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🌍⚖️ Sébastien Duyck

@duycks.bsky.social
6.2K followers 8.6K following 1.1K posts

Senior Attorney - #ClimateJustice & right to healthy environment at the Center for International Environmental Law @ciel.org‬ | demystifying international law, one emoji at a time | Focused on #ClimateJusticeAtTheICJ | Dad * Opinions my own

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Reposted by 🌍⚖️ Sébastien Duyck
GENeva Environment Network @genevaenvironmentnetwork.org · 22/06/2026
Moderating the event, @duycks.bsky.social of @ciel.org underscores the importance of discussing intergenerational rights against the backdrop of many intergovernmental negotiations, and of advancing the right of #FutureGenerations in different spaces.
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Reposted by 🌍⚖️ Sébastien Duyck
Common Dreams @commondreams.org · 18/06/2026
"A climate process that remains vulnerable to obstruction and corporate influence cannot deliver the action this crisis demands," said @ciel.org.
commondreams.org
Bonn Conference Confirms Climate Action Impossible Unless Corporate Capture of UN Process Ends
"A climate process that remains vulnerable to obstruction and corporate influence cannot deliver the action this crisis demands," said one group.
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Reposted by 🌍⚖️ Sébastien Duyck
Center for International Environmental Law @ciel.org · 22/05/2026
The #MilieudefensieVShell hearings just wrapped up in The Hague 🇳🇱. At the heart of the case brought by Milieudefensie and partner NGOs is a fundamental legal question: ❓Can a fossil fuel company be legally required to align its business model with climate science and human rights obligations❓ A 🧵
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🌍⚖️ Sébastien Duyck @duycks.bsky.social · 22/05/2026
⚖️ 🌍 ⚡ 𝐅𝐨𝐥𝐥𝐨𝐰 𝐰𝐢𝐭𝐡 𝐮𝐬 𝐢𝐧 𝐫𝐞𝐚𝐥 𝐭𝐢𝐦𝐞 𝐟𝐫𝐨𝐦 🇳🇱 𝐓𝐡𝐞 𝐇𝐚𝐠𝐮𝐞: 𝐭𝐨𝐝𝐚𝐲, 𝐭𝐡𝐞 𝐃𝐮𝐭𝐜𝐡 𝐒𝐮𝐩𝐫𝐞𝐦𝐞 𝐂𝐨𝐮𝐫𝐭 𝐡𝐞𝐚𝐫𝐬 𝐨𝐧𝐞 𝐨𝐟 𝐭𝐡𝐞 𝐦𝐨𝐬𝐭 𝐜𝐨𝐧𝐬𝐞𝐪𝐮𝐞𝐧𝐭𝐢𝐚𝐥 𝐜𝐥𝐢𝐦𝐚𝐭𝐞 𝐜𝐚𝐬𝐞𝐬 𝐢𝐧 𝐭𝐡𝐞 𝐰𝐨𝐫𝐥𝐝, @milieudefensie.bsky.social et al. v. Shell. #ClimateJustice #ClimateCaseShell 🧵 ⬇️ analysis in thread below
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🌍⚖️ Sébastien Duyck @duycks.bsky.social · 22/05/2026
⏰ 👨‍⚖️ 🌐 Starting in 2 hrs: #ClimateJustice hearings at 🇳🇱 Dutch Supreme Court in case v. Shell: for the 1st time a country's highest Court will review whether a fossil fuel company can be required to cut emissions in line with science. 👀 📝 Follow here in real time with context & elements of analysis...
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Reposted by 🌍⚖️ Sébastien Duyck
Climate, Migration & Displacement Platform @cmdplatform.bsky.social · 21/05/2026
Want an expert play-by-play of yesterday's #UNGA consideration of the resolution welcoming & operationalizing the #ICJAO, which culminated in a really strong vote for continued intl cooperation on climate action? This thread is for you👇Gratitude to #Vanuatu, #PISFCC, @wy4cj.bsky.social @ciel.org +++
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Reposted by 🌍⚖️ Sébastien Duyck
Center for International Environmental Law @ciel.org · 19/05/2026
🌍 This case reaches far beyond one company. It sits at the intersection of climate science, fossil fuel expansion, corporate power, #HumanRights, and growing pressure in Europe to weaken binding climate rules.
