Léa Weimann
@leaweimann.bsky.social
PhD researcher in international environmental and climate change law at the University of Cambridge 📚🌍🌊
This is a short op-ed I wrote on how Pacific youth leadership helped bring the ICJ Advisory Opinion on Climate Change to life, why this is so significant, and how climate-vulnerable states are redefining environmental justice in several ways.
Read the full article:
🔗 earth.org/when-the-law...
Read the full article:
🔗 earth.org/when-the-law...
How a Call From the Pacific Is Redefining Environmental Justice
Pacific Island nations are shoring up the international legal framework to protect vulnerable ecosystems and communities and demand justice.
earth.org
August 6, 2025 at 5:07 PM
This is a short op-ed I wrote on how Pacific youth leadership helped bring the ICJ Advisory Opinion on Climate Change to life, why this is so significant, and how climate-vulnerable states are redefining environmental justice in several ways.
Read the full article:
🔗 earth.org/when-the-law...
Read the full article:
🔗 earth.org/when-the-law...
Breaking News: the International Court of Justice has delivered its historic Advisory Opinion on Climate Change 📢
In my #LegalWednesdays newsletter I offer a rapid response to the opinion and analyse some of the key outcomes:
📩
legalwednesday.substack.com/p/breaking-n...
In my #LegalWednesdays newsletter I offer a rapid response to the opinion and analyse some of the key outcomes:
📩
legalwednesday.substack.com/p/breaking-n...
July 23, 2025 at 5:36 PM
Breaking News: the International Court of Justice has delivered its historic Advisory Opinion on Climate Change 📢
In my #LegalWednesdays newsletter I offer a rapid response to the opinion and analyse some of the key outcomes:
📩
legalwednesday.substack.com/p/breaking-n...
In my #LegalWednesdays newsletter I offer a rapid response to the opinion and analyse some of the key outcomes:
📩
legalwednesday.substack.com/p/breaking-n...
Reposted by Léa Weimann
45/ ⚖️🌱The Court. "The human right to a clean, healthy and sustainable environment is therefore inherent to other human rights. Under international law, the RtHE is essential to the enjoyment of other human rights."
July 23, 2025 at 2:43 PM
45/ ⚖️🌱The Court. "The human right to a clean, healthy and sustainable environment is therefore inherent to other human rights. Under international law, the RtHE is essential to the enjoyment of other human rights."
Reposted by Léa Weimann
🔥 ⚖️ 🌐HAPPENING NOW: Historic #ClimateJustice Ruling being delivered by the 🇺🇳 🧑⚖️ International Court of Justice.
🚨This ruling could signal a new dawn for climate law & accountability
📝 🧵 Live thread below with context, summary & analysis 👇
#ClimateJusticeAO #AOLetsGo
🚨This ruling could signal a new dawn for climate law & accountability
📝 🧵 Live thread below with context, summary & analysis 👇
#ClimateJusticeAO #AOLetsGo
July 23, 2025 at 12:49 PM
🔥 ⚖️ 🌐HAPPENING NOW: Historic #ClimateJustice Ruling being delivered by the 🇺🇳 🧑⚖️ International Court of Justice.
🚨This ruling could signal a new dawn for climate law & accountability
📝 🧵 Live thread below with context, summary & analysis 👇
#ClimateJusticeAO #AOLetsGo
🚨This ruling could signal a new dawn for climate law & accountability
📝 🧵 Live thread below with context, summary & analysis 👇
#ClimateJusticeAO #AOLetsGo
History is on the calendar: 23 July 2025 🌍
The #ICJ will rule on the climate crisis, a decision that could pave the way for climate reparations and human rights protections.
Stay tuned and sign up for my #LegalWednesdays newsletter for further updates 🗞️
The #ICJ will rule on the climate crisis, a decision that could pave the way for climate reparations and human rights protections.
