to go to the next #ClimateLitigation event! Hosted by Cornerstone Climate & Mishcon Purpose, spotlighting lessons from South Africa’s fight for #ClimateJustice
🌍Register here: us02web.zoom.us/webinar/regi...
#JustTransition #Greenwashing #EnvironmentalRights #SouthAfrica
🌍Register here: us02web.zoom.us/webinar/regi...
#JustTransition #Greenwashing #EnvironmentalRights #SouthAfrica
Welcome! You are invited to join a webinar: Climate Litigation Lessons from Around the Globe: South Africa . After registering, you will receive a confirmation email about joining the webinar.
Cornerstone Climate and Mishcon Purpose present the fourth in our flagship Climate Litigation Lessons from Around the Globe series, which will focus on South Africa. Our speakers are Lazola Kati, Foss...
us02web.zoom.us
July 11, 2025 at 9:26 AM
Less than a week to go to the next #ClimateLitigation event! Hosted by Cornerstone Climate & Mishcon Purpose, spotlighting lessons from South Africa’s fight for #ClimateJustice
🌍Register here: us02web.zoom.us/webinar/regi...
#JustTransition #Greenwashing #EnvironmentalRights #SouthAfrica
🌍Register here: us02web.zoom.us/webinar/regi...
#JustTransition #Greenwashing #EnvironmentalRights #SouthAfrica
Reposted by Estelle Dehon KC
We're delighted to reveal the programme for our upcoming #PublicLaw2025 conference. From standing, rationality-based decisions to interim relief and equality act challenges, + much more, we've got it covered.
View the prog and get your tickets here: cornerstonebarristers.com/event/public...
View the prog and get your tickets here: cornerstonebarristers.com/event/public...
July 9, 2025 at 10:29 AM
We're delighted to reveal the programme for our upcoming #PublicLaw2025 conference. From standing, rationality-based decisions to interim relief and equality act challenges, + much more, we've got it covered.
View the prog and get your tickets here: cornerstonebarristers.com/event/public...
View the prog and get your tickets here: cornerstonebarristers.com/event/public...
The CCC's 2025 Progress Report to Parliament is out! I look forward to reading in full; for great early coverage I recommend:
🐄Farming Today (yesterday!) drawing attention to needed land use changes & little progress on reducing emissions from agriculture (from 09:33)
www.bbc.co.uk/programmes/m...
🐄Farming Today (yesterday!) drawing attention to needed land use changes & little progress on reducing emissions from agriculture (from 09:33)
www.bbc.co.uk/programmes/m...
June 26, 2025 at 3:53 PM
The CCC's 2025 Progress Report to Parliament is out! I look forward to reading in full; for great early coverage I recommend:
🐄Farming Today (yesterday!) drawing attention to needed land use changes & little progress on reducing emissions from agriculture (from 09:33)
www.bbc.co.uk/programmes/m...
🐄Farming Today (yesterday!) drawing attention to needed land use changes & little progress on reducing emissions from agriculture (from 09:33)
www.bbc.co.uk/programmes/m...
Reposted by Estelle Dehon KC
NEW | Just 3% of population cause quarter of aviation emissions.
Our new report with @neweconomics.bsky.social calls for tax reform so ultra-frequent flyers taking six or more flights a year pay for their pollution.
Read more 👉 www.wearepossible.org/our-reports/...
Our new report with @neweconomics.bsky.social calls for tax reform so ultra-frequent flyers taking six or more flights a year pay for their pollution.
Read more 👉 www.wearepossible.org/our-reports/...
June 18, 2025 at 9:50 AM
NEW | Just 3% of population cause quarter of aviation emissions.
Our new report with @neweconomics.bsky.social calls for tax reform so ultra-frequent flyers taking six or more flights a year pay for their pollution.
Read more 👉 www.wearepossible.org/our-reports/...
Our new report with @neweconomics.bsky.social calls for tax reform so ultra-frequent flyers taking six or more flights a year pay for their pollution.
Read more 👉 www.wearepossible.org/our-reports/...
