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Markus W. Gehring @mwgehring.bsky.social · 13/11/2025

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.

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Markus W. Gehring @mwgehring.bsky.social · 14/11/2025

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

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Markus W. Gehring @mwgehring.bsky.social · 14/11/2025

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...

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Markus W. Gehring @mwgehring.bsky.social · 14/11/2025

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

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Markus W. Gehring @mwgehring.bsky.social · 14/11/2025

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

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Markus W. Gehring @mwgehring.bsky.social · 14/11/2025

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)

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Markus W. Gehring @mwgehring.bsky.social · 14/11/2025

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 );

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Markus W. Gehring @mwgehring.bsky.social · 14/11/2025

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

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Markus W. Gehring @mwgehring.bsky.social · 14/11/2025

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

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Markus W. Gehring @mwgehring.bsky.social · 14/11/2025

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

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Markus W. Gehring @mwgehring.bsky.social · 14/11/2025

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

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Markus W. Gehring @mwgehring.bsky.social · 14/11/2025

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

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Markus W. Gehring @mwgehring.bsky.social · 14/11/2025

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

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Markus W. Gehring @mwgehring.bsky.social · 14/11/2025

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

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Markus W. Gehring @mwgehring.bsky.social · 14/11/2025

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

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Markus W. Gehring @mwgehring.bsky.social · 14/11/2025

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

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Markus W. Gehring @mwgehring.bsky.social · 14/11/2025

@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

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Markus W. Gehring @mwgehring.bsky.social · 14/11/2025

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

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Markus W. Gehring @mwgehring.bsky.social · 14/11/2025

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

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Markus W. Gehring @mwgehring.bsky.social · 14/11/2025

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

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Ngozi Okonjo-Iweala @noiweala.bsky.social · 28/09/2025

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)

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Grantham Institute - Climate Change and the Environment @granthamicl.bsky.social · 25/07/2025

🌍📜 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

ow.ly

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...

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Markus W. Gehring @mwgehring.bsky.social · 08/07/2025

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...

eventbrite.ca

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)

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Markus W. Gehring @mwgehring.bsky.social · 25/07/2025

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...

theguardian.com

‘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

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Markus W. Gehring @mwgehring.bsky.social · 25/07/2025

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

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Markus W. Gehring @mwgehring.bsky.social · 25/07/2025

Education for sustainable development law is crucial and our @demedglobal.bsky.social aims to widen participation globally say Ms Joanna Watterson (Programme Coordinator, DemEd / PhD Researcher, @cam.ac.uk) & Adv Carter Cheng (Engagement Coordinator, DemEd / PhD Researcher, @cam.ac.uk) degsj.org

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Markus W. Gehring @mwgehring.bsky.social · 25/07/2025

There will be an online companion to Sustainable Development Law textbook explain Adv Spencer Williams (Ontario Ministry of Attorney General/Assoc Fellow, CISDL) & Ms Annabel Koven (SSPI Coordinator, Global Youth Council on Science Law & Sust) #SDLaw2025 @cisdl.bsky.social @demedglobal.bsky.social

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Markus W. Gehring @mwgehring.bsky.social · 25/07/2025

We are aiming to establishing a global community of practice of sustainable development law by creating the new Sustainable Development Governance and Law Association (SDGLA) say Adv Matheus Paes Garcia (STILI Manager) & Ms Thalsa-Thiziri Mekaouche (Assoc Fellow) #SDLaw2025 @cisdl.bsky.social

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Markus W. Gehring @mwgehring.bsky.social · 25/07/2025

There is an open invitation to contribute to Volume 20 of the @mcgill.ca Journal of Sustainable Law which focuses at the intersection of environment, economy and society www.mjsdl.com

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Markus W. Gehring @mwgehring.bsky.social · 25/07/2025

There is a need for greater awareness of international law in all aspects but particularly on HR and climate change says Dr @ashfaqkhalfan.bsky.social (Chair, @cisdl.bsky.social Board of Governors / Climate Justice Director, @oxfamamerica.bsky.social) #SDLaw2025 @demedglobal.bsky.social

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Markus W. Gehring @mwgehring.bsky.social · 25/07/2025

We need access to knowledge and insight says Adv Raul Zeyi Huang (Research Analyst, IFC). Today it is impossible to teach trade law without sustainable development says Prof Ilaria Espa (Assoc Prof, Swiss Italian University / Lead Counsel, @cisdl.bsky.social ) #SDLaw2025 @demedglobal.bsky.social

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Markus W. Gehring @mwgehring.bsky.social · 25/07/2025

We have a generational opportunity after the AOs to change course and upgrade our understanding says to Adv Ayman Cherkaoui (Vice-Chair @iucnwcel.bsky.social, Lead Counsel @cisdl.bsky.social and Director Hassan II International Environmental Training Center #SDLaw2025 @demedglobal.bsky.social

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Markus W. Gehring @mwgehring.bsky.social · 25/07/2025

We need to use institutions like the Green Climate Fund as living labs which prepare lawyers for the challenges of tomorrow and for decades into the future says Adv Douglas Leys KC (Snr Fellow, @cisdl.bsky.social / former General Counsel, @greenclimate.fund) #SDLaw2025 @demedglobal.bsky.social

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Markus W. Gehring @mwgehring.bsky.social · 25/07/2025

There is now strong guidance in the AO on sustainable development law which is no longer just aspirational but rather concrete, precise and justiciable says Dr Jennifer Maas (Senior, Deloitte / Assoc Fellow, @cisdl.bsky.social) #SDLaw2025 @demedglobal.bsky.social