Stay tuned and sign up for my #LegalWednesdays newsletter for further updates 🗞️
July 21, 2025 at 11:34 AM
History is on the calendar: 23 July 2025 🌍
The #ICJ will rule on the climate crisis, a decision that could pave the way for climate reparations and human rights protections.
Stay tuned and sign up for my #LegalWednesdays newsletter for further updates 🗞️
The #ICJ will rule on the climate crisis, a decision that could pave the way for climate reparations and human rights protections.
Stay tuned and sign up for my #LegalWednesdays newsletter for further updates 🗞️
#LegalWednesdays is now also available via #Substack. Subscribe to get the newsletter directly to your inbox.
This week's issue was on the Inter-American Court of Human Rights historic advisory opinion on the climate emergency:
open.substack.com/pub/legalwed...
This week's issue was on the Inter-American Court of Human Rights historic advisory opinion on the climate emergency:
open.substack.com/pub/legalwed...
A watershed moment: the Inter-American Court of Human Rights Advisory Opinion on the Climate Emergency
By Lea Weimann
open.substack.com
July 11, 2025 at 1:48 PM
#LegalWednesdays is now also available via #Substack. Subscribe to get the newsletter directly to your inbox.
This week's issue was on the Inter-American Court of Human Rights historic advisory opinion on the climate emergency:
open.substack.com/pub/legalwed...
This week's issue was on the Inter-American Court of Human Rights historic advisory opinion on the climate emergency:
open.substack.com/pub/legalwed...
Reposted by Léa Weimann
Congratulations to @who.int on the historic adoption of the #PandemicAgreement at #WHA78!
This marks a major step forward in global health.
Multilateralism remains our strongest tool to tackle shared challenges and build a better world for all.
This marks a major step forward in global health.
Multilateralism remains our strongest tool to tackle shared challenges and build a better world for all.
Historic decision at #WHA78:
Member States of WHO today formally adopted by consensus the world's first #PandemicAgreement to make the world more equitable and safer from future pandemics.
🔗 bit.ly/43p0DsH
Member States of WHO today formally adopted by consensus the world's first #PandemicAgreement to make the world more equitable and safer from future pandemics.
🔗 bit.ly/43p0DsH
World Health Assembly adopts historic Pandemic Agreement to make the world more equitable and safer from future pandemics
Member States of the World Health Organization (WHO) today formally adopted by consensus the world's first Pandemic Agreement. The landmark decision by the 78th World Health Assembly culminates more t...
bit.ly
May 21, 2025 at 9:19 AM
Congratulations to @who.int on the historic adoption of the #PandemicAgreement at #WHA78!
This marks a major step forward in global health.
Multilateralism remains our strongest tool to tackle shared challenges and build a better world for all.
This marks a major step forward in global health.
Multilateralism remains our strongest tool to tackle shared challenges and build a better world for all.
At the the Cambridge Pro Bono Project we are looking forward to today's #CPP annual lecture by ICJ Judge Brant at @cambridgelaw.bsky.social in room LG18 at 5pm on the topic of Environmental Law and Climate Change 🌍
#ClimateLaw #Cambridge #InternationalLaw
www.cpp.law.cam.ac.uk/events/cpp-a...
#ClimateLaw #Cambridge #InternationalLaw
www.cpp.law.cam.ac.uk/events/cpp-a...
May 15, 2025 at 10:11 AM
At the the Cambridge Pro Bono Project we are looking forward to today's #CPP annual lecture by ICJ Judge Brant at @cambridgelaw.bsky.social in room LG18 at 5pm on the topic of Environmental Law and Climate Change 🌍
#ClimateLaw #Cambridge #InternationalLaw
www.cpp.law.cam.ac.uk/events/cpp-a...
#ClimateLaw #Cambridge #InternationalLaw
www.cpp.law.cam.ac.uk/events/cpp-a...
It is a pleasure and honour to be at the 4th IUCN WCEL conference in Rabat, Morocco 🌿
It is wonderful to see friends & colleagues again and I look forward to connecting and reconnecting with everyone and presenting on two panels tomorrow.
