Paris Climate Agreement

UN Photo/Joao Araujo Pinto

December 12, 2025

Paris Agreement Turns 10, an Uplifting and Sobering Anniversary

Rachel Cleetus
Policy Director

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

Ed Wray/Getty Images

November 7, 2025

A Future Worth Fighting for at