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Markus W. Gehring @mwgehring.bsky.social · 25/07/2025

As clarified by the AOs there are now clear obligations on legal professionals to integrate sustainable development in all their professional work including pro bono says Adv Lara Douvartzidis (Snr Legal Exec, Net Zero Lawyers Alliance) #SDLaw2025 @cisdl.bsky.social @demedglobal.bsky.social

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Markus W. Gehring @mwgehring.bsky.social · 25/07/2025

Bar Associations can play a critical role for the implementation of the #SDGs in the law and can offer training - the ICJ AO is also very important for private lawyers says Adv Emily Morison (Project Lawyer, @ibanews.bsky.social) #SDLaw2025 @cisdl.bsky.social @demedglobal.bsky.social

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Markus W. Gehring @mwgehring.bsky.social · 25/07/2025

Now on to Roundtable II: Innovations in Training and Advancing Sustainable Development Law and Governance, chaired by Prof Nandini Ramanujam (Professor, McGill Univ) & Prof Damilola Olawuyi SAN WIJA (UNESCO Chair in Enviro Law & Sust Dev, Hamad Bin Khalifa Univ) #SDLaw2025 @cisdl.bsky.social

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Markus W. Gehring @mwgehring.bsky.social · 25/07/2025

Equity and equality play such an important role not just for the global human rights framework but much more broadly in sustainable development law and the advisory opinions underlined their importance says Prof Pamela Sambo #SDLaw2025 @cisdl.bsky.social @demedglobal.bsky.social

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Markus W. Gehring @mwgehring.bsky.social · 25/07/2025

We must continue the discussion about implementation of international law all around the world but we should never underestimate the authoritative nature of treaties and court and tribunal decisions says @kcllaw.bsky.social's Prof Megan Bowman #SDLaw2025 @cisdl.bsky.social @demedglobal.bsky.social

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Markus W. Gehring @mwgehring.bsky.social · 25/07/2025

Implementation is a key word in sustainable development law - there are so many innovative ways to implement climate law for example and court and tribunals play an important role is regard says Prof Jorge Cabrera #SDLaw2025 @cisdl.bsky.social @demedglobal.bsky.social

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Markus W. Gehring @mwgehring.bsky.social · 25/07/2025

We need work with other disciplines and not shy away from engaging with scientist, engineers and those of other disciplines says Prof Riyad Fahkri (Vice Chair, ASSELLMU / Professor, Univ Hassan 1st) #SDLaw2025 @cisdl.bsky.social @demedglobal.bsky.social

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Markus W. Gehring @mwgehring.bsky.social · 25/07/2025

We need a global network of those teaching sustainable development law and foster exchange between those teaching in this crucial area says Dr Willa Lan Wu (Lecturer, Ocean Univ China) #SDLaw2025 @cisdl.bsky.social @demedglobal.bsky.social

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Markus W. Gehring @mwgehring.bsky.social · 25/07/2025

The advisory opinions are of crucial importance for teaching and research of climate law and beyond in the interest of sustainable development says Dr Alessandra Lehmen #SDLaw2025 @cisdl.bsky.social @demedglobal.bsky.social

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Markus W. Gehring @mwgehring.bsky.social · 25/07/2025

The advisory opinions are of crucial importance for an integrated vision on all law such as climate, health, IP, economic law and domestic constitutional courts are taking these decisions into account says Prof Jorge Cabrera #SDLaw2025 @cisdl.bsky.social @demedglobal.bsky.social

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Markus W. Gehring @mwgehring.bsky.social · 25/07/2025

Delighted to contribute to our discussion by reflecting on the recent Advisory Opinions in international courts and tribunals - we are all sustainable development lawyers now, esp. if we take the jus cogens / erga omnes obligations seriously #SDLaw2025 @cisdl.bsky.social @demedglobal.bsky.social

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Markus W. Gehring @mwgehring.bsky.social · 25/07/2025

There is a strong duty to cooperate highlighted in the ICJ AO on climate change and we should be aware of this duty not just for states but also for the private sector says Prof Megan Bowman #SDLaw2025 @cisdl.bsky.social @demedglobal.bsky.social

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Markus W. Gehring @mwgehring.bsky.social · 25/07/2025

The legal curriculum needs to be updated to include sustainable development law says Dr Enas Qutieshat of the Middle Eastern Environmental Law Teachers Association #SDLaw2025 @cisdl.bsky.social @demedglobal.bsky.social

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Markus W. Gehring @mwgehring.bsky.social · 25/07/2025

Universities have an important responsibility to help transform global societies towards a more sustainable path and sustainable development law plays an important role says Prof Pamela Sambo #SDLaw2025 @cisdl.bsky.social @demedglobal.bsky.social

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Markus W. Gehring @mwgehring.bsky.social · 25/07/2025

One of the most significant challenge in teaching sustainable development law today is the incredible diversity and fragmentation in the field but we can use recent international expressions to understand the complexity says Prof Winfried Huck #SDLaw2025 @cisdl.bsky.social @demedglobal.bsky.social

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Markus W. Gehring @mwgehring.bsky.social · 25/07/2025

We are celebrating the launch of the new Sustainable Development Law textbook @oupacademic.bsky.social #oxforduniversitypress @ox.ac.uk says @tejasrao.bsky.social as it offers new analysis of the most recent developments. #SDLaw2025 @cisdl.bsky.social @demedglobal.bsky.social

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