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Reposted by 🌍⚖️ Sébastien Duyck
Center for International Environmental Law @ciel.org · 19/05/2026
⚠️ The appeal court already confirmed a critical principle: major fossil fuel companies have a responsibility to reduce emissions because their business contributes to dangerous climate change and related #HumanRights harms.
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Reposted by 🌍⚖️ Sébastien Duyck
Center for International Environmental Law @ciel.org · 19/05/2026
🔥 The science is clear: #FossilFuels are the primary driver of the climate crisis, and true energy security cannot come from fossil fuels tied to instability and conflict. Yet Shell continues investing heavily in new projects.
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Reposted by 🌍⚖️ Sébastien Duyck
Center for International Environmental Law @ciel.org · 19/05/2026
🏛️ In this week’s @milieudefensie.bsky.social V. Shell hearings, the Supreme Court will examine the role courts can play in protecting people’s rights in the face of the climate crisis.
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Reposted by 🌍⚖️ Sébastien Duyck
Center for International Environmental Law @ciel.org · 19/05/2026
📚 This case is historic. For the first time, a country’s highest court is being asked whether a multinational oil company can be compelled to meet concrete, enforceable climate obligations grounded in science & #HumanRights.
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Center for International Environmental Law @ciel.org · 19/05/2026
⚖️ #ClimateLitigation update: This Friday, May 22, the Dutch Supreme Court in The Hague 🇳🇱 will confront a defining legal question: Can a major fossil fuel company be legally required to reduce emissions in line with climate science? Follow the 🧵 for more info on the #MilieudefensieVShell hearings👇
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Reposted by 🌍⚖️ Sébastien Duyck
Kate @katesheill.bsky.social · 20/05/2026
The vote on the UN climate justice resolution should get underway a little after 8pm UK time (3pm NY) and can be watched on UN Web TV (webtv.un.org/en) — or follow the thread by @duycks.bsky.social
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🌍⚖️ Sébastien Duyck @duycks.bsky.social · 20/05/2026
🔥 the 🇺🇳 UN General Assembly is about to be called upon to #VoteYesForClimateJustice as it considers an important resolution tabled by 🇻🇺 Vanuatu (and others) to welcome and build upon the historic #ClimateJustice ruling by the 🌐 ⚖️ International Court of Justice! 🧵⬇️ follow proceedings in thread below
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Reposted by 🌍⚖️ Sébastien Duyck
Center for International Environmental Law @ciel.org · 19/05/2026
🚨 A strong ruling could send a global signal: courts can require major polluters to change course. 🐦 Follow CIEL’s @duycks.bsky.social & @milieudefensie.bsky.social for live updates from The Hague. 👉 en.milieudefensie.nl/news/why-we2... 👈
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Reposted by 🌍⚖️ Sébastien Duyck
Right to a Healthy Environment at the CoE @healthyenvcoe.bsky.social · 14/04/2026
On 24–25 March, our Campaign joined the first meeting of the @coe.int Steering Committee on the Environment (CDENV) in Strasbourg (and online), feeding into the implementation of the Environment Strategy. 1/5
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Reposted by 🌍⚖️ Sébastien Duyck
Commissioner for Human Rights @commissionerhr.coe.int · 04/05/2026
As the #UNGA climate change resolution opens for co-sponsorship, I urge @coe.int states to step forward and turn words into action. Dependency on fossil fuels threatens global stability, our planet and lives. Current conflicts show the urgent need to accelerate a just, equitable transition. #UNGA👇
coe.int
Climate action and accountability for survival - Commissioner for Human Rights - www.coe.int
Strasbourg 9 March 2026
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Reposted by 🌍⚖️ Sébastien Duyck