#IUCN #WCEL #EnvironmentalLaw #ClimateLaw #InternationalLaw
It is wonderful to see friends & colleagues again and I look forward to connecting and reconnecting with everyone and presenting on two panels tomorrow.
#IUCN #WCEL #EnvironmentalLaw #ClimateLaw #InternationalLaw
May 5, 2025 at 9:45 AM
It is a pleasure and honour to be at the 4th IUCN WCEL conference in Rabat, Morocco 🌿
It is wonderful to see friends & colleagues again and I look forward to connecting and reconnecting with everyone and presenting on two panels tomorrow.
#IUCN #WCEL #EnvironmentalLaw #ClimateLaw #InternationalLaw
It is wonderful to see friends & colleagues again and I look forward to connecting and reconnecting with everyone and presenting on two panels tomorrow.
#IUCN #WCEL #EnvironmentalLaw #ClimateLaw #InternationalLaw
Reposted by Léa Weimann
Countries have successfully reached a historic agreement to reduce greenhouse gas emissions from global shipping.
This deal establishes mandatory fuel standards and introduces a carbon pricing mechanism for emissions.
More via UN News Centre: news.un.org/en/story/202...
This deal establishes mandatory fuel standards and introduces a carbon pricing mechanism for emissions.
More via UN News Centre: news.un.org/en/story/202...
April 16, 2025 at 12:13 PM
Countries have successfully reached a historic agreement to reduce greenhouse gas emissions from global shipping.
This deal establishes mandatory fuel standards and introduces a carbon pricing mechanism for emissions.
More via UN News Centre: news.un.org/en/story/202...
This deal establishes mandatory fuel standards and introduces a carbon pricing mechanism for emissions.
More via UN News Centre: news.un.org/en/story/202...
Reposted by Léa Weimann
In other slightly more positive news we have a global climate and shipping agreement- see the excellent comment by @leaweimann.bsky.social.
www.linkedin.com/pulse/global...
www.linkedin.com/pulse/global...
Global Shipping Emissions Agreement: Diplomatic Dynamics & IMO Negotiations' Legal Implications
Shipping plays a critical but often overlooked role in global climate efforts. Around 90% of the world's goods are transported by sea, and the shipping industry is responsible for around 3% of global ...
www.linkedin.com
April 16, 2025 at 12:22 PM
In other slightly more positive news we have a global climate and shipping agreement- see the excellent comment by @leaweimann.bsky.social.
www.linkedin.com/pulse/global...
www.linkedin.com/pulse/global...
Reposted by Léa Weimann
Thank you @verfassungsblog.de and Dr @maximb.bsky.social for publishing our blog with @tejasrao.bsky.social: International Law Under Pressure: An Analysis of the First Six Weeks of the 2025 Trump US Administration, 2025/3/24, verfassungsblog.de/internationa...
International Law Under Pressure
verfassungsblog.de
March 24, 2025 at 10:56 AM
Thank you @verfassungsblog.de and Dr @maximb.bsky.social for publishing our blog with @tejasrao.bsky.social: International Law Under Pressure: An Analysis of the First Six Weeks of the 2025 Trump US Administration, 2025/3/24, verfassungsblog.de/internationa...
Climate litigation strategies: what makes cases like Lliuya v RWE ground-breaking?
A follow up from my last newsletter on strategic climate ligation and the role of:
🔵Attribution science
🔵Proportional responsibility
🔵Transnational legal hurdles
#LegalWednesday
👇
www.linkedin.com/pulse/climat...
A follow up from my last newsletter on strategic climate ligation and the role of:
🔵Attribution science
🔵Proportional responsibility
🔵Transnational legal hurdles
#LegalWednesday
👇
www.linkedin.com/pulse/climat...
Climate litigation strategies: what makes cases like Lliuya v RWE ground-breaking?
