MC Cordonier Segger
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mccordonier.bsky.social
MC Cordonier Segger
@mccordonier.bsky.social
Intl jurist, expert, senior director, author, prof, Chair in Sustainable Development Law and Governance, climate, biodiversity, natural resources, trade/investment.
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Very good @cop30brazil.bsky.social side event at FGV Law School in Rio with nodes in Belem and at Pace Law School - delighted to share some of our climate law and governance research.
November 13, 2025 at 8:04 PM
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Thank you for joining us for the 2025 CLGD. As Lead Counsel for the @cisdl.bsky.social’s Climate Programming, it is a pleasure to return to this event year-after-year and see how far and wide the community of climate lawyers as grown says Adv. Ayman Cherkaoui @clginitiative.bsky.social #CLGD25
November 14, 2025 at 12:11 PM
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We are starting our @clginitiative.bsky.social #CLGD25 with so many old and new friends alongside @cop30brazil.bsky.social

You can still join us all day - www.eventbrite.ca/e/climate-la...
November 14, 2025 at 12:16 PM
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it is a true pleasure to open @clginitiative.bsky.social Day 2025. UNEP is honoured to support this important event once again, and I am delighted to join you. This year, gathered here alongside COP 30 in Belém, we meet at a pivotal moment says @unep.org's Prof Patricia Kameri-Mbote #COP30 #CLGD25
November 14, 2025 at 12:30 PM
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There are key obligations of states to protect the environment and the climate system and it is key for states to protect human rights including in relation to the environment says Prof @astridpuentes.bsky.social @clginitiative.bsky.social #CLGD25 #COP30
November 14, 2025 at 12:36 PM
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Opening Plenary: Prof Patricia Kameri-Mbote (Director, @unep.org; Prof @astridpuentes.bsky.social Prof Iberoamericana Mexico); Adv Michael Strauss (General Counsel, @ebrd.bsky.social ); Prof Damilola Olawuyi (Vice-Chair, ILA / @unesco.org Chair, HBKU); Prof Rashad Ibadov (Dean, ADA Law School)
November 14, 2025 at 12:38 PM
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We need to exchange ideas how to turn law on climate change into concrete legal results. In the next phase we need to turn ambition into realty and as such multirao is an important motto as we need a community effort also in the law says Adv Michael Strauss (General Counsel, @ebrd.bsky.social );
November 14, 2025 at 12:42 PM
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We are delighted be part of this venture and we had a great conference in the last two day at FVG Law Rio says Prof Paula da Cunha Duarte one of the chairs for A Mandate for All: the Legal and Civic Imperative to Confront the Climate Emergency @clginitiative.bsky.social #CLGD25 #COP30
November 14, 2025 at 12:58 PM
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Plenary on Adjudicating State Obligations on Climate Change - Why are the recent AOs of international tribunals on climate change important, and how do they advance understanding of the obligations of States? Chaired by Prof @mccordonier.bsky.social & @unep.org's Prof Patricia Kameri-Mbote #CLGD25
November 14, 2025 at 1:02 PM
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States would not meet their obligations if they ignored their due diligence obligations in all areas related to climate change says Judge Kathy-Ann Brown WIJA (Judge, International Tribunal on the Law of the Sea) @clginitiative.bsky.social #CLGD25 #COP30 @cisdl.bsky.social
November 14, 2025 at 1:27 PM
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Our first Plenary Keynote is from Judge Leonardo Nemer Caldeira Brant (Judge, International Court of Justice) @clginitiative.bsky.social #CLGD25 #COP30 @cisdl.bsky.social @cambridgelaw.bsky.social @lauterpachtcentre.bsky.social
November 14, 2025 at 1:04 PM
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The three AOs converge. All 3 underscore that the Paris Agreement contains binding legal obligations under a stringent due diligence standard and implemented as enforceable legal duty says Judge Patricia Pérez Goldberg (Judge, @corteidh.bsky.social) @clginitiative.bsky.social #CLGD25 #COP30
November 14, 2025 at 1:33 PM
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Delighted to join the Adjudicating State Obligations on Climate Change - High-Level Plenary in the Q&A - the unanimous view is that the triptych of AOs from ITLOS, @corteidh.bsky.social and the ICJ will shape climate law and governance for years to come. @clginitiative.bsky.social #CLGD25 #COP30
November 14, 2025 at 1:47 PM
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The implementation deficit does not just concern mitigation, it also concerns adaptation and changes are needed in legislation but also in policy says Judge Kathy-Ann Brown WIJA (Judge, International Tribunal on the Law of the Sea) @clginitiative.bsky.social #CLGD25 #COP30
November 14, 2025 at 1:53 PM
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States must take climate change into account also at the budget planning stage and in the light of due diligence obligations under international law says Judge Patricia Pérez Goldberg @clginitiative.bsky.social #CLGD25 #COP30
November 14, 2025 at 1:56 PM
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Let us carry forward the inspiration of this plenary: to strengthen legal reasoning, institutional capacity, and judicial courage, so that climate justice may be realised. The law grounded in science remains our most powerful instrument says @unep.org's Prof Mbote @clginitiative.bsky.social #CLGD25
November 14, 2025 at 2:02 PM
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@clginitiative.bsky.social I. Roundtable: The Climate Justice Turning Point - From AOs to Accountability - How do the recent AOs from ITLOS, @corteidh.bsky.social, and ICJ redefine states’ obligations. Hosted by Bangladesh Society of Intl Law & @wy4cj.bsky.social @cisdl.bsky.social #CLGD25 #COP30
November 14, 2025 at 2:21 PM
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Legal Experts Panel: Advancing Legal and Regulatory Readiness for Climate Financing and Bondholder Engagement
Hosted by the Karachi Center for Climate Change, Sohail Univ; Ministry of Climate Change, Pakistan; SEC Pakistan; Bank of Punjab & AFII @clginitiative.bsky.social #CLGD25 #COP30
November 14, 2025 at 2:26 PM
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Legal Roundtable: Governing Forests & Farming Futures - Advancing Climate Justice in Africa - What legal and institutional reforms are required? Hosted by ADIFEVEA, World & Reseaux des Juristes Environnementaliste de l'Afrique Centrale REJEAC @clginitiative.bsky.social #CLGD25 #COP30
November 14, 2025 at 2:32 PM
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Civil society has a role to ensure that the knowledge about the AOs is shared widely. Young people from all around the world wrote to their ministers to support the AO in the UNGA says Adv Nicole Ponce (Global Advocacy Lead, @wy4cj.bsky.social) @clginitiative.bsky.social #CLGD25 #COP30
November 14, 2025 at 2:48 PM
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Many thanks to Lucy Cavendish College, University of Cambridge, for its award of Honorary Fellow of Lucy Cavendish College along with Alec Russell, Foreign Editor @financialtimes.com. (1/3)
September 28, 2025 at 7:47 PM
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🌍📜 Licensing and subsidising fossil fuels can now "constitute internationally wrongful acts,” write Dr @frediotto.bsky.social and ‪Dr Alaa Al Khourdajie.