Center for International Environmental Law @ciel.org · 03/03/2026
📣 The world's highest court has spoken: States have binding legal duties regarding the climate crisis. It's time to turn that clarity into #ClimateAction. 🤓 READ our NEW practitioner-led compendium to turn the ICJ's words into practical tools: www.ciel.org/reports/icj-litigation-notes-digest
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Reposted by 🌍⚖️ Sébastien Duyck
Center for International Environmental Law @ciel.org · 03/03/2026
A North Dakota judge ordered @greenpeace.org to pay $345 million in damages to the pipeline company Energy Transfer caused by protest actions in 2016/17. This is a textbook #SLAPP – a strategic lawsuit against public participation, designed to silence dissent through crushing legal costs. A 🧵
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🌍⚖️ Sébastien Duyck @duycks.bsky.social · 20/02/2026
⚡⚖️ Continuation (and end) of historic #climatelitigation hearing at Paris Judicial Court this afternoon in historic case against TotalEnergies. 👀 🧵 Follow in thread below for blow-by-blow reporting in English. 🧵 🇫🇷 See also here in French via @notreaffaireatous.bsky.social: bsky.app/profile/notr...
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🌍⚖️ Sébastien Duyck @duycks.bsky.social · 20/02/2026
⚡ ⚖️ 🌐 #𝐂𝐥𝐢𝐦𝐚𝐭𝐞𝐋𝐢𝐭𝐢𝐠𝐚𝐭𝐢𝐨𝐧 𝐮𝐩𝐝𝐚𝐭𝐞: hearings continue at 🧑‍⚖️ Paris Judicial Court in landmark case against 🛢️TotalEnergies 🔍 Focus today: expert hearings & civil liability 🧵 Live coverage in English below 👇 🇫🇷 See also live coverage in French via @notreaffaireatous.bsky.social
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🌍⚖️ Sébastien Duyck @duycks.bsky.social · 19/02/2026
⚖️ 🌐 🛢️ #ClimateLitigation update: court hearings continue at Paris Judicial Court in landmark case against TotalEnergies. The hearing continues, with focus on the review of Total's vigilance plan & of injunctions sought by NGOs & municipalities. 🧵 Live coverage in thread 👇
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Reposted by 🌍⚖️ Sébastien Duyck
Notre Affaire à Tous @notreaffaireatous.bsky.social · 19/02/2026
⚖️ L’audience dans le procès contre TotalEnergies pour manquement à ses obligations climatiques a commencé ! Le tribunal pourrait contraindre les entreprises les plus polluantes à répondre de leur impact sur le climat et à sortir des énergies fossiles. Suivez cette première journée en live 🧵
Crédit : Rémy El Sibaïe
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🌍⚖️ Sébastien Duyck @duycks.bsky.social · 19/02/2026
🔥 ⚖️ #𝐂𝐥𝐢𝐦𝐚𝐭𝐞𝐋𝐢𝐭𝐢𝐠𝐚𝐭𝐢𝐨𝐧 𝐀𝐥𝐞𝐫𝐭: 𝐎𝐧𝐠𝐨𝐢𝐧𝐠 𝐇𝐞𝐚𝐫𝐢𝐧𝐠 in historic case against TotalEnergies, today & tomorrow, 🇫🇷 🧑‍⚖️ French court holds landmark hearing that could redefine corporate climate accountability. 📝 🧵 Live reporting from Paris Judicial Court ⬇️
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🌍⚖️ Sébastien Duyck @duycks.bsky.social · 22/12/2025
⚡ ⚖️ 🌍 𝐈𝐦𝐩𝐨𝐫𝐭𝐚𝐧𝐭 #𝐂𝐥𝐢𝐦𝐚𝐭𝐞𝐋𝐢𝐭𝐢𝐠𝐚𝐭𝐢𝐨𝐧 𝐩𝐫𝐨𝐜𝐞𝐝𝐮𝐫𝐚𝐥 𝐰𝐢𝐧 in🇨🇭Swiss case vs. carbon major. Judges validated legal theories underpinning the case brought by 4 Indonesian islanders against Holcim and accepted all claims as admissible, clearing path to judgment on the merits. 🧵details in thread below 👇
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🌍⚖️ Sébastien Duyck @duycks.bsky.social · 28/10/2025
⚡️⚖️ 🌍 European Court of Human Rights rules that, as a matter of legal obligations, States must assess & consider cumulative emissions resulting combustion of fossil fuel (scope 3 emissions) when validating new extraction projects. 🔍 Stay tuned for further analysis. #ClimateLitigation
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Reposted by 🌍⚖️ Sébastien Duyck
GENeva Environment Network @genevaenvironmentnetwork.org · 30/09/2025
"Climate & environmental policies must not create new harms for vulnerable communities or be weaponized in the shift to a fossil-free world." @duycks.bsky.social of @ciel.org stresses the need to advance a #JustTransition while remaining anchored in #HumanRights obligations.