A very happy occasion! Thank you to The Lawyer - wonderful to read the citation is for "Displaying a clear commitment to environmental and climate work" & for "victories both within and outside her professional role." Such an endorsement of climate and nature conscious lawyering makes my heart sing!
We’re thrilled to celebrate @estelledehon.bsky.social being named Barrister of the Year at The Lawyer Awards 2025!
Read more: cornerstonebarristers.com/estelle-deho...
Read more: cornerstonebarristers.com/estelle-deho...
June 18, 2025 at 2:12 PM
A very happy occasion! Thank you to The Lawyer - wonderful to read the citation is for "Displaying a clear commitment to environmental and climate work" & for "victories both within and outside her professional role." Such an endorsement of climate and nature conscious lawyering makes my heart sing!
Is Coolglass perhaps the funkiest name for a climate case? This, and other important questions, will be answered at the next Cornerstone Climate & Mishcon Purpose Global Climate Litigation session, this Thursday, featuring superstars of Irish climate litigation. Hope you can join us!
June 2, 2025 at 9:00 AM
Is Coolglass perhaps the funkiest name for a climate case? This, and other important questions, will be answered at the next Cornerstone Climate & Mishcon Purpose Global Climate Litigation session, this Thursday, featuring superstars of Irish climate litigation. Hope you can join us!
Reposted by Estelle Dehon KC
Historic ruling delivered by the EFTA court this morning with its Judgment in Case E-18/24, on greenhouse gas emissions and environmental impacts @estelledehon.bsky.social @jmpsimor.bsky.social eftacourt.int/events-upcom...
eftacourt.int
May 21, 2025 at 9:14 AM
Historic ruling delivered by the EFTA court this morning with its Judgment in Case E-18/24, on greenhouse gas emissions and environmental impacts @estelledehon.bsky.social @jmpsimor.bsky.social eftacourt.int/events-upcom...
It was quite an experience representing Fish Legal, and relying on the famous CJEU and UT decisions in.... Fish Legal! #infolawlifegoals
My write-up of the issues before the Tribunal: "Fishy Nuclear Information and a Question of Principle"
My write-up of the issues before the Tribunal: "Fishy Nuclear Information and a Question of Principle"
Who gets to know what? The Info Tribunal is examining if Hinkley Point C's operator should be treated as a public authority under #EIR.
At stake: fish, facts & public accountability in nuclear planning ⚖️
cornerstonebarristers.com/fishy-nuclea...
#EnvironmentalLaw #NuclearEnergy
At stake: fish, facts & public accountability in nuclear planning ⚖️
cornerstonebarristers.com/fishy-nuclea...
#EnvironmentalLaw #NuclearEnergy
Fishy Nuclear Information and a Question of Principle | Cornerstone Barristers
The Information Tribunal is today considering an interesting question: is an entity which is responsible for the construction and operation of a nuclear power station, […]
cornerstonebarristers.com
May 20, 2025 at 10:23 AM
It was quite an experience representing Fish Legal, and relying on the famous CJEU and UT decisions in.... Fish Legal! #infolawlifegoals
My write-up of the issues before the Tribunal: "Fishy Nuclear Information and a Question of Principle"
My write-up of the issues before the Tribunal: "Fishy Nuclear Information and a Question of Principle"
Delighted to be on a sunny train about to pull into Leeds, for a few days of excellent discussion about all things planning, renewables and infrastructure. Hope to see you there!
May 20, 2025 at 9:15 AM
Delighted to be on a sunny train about to pull into Leeds, for a few days of excellent discussion about all things planning, renewables and infrastructure. Hope to see you there!
Crucial, careful & obviously correct - the OEP’s advice that the Planning & Infrastructure Bill is a regression as it would have the effect of reducing the level of protection provided for by existing enviro law. www.theoep.org.uk/report/oep-g...
OEP gives advice to Government on the Planning and Infrastructure Bill | Office for Environmental Protection
www.theoep.org.uk
May 2, 2025 at 2:37 PM
Crucial, careful & obviously correct - the OEP’s advice that the Planning & Infrastructure Bill is a regression as it would have the effect of reducing the level of protection provided for by existing enviro law. www.theoep.org.uk/report/oep-g...