Read their commentary on why The ICJ's new advisory marks a turning point for climate accountability: ow.ly/7aix50WvkuM
The ICJ’s climate ruling goes far beyond legal battles between small states and big polluters
Written by Professor Friederike Otto, Professor in Climate Science at the Centre for Environmental Policy and Dr Alaa Al Khourdajie, Research Fellow at Chemical Engineering, Imperial College London. O...
ow.ly
July 25, 2025 at 2:59 PM
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Join us on Friday 25 July 4-6pm UK time - open to all:

Tensions & Transformations: Teaching Sust Dev Law in Turbulent Times

This online panel will also launch Sustainable Development Law: Principles, Practices, and Prospects (2nd ed, OUP, 2025)

www.eventbrite.ca/e/tensions-t...
Tensions & Transformations: Teaching Sust Dev Law in Turbulent Times
This online panel will also launch Sustainable Development Law: Principles, Practices, and Prospects (2nd ed, OUP, 2025)
www.eventbrite.ca
July 8, 2025 at 8:32 PM
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Please remember this story behind the AO next time someone tells you that things cannot be changed. What a fantastic and historic win.

‘We were heard’: the Pacific students who took their climate fight to the ICJ – and won www.theguardian.com/world/2025/j...
‘We were heard’: the Pacific students who took their climate fight to the ICJ – and won
In a packed court thousands of kilometres from home, Cynthia Houniuhi saw years of work come to fruition with the landmark ICJ opinion on climate harm
www.theguardian.com
July 25, 2025 at 6:51 PM
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We are indebted to all those teachers of law who taught us to think about what the law should look like in the future. That thinking resulted in the three int'l Advisory Opinions says Hungarian Constitutional Court Justice Prof Marcel Szabo. #SDLaw2025 @cisdl.bsky.social @demedglobal.bsky.social
July 25, 2025 at 5:46 PM