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Reposted by 🌍⚖️ Sébastien Duyck
Center for International Environmental Law @ciel.org · 03/10/2025
Next Friday in Budapest, CIEL’s @duycks.bsky.social and @barnabypace.bsky.social join journalists and scientists at #ClimateArena2025 - an inspiring working conference by @journalismarena.eu to strengthen climate reporting across Europe. 📍 Corvinus University, Budapest 🗓️ October 10
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Reposted by 🌍⚖️ Sébastien Duyck
Center for International Environmental Law @ciel.org · 22/09/2025
🌐 With #UNGA underway, States must uphold the international rule of law to prevent the continuation of genocide in Gaza. There can be no environmental justice while the universal nature of human rights faces such grave and flagrant violations. 🔗 Read our statement: bit.ly/3Iy1Bwi
bit.ly
UN General Assembly Opens with Ever Greater Urgency to Uphold the International Rule of Law - Center for International Environmental Law
At the 80th United Nations General Assembly, States must uphold the international rule of law and protect human rights.
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Reposted by 🌍⚖️ Sébastien Duyck
Center for International Environmental Law @ciel.org · 18/09/2025
Since the 2024 judgment, the Council of Europe has been overseeing Switzerland’s climate action. Today’s decision points to ongoing gaps and calls on Swiss authorities to report back on further progress in 2026.
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Reposted by 🌍⚖️ Sébastien Duyck
Center for International Environmental Law @ciel.org · 18/09/2025
⚖️ #ClimateLitigation update: Switzerland’s implementation of its legal obligations under the European Court of Human Rights @echr.coe.int ruling remains insufficient, confirms @coe.int Council of Ministers in its latest decision. 🧵👇
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Center for International Environmental Law @ciel.org · 10/09/2025
📢 Join us TODAY at #HRC60 for the side event: “States’ Duty to Regulate Corporations in the Face of the Triple Planetary Crisis” ⏰ 11:00–12:00 CEST 📍 Room VIII, Palais des Nations Or watch LIVE: bit.ly/46vL0Co With @ishr.ch, #FES, @fian-international.bsky.social, and #FranciscansInternational
bit.ly
States’ duty to regulate corporations in the face of triple planetary crisis | HRC60 Side Event
This side event to the 60th session of the Human Rights Council (HRC60), organized by the Center for International Environmental Law (CIEL), the International Service for Human Rights (ISHR), FIAN Int...
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Right to a Healthy Environment at the CoE @healthyenvcoe.bsky.social · 09/09/2025
The call comes from within – again! Last Friday, the Committee on Social Affairs, Health & Sustainable Development of the @coe.int called for the legal protection of the right to a healthy environment! 🌍 pace.coe.int/en/news/9992... 1/5
pace.coe.int
Commitee calls on the Council of Europe to assume its role in addressing climate change and its impact on our fundamental rights
The Committee on Social Affairs, Health and Sustainable Development notes with grave concern that Europe has entered an era in which climate-related disasters are becoming structural: persistent droug...
