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Simon Stiell Profile
Simon Stiell

@simonstiell

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UN Climate Change (@unfccc) Executive Secretary.

Bonn, Germany
Joined March 2018
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@simonstiell
Simon Stiell
18 hours
⚖️ The advisory opinion from the @CIJ_ICJ is a milestone for climate justice affirming states’ legal duties to act on #climatechange. While not binding, it carries real weight. As momentum builds, @UNFCCC remains key to turning principles into progress for people & planet.
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@simonstiell
Simon Stiell
15 days
The global shift to renewables is increasingly inevitable, but its massive human and economic benefits are not yet being shared across all countries and regions. To deliver on the global agreement at COP28 to triple renewables by 2030, we need to move much further and faster.
@IRENA
IRENA
15 days
The world is adding #renewable capacity faster than ever—582 GW in 2024 alone. But the benefits are not evenly shared across regions. #Asia accounted for 71% of growth, while Africa increased its renewables capacity by 7.2% only. See @IRENA's new data⤵️.
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@simonstiell
Simon Stiell
28 days
As we close the #JuneClimateMeetings, it is clear we need to go further, faster, and fairer. Progress has been made on some areas, but others struggled. We must find ways to get to the hard decisions sooner. All eyes will be on #COP30. 👉
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@simonstiell
Simon Stiell
29 days
RT @UNFCCC: Youth voices and solutions are more important than ever. 💪🌎. Watch COP30 Youth Climate Champion Marcele Oliveira (@pycccop30) a….
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@simonstiell
Simon Stiell
1 month
Climate reporting shapes stronger policies & helps identify funding needs and investment opportunities. At 1st Multilateral Consideration of Progress, countries shared lessons, results & challenges from implementing their climate commitments, for people, prosperity and planet.
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@simonstiell
Simon Stiell
1 month
The 10 year anniversary of the Paris Agreement is a moment both to reflect on progress so far & the work ahead. Over the next decade, we must accelerate & implement, delivering real economy impacts & real-life benefits for 8 billion people. We must go further, faster, fairer.
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@simonstiell
Simon Stiell
1 month
My message to young people: never underestimate your power. Be loud and proud — in your communities, on social media, in schools, and on the streets. Fantastic to meet the #COP30 Youth Climate Champion Marcele Oliveira (@pycccop30) again at the #JuneClimateMeetings.
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@simonstiell
Simon Stiell
1 month
Solving the climate crisis needs everyone — with faster action and large-scale delivery. Bold national climate plans + implementation on the ground are key. Great to talk with the COP29 & COP30 Climate High-Level Champions on connecting ambition to action.
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@simonstiell
Simon Stiell
1 month
Climate multilateralism has delivered clear progress at each recent COP. If we want #COP30 in Brazil to take us another global step forward, we need the next eight days to deliver concrete progress at the UN #JuneClimateMeetings. Let’s get to work. 👉
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@simonstiell
Simon Stiell
1 month
Ahead of the #JuneClimateMeetings SB62, two things are clear:. 👉complex & vital work lies ahead on  the road to COP30 in Brazil. 👉 Parties must make concrete progress over next ten days. Let's get to work – for people, prosperity and planet.
@LDCChairUNFCCC
LDC Chair
1 month
#SB62Update.As we closed the LDC #SB62 Pre- Session meetings-@UNFCCC Executive Secretary @simonstiell said : "This year's climate negotiations must send a signal that the climate change agenda is on track. There's great global intent to close the ambition & implementation gap."
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@simonstiell
Simon Stiell
1 month
The #JuneClimateMeetings (SB62) kick off 16 June — laying the groundwork for ambitious outcomes at #COP30. The @UNFCCC secretariat is here to help countries & others drive progress on climate action, for people, prosperity & planet. 👉Our recent work:
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@simonstiell
Simon Stiell
2 months
Climate finance is about the ability to deliver climate actions - to protect people, prosperity and planet. @theGEF plays a crucial role in this effort - turning ambition into action by directing funds where they are needed most, and can have most impact. #GEFcouncil69
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@simonstiell
Simon Stiell
2 months
Mexico’s new climate plan can supercharge the country’s growth: more jobs, innovation, stronger communities & healthier citizens — while cutting the pollution destroying our planet. As a G20 country, Mexico can position itself as a leader in climate action on the road to #COP30.
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@simonstiell
Simon Stiell
2 months
The COP30 President-Designate’s message is more urgent than ever:.We need to reinforce multilateralism & climate negotiations under the @UNFCCC, find solutions that benefit people’s lives & go full steam ahead to implement the goals of the Paris Agreement.
@UNFCCC
UN Climate Change
2 months
Tackling climate change needs all hands on deck. This November at #COP30 in Brazil, the world unites in a global Mutirão—a collective push for climate action. 🌍💪. More in the latest letter to Parties by the COP30 President-Designate:
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@simonstiell
Simon Stiell
2 months
I am deeply saddened by the passing of Sebastião Salgado. A tireless champion of nature and human dignity, he used his art to advocate for the planet’s most vulnerable people and ecosystems. His legacy will continue to inspire action and advocacy for our planet & its people.
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@simonstiell
Simon Stiell
2 months
Nepal’s new & whole-of-government national climate plan (NDC) is an encouraging sign that more & more countries are embracing the vast opportunities that ambitious climate action holds:.For growth, for jobs, for energy security, for better health & for a safer, more stable world.
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@simonstiell
Simon Stiell
2 months
#ClimateWeek2025 marks a new chapter. We need to fast-track the climate action journey from ambition to implementation, to make faster progress in the real economy - the heartbeat of climate action. Let's show how climate action can deliver more for people, prosperity & planet.
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@simonstiell
Simon Stiell
2 months
Moldova just submitted a strong new #NDC:. ✅ 75% net GHG cuts by 2035 (vs. 1990).✅ Legally binding 2050 climate neutrality goal.✅ Informed by the Global Stocktake. Let's keep the momentum going.
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@simonstiell
Simon Stiell
3 months
The clean energy transition can propel economies & societies forward — creating more jobs, improving health, and opening up new opportunities for communities and businesses. #Kenya’s new national climate plan (NDC) recognizes this immense potential. 👉
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@simonstiell
Simon Stiell
3 months
In times of global uncertainty, one thing is crystal clear:.International cooperation has never been more vital. To tackle climate change, loss of biodiversity & desertification, for a livable world. We will only succeed if we rise to this challenge together. #ChangeNow
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