UNFCCC

Delta Merner/UCS

November 26, 2025

Kyoto and the Stories We Still Need to Tell About Fossil Fuel Obstruction

L. Delta Merner
Lead Scientist, Science Hub for Climate Litigation

Wagner Meier/Getty Images

November 18, 2025

Bad COP to Good COP: Blocking Fossil-Fueled Disinformation in Belém and Beyond

Kate Cell
Senior Climate Campaign Manager

Wagner Meier/Getty Images

November 14, 2025

As Week One Winds Down at COP30 in Brazil, What’s at Stake and What’s Ahead

Rachel Cleetus
Policy Director

Kiara Worth/Climate and Nature UN Climate Change CC BY-NC-SA 4.0

November 7, 2025

Why COP30 in Brazil Matters for a Thriving Economy and a Safe, Livable Planet

Rachel Cleetus
Policy Director

Delta Merner/UCS

November 7, 2025

Reflections from the IPCC Plenary in Lima on the Road to COP30

L. Delta Merner
Lead Scientist, Science Hub for Climate Litigation

Kick Big Polluters Out

November 7, 2025

Imagining a COP Free from Fossil Fuel Industry Influence

Kathy Mulvey
Accountability Campaign Director, Climate & Energy Program

Brazilians gather in defense of the Amazon and protest against deforestation and forest fires in Rio de Janeiro, Brazil. One person holds a sign reading "act for Amazon"

Bruna Prado/Getty Images

October 29, 2025

COP30 Is Not Just about Climate

Astrid Caldas
Senior Climate Scientist

Delta Merner/UCS

October 27, 2025

Inside the IPCC Meeting in Lima: Global Climate Science Still Matters

L. Delta Merner
Lead Scientist, Science Hub for Climate Litigation

UN Photo/Joao Araujo Pinto

September 18, 2025

Can a Shifting World Order Help Deliver Progress at the UN Climate Summit?

Rachel Cleetus
Policy Director

Delta Merner/UCSUSA

March 6, 2025

Delays and Disagreements: The IPCC’s Struggle to Stay on Course

L. Delta Merner
Lead Scientist, Science Hub for Climate Litigation

Official White House Photo/ Adam Schultz

November 20, 2023

Taking Stock Ahead of UN Climate Conference: Five Things to Watch for at COP28 in Dubai

Rachel Cleetus
Policy Director

A herd of cows grazes in a field in the foreground, against a backdrop of massive smokestacks emitting some horrid-looking gas.

Peggychoucair/Pixabay

November 20, 2023

COP28 Global Methane Pledge Efforts Still Not Enough

Shaina Sadai
Former Hitz Fellow

Maldives Minister of Fisheries and Agriculture Dr Ibrahim Didi signs the decree of underwater cabinet meeting.

Mohamed Seeneen/Flickr

December 20, 2022

Do Paris Agreement Temperature Goals Address Sea Level Rise and Climate Justice?

Shaina Sadai
Former Hitz Fellow

A microphone faces the viewer in the foreground; in the background, lights imply an expectant audience

Bogomil Mihaylov/Unsplash

August 5, 2021

5 Flags to Watch for the Day after the Olympics End: IPCC 6th Climate Assessment Report Release

Brenda Ekwurzel
Former Staff

UN Photo/Amanda Voisard/CC BY-NC

December 9, 2020

Five Years on, Keeping the Hope of the Paris Agreement Alive and Strong

Rachel Cleetus
Policy Director

Ashley Siefert Nunes

December 19, 2019

Reflections from COP25 in Madrid

Rachel Cleetus
Policy Director

Credit: NPS

February 27, 2017

Will the US Choose to Be on the Right Side of History and Welcome Climate Refugees?

Adam Markham
Former Staff

December 16, 2015

How to Sound like an Expert on the Paris Climate Agreement

Jason Funk
Former contributor

December 8, 2015

The Long-Term Goal We Need: The Science of Climate Neutrality

Doug Boucher
Former Contributor

November 30, 2015

The Paris Climate Conference: Hope in a Time of Hard Realities

Jason Funk
Former contributor

March 31, 2015

U.S. Can Lead on Global Climate Action: Clean Power Plan Is a Linchpin

Rachel Cleetus
Policy Director

November 14, 2013

The Global Carbon Budget and Why the Warsaw Climate Talks Matter

Melanie Fitzpatrick

November 12, 2013

Seven Takeaways for the Warsaw Climate Talks from the New IEA Report

Rachel Cleetus
Policy Director