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Center for International Environmental Law @ciel.org · 08/09/2025
⚠️ More than half of all fertilizers are made from fossil fuels. 🛢️ The result? A system that harms our health, drives climate change, and threatens food security. 🍽️ It’s time to rethink what’s on our plates. 👇 Learn more about the frack-to-fork supply chain.
ciel.org
Frack to Fork: Fossil Fertilizers Harm Health, Climate, and Food Systems (Sept 2025) - Center for International Environmental Law
Fossil-fueled fertilizers drive climate change and threaten human health. Explore their hidden costs and learn proven solutions for resilient food systems.
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Arena for Journalism in Europe @journalismarena.eu · 05/09/2025
🌍 In the age of misinformation, what climate science 'counts'? 📆 The very first #ClimateArena 2025 session will see attorney @duycks.bsky.social and documentarist Mette Reitzel address (mis)use of climate science in litigation. 📅 Prog: climatearena2025.sched.com 🎟️ Tix: climatearena.eu/register/
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Reposted by 🌍⚖️ Sébastien Duyck
Alexandra Endres @alexandraendres.bsky.social · 03/09/2025
Kann Holcim in der Schweiz wegen Klimaschäden aufgrund der Emissionen aus der Zementproduktion verklagt werden? Heute war Gerichtsverhandlung, eine Entscheidung ist noch nicht gefallen. Ein Thread des @ciel.org mit Hintergründen. #climatejustice #klimaklagen
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Reposted by 🌍⚖️ Sébastien Duyck
luigijorio.bsky.social @luigijorio.bsky.social · 02/09/2025
Residents of Pulau Pari, a small island in Indonesia, accuse Swiss cement giant Holcim of contributing to the climate crisis that threatens their existence. ‪@ecchr.bsky.social‬ @sabincenter.bsky.social‬
swissinfo.ch
Climate crisis: Indonesian islanders sue Swiss company Holcim
Inhabitants of Indonesia's Pulau Pari island accuse Swiss cement giant Holcim of contributing to the climate crisis that threatens their existence.
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Reposted by 🌍⚖️ Sébastien Duyck
Center for International Environmental Law @ciel.org · 03/09/2025
🌍📢 Join us LIVE today at 15:00 CEST for the 2025 #GenevaDialogues on #HumanRights & #ClimateChange. This year’s edition explores how Geneva-based institutions can build on historic climate advisory opinions from #ICJ, #ITLOS & #IACtHR. #ClimateJustice
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🌍⚖️ Sébastien Duyck @duycks.bsky.social · 03/09/2025
⚡ ⚖️ 🌐 happening now: #ClimateLitigation court hearing in Zug, Switzerland 🇨🇭, in 𝐴𝑠𝑚𝑎𝑛𝑖𝑎 𝑣. 𝐻𝑜𝑙𝑐𝑖𝑚. This civil law case seeks to hold one of the largest carbon major accountable for climate harms. 🧵 live reporting from the Court house, with summary of legal arguments and key elements of context👇
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HEKS - Hilfswerk der Evangelisch-reformierten Kirche Schweiz @heks-ch.bsky.social · 02/09/2025
| Call for Climate Justice | Lesenswerter Thread von @duycks.bsky.social zur Klimaklage und der Hauptverhandlung morgen in Zug. ⬇️
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🌍⚖️ Sébastien Duyck @duycks.bsky.social · 02/09/2025
⚡ ⚖️ 🌐 upcoming #𝐂𝐥𝐢𝐦𝐚𝐭𝐞𝐋𝐢𝐭𝐢𝐠𝐚𝐭𝐢𝐨𝐧: Asmania v. Holcim Crucial hearing upcoming in Switzerland, this could set a precedent for holding climate polluters accountable. 📅 Wed, 3 Sept 2025 – starting at 8:30 am CEST 📍 Cantonal Parliament of Zug🇨🇭 👇 A brief thread🧵
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Right to a Healthy Environment at the CoE @healthyenvcoe.bsky.social · 01/09/2025
“The climate crisis is not just an environmental emergency. It is also a democratic test. When science is ignored, people suffer.” We couldn't agree more with @pace.coe.int President Theodoros Roussopoulos! 1/6
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🌍⚖️ Sébastien Duyck @duycks.bsky.social · 01/09/2025
⚖️ 🌐 THIS WEEK: a Swiss Court will hear legal claims from Indonesia Islanders seeking financial compensation from cement company 🏭 Holcim for climate-related damages. 👀 📝 Stay tuned for insights & live coverage from the 🏛️court on Wed #MakePollutersPay #ClimateJustice www.reuters.com/sustainabili...
reuters.com
Swiss court to consider climate case by Indonesia islanders against Holcim
A court in Switzerland will decide on Wednesday whether to hear a legal complaint against Swiss giant Holcim , one of the world's biggest cement makers, that alleges the company is doing too little to cut carbon emissions and so contributing to global warming.
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DavZoul @davzoul.bsky.social · 15/08/2025
#PlasticsTreaty #INC5.2 wrap up. You read it elsewhere by now, we don’t have a treaty (no real surprises here). But what else can we retain from those exhausting 11 days ?… @genevaenvironmentnetwork.org @toxicsfree.bsky.social @duycks.bsky.social @breakfreefromplastic.org @gaiazerowaste.bsky.social
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DavZoul @davzoul.bsky.social · 14/08/2025
We are entering the final stretch. An insult of a text was mostly rejected by countries yesterday (except by petro states and the chemical industry, which tells you all you need to know about it). Let’s see if we can unlock this today … stay tuned @genevaenvironmentnetwork.org @duycks.bsky.social
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🌍⚖️ Sébastien Duyck @duycks.bsky.social · 13/08/2025
🔥 Crucial point at 🇺🇳#PlasticsTreaty negotiations: process' chair proposes new draft based lowest common denominator & compromising ecosystems & human health. 😡 Such a treaty would consolidate status quo, benefiting polluters. 🙅Delegates must reject this text and get back to drawing board.
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DavZoul @davzoul.bsky.social · 13/08/2025
Plenary of #INC5.2 #PlasticsTreaty still ongoing in Geneva.. The chair put forward a proposed text that is clearly unacceptable, as being expressed by many countries from all regions right now. @genevaenvironmentnetwork.org @breakfreefromplastic.org @toxicsfree.bsky.social @duycks.bsky.social
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DavZoul @davzoul.bsky.social · 13/08/2025
Two more days and the heat is on in Gva #INC5.2 #PlasticsTreaty negotiations.. Ministers have arrived, rumors abound, and we are looking for the narrow path to success @genevaenvironmentnetwork.org @breakfreefromplastic.org @toxicsfree.bsky.social @duycks.bsky.social
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Center for International Environmental Law @ciel.org · 07/08/2025
⚠️ Fossil fuel and chemical industry lobbyists have flooded #PlasticsTreaty talks at a record high. They're working with petrostates to distract, delay, and drag the treaty toward the lowest common denominator. #KickPollutersOut #INC5-2 👉 Read more: bit.ly/41wUn1L
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Doug Parr @dougparr.bsky.social · 04/08/2025
Plastic is often seen as a cheap material but scientists in The Lancet argue it is expensive when including damage to health One estimate of the health damage from just three plastic chemicals – PBDE, BPA and DEHP – in 38 countries was $1.5tn a year. www.theguardian.com/environment/...
theguardian.com
World in $1.5tn ‘plastics crisis’ hitting health from infancy to old age, report warns
Plastic production has increased more than 200 times since 1950 and hits health at every stage from extraction to disposal, says review in the Lancet
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