As the hearings in Lliuya v RWE unfold this week at the Higher Regional Court in Hamm, Germany, lawyers, policymakers, academics and citizens around the world are watching closely. This case is a land...
www.linkedin.com
March 19, 2025 at 3:07 PM
Climate litigation strategies: what makes cases like Lliuya v RWE ground-breaking?
A follow up from my last newsletter on strategic climate ligation and the role of:
🔵Attribution science
🔵Proportional responsibility
🔵Transnational legal hurdles
#LegalWednesday
👇
www.linkedin.com/pulse/climat...
A follow up from my last newsletter on strategic climate ligation and the role of:
🔵Attribution science
🔵Proportional responsibility
🔵Transnational legal hurdles
#LegalWednesday
👇
www.linkedin.com/pulse/climat...
Reposted by Léa Weimann
🔥 ⚖️ today: day 2 of #ClimateJustice hearing in #SaulvsRWE
🏛️ The Higher Regional Court in Hamm (🇩🇪) reviews if a #fossilfuels company can be held accountable for climate harms, potentially setting a historic precedent.
🐦 📝 I am reporting live from the Court's room.
🧵 🔽 thread below
🏛️ The Higher Regional Court in Hamm (🇩🇪) reviews if a #fossilfuels company can be held accountable for climate harms, potentially setting a historic precedent.
🐦 📝 I am reporting live from the Court's room.
🧵 🔽 thread below
March 19, 2025 at 8:04 AM
🔥 ⚖️ today: day 2 of #ClimateJustice hearing in #SaulvsRWE
🏛️ The Higher Regional Court in Hamm (🇩🇪) reviews if a #fossilfuels company can be held accountable for climate harms, potentially setting a historic precedent.
🐦 📝 I am reporting live from the Court's room.
🧵 🔽 thread below
🏛️ The Higher Regional Court in Hamm (🇩🇪) reviews if a #fossilfuels company can be held accountable for climate harms, potentially setting a historic precedent.
🐦 📝 I am reporting live from the Court's room.
🧵 🔽 thread below
Lliuya v RWE: landmark climate change case updates 🌎
Today and Wednesday hearings are taking place at the Higher Regional Court in Hamm 🇩🇪. For background on the case read my last #LegalWednesday newsletter and for live updates follow @duycks.bsky.social 🦋
👇
www.linkedin.com/pulse/lliuya...
Today and Wednesday hearings are taking place at the Higher Regional Court in Hamm 🇩🇪. For background on the case read my last #LegalWednesday newsletter and for live updates follow @duycks.bsky.social 🦋
👇
www.linkedin.com/pulse/lliuya...
Lliuya v RWE: landmark climate change case nears next crucial stage
The long-awaited hearings in the landmark case Lliuya v RWE will take place on 17 and 19 March 2025, marking a pivotal moment in climate litigation. This case, which began in 2014, is one of the first...
www.linkedin.com
March 17, 2025 at 11:53 AM
Lliuya v RWE: landmark climate change case updates 🌎
Today and Wednesday hearings are taking place at the Higher Regional Court in Hamm 🇩🇪. For background on the case read my last #LegalWednesday newsletter and for live updates follow @duycks.bsky.social 🦋
👇
www.linkedin.com/pulse/lliuya...
Today and Wednesday hearings are taking place at the Higher Regional Court in Hamm 🇩🇪. For background on the case read my last #LegalWednesday newsletter and for live updates follow @duycks.bsky.social 🦋
👇
www.linkedin.com/pulse/lliuya...
Reposted by Léa Weimann
🧑⚖️Key days for #ClimateAccountability: The Higher Regional Court of Hamm🇩🇪 will hear the highly anticipated climate case brought by Peruvian farmer Saúl Luciano Lliuya against the energy company RWE #SaulvsRWE.
🐦Follow @duycks.bsky.social for updates from the Court🐦
www.reuters.com/sustainabili...
🐦Follow @duycks.bsky.social for updates from the Court🐦
www.reuters.com/sustainabili...
Peruvian farmer takes German energy giant RWE to court in landmark climate case
A German court on Monday resumes hearing a landmark case brought by a Peruvian farmer who argues that the German energy giant RWE's emissions have contributed to the melting of Andean glaciers, increasing the flood risk to his home.
www.reuters.com
March 17, 2025 at 9:02 AM
🧑⚖️Key days for #ClimateAccountability: The Higher Regional Court of Hamm🇩🇪 will hear the highly anticipated climate case brought by Peruvian farmer Saúl Luciano Lliuya against the energy company RWE #SaulvsRWE.
🐦Follow @duycks.bsky.social for updates from the Court🐦
www.reuters.com/sustainabili...
🐦Follow @duycks.bsky.social for updates from the Court🐦
www.reuters.com/sustainabili...
Reposted by Léa Weimann
🎉⚖️🌐 great win today for climate justice and the defense of the rule of law in a follow-up decision related to the implementation of the European Court of Human Rights' judgment in KlimaSeniorinnen. [1/4]
🔗🇪🇺link to the decision: t.co/YmgnNkofKV
🔗🇪🇺link to the decision: t.co/YmgnNkofKV
March 7, 2025 at 3:23 PM
🎉⚖️🌐 great win today for climate justice and the defense of the rule of law in a follow-up decision related to the implementation of the European Court of Human Rights' judgment in KlimaSeniorinnen. [1/4]
🔗🇪🇺link to the decision: t.co/YmgnNkofKV
🔗🇪🇺link to the decision: t.co/YmgnNkofKV
Simplification at the expense of sustainability!? 🚨🇪🇺
The new #EU #Omnibus proposal aims to simplify regulation, but key environmental laws, including corporate due diligence, are at risk of being weakened.
Read my last #LegalWednesday newsletter to learn more:
www.linkedin.com/pulse/eus-om...
The new #EU #Omnibus proposal aims to simplify regulation, but key environmental laws, including corporate due diligence, are at risk of being weakened.
Read my last #LegalWednesday newsletter to learn more:
www.linkedin.com/pulse/eus-om...
EU's Omnibus Package: Simplification at the Expense of Sustainability
Background: What is the EU Omnibus Package? Last Wednesday, 26 February 2025, the European Commission unveiled the Omnibus package, a set of proposed changes aimed at streamlining and simplifying sust...
www.linkedin.com
March 6, 2025 at 3:33 PM
Simplification at the expense of sustainability!? 🚨🇪🇺
The new #EU #Omnibus proposal aims to simplify regulation, but key environmental laws, including corporate due diligence, are at risk of being weakened.
Read my last #LegalWednesday newsletter to learn more:
www.linkedin.com/pulse/eus-om...
The new #EU #Omnibus proposal aims to simplify regulation, but key environmental laws, including corporate due diligence, are at risk of being weakened.
Read my last #LegalWednesday newsletter to learn more:
www.linkedin.com/pulse/eus-om...
Reposted by Léa Weimann
Interested in learning more about the growing youth movement for #ecocidelaw? 🌿🌳🌏
Don't miss an inspiring Youth for Ecocide Law webinar THIS Wednesday, 5 February!
⏰5pm CET (4pm GMT)
Info/ registration ➡️ www.stopecocide.eart...
#StopEcocide
Don't miss an inspiring Youth for Ecocide Law webinar THIS Wednesday, 5 February!
⏰5pm CET (4pm GMT)
Info/ registration ➡️ www.stopecocide.eart...
#StopEcocide
February 3, 2025 at 4:15 PM
Interested in learning more about the growing youth movement for #ecocidelaw? 🌿🌳🌏
Don't miss an inspiring Youth for Ecocide Law webinar THIS Wednesday, 5 February!
⏰5pm CET (4pm GMT)
Info/ registration ➡️ www.stopecocide.eart...
#StopEcocide
Don't miss an inspiring Youth for Ecocide Law webinar THIS Wednesday, 5 February!
⏰5pm CET (4pm GMT)
Info/ registration ➡️ www.stopecocide.eart...
#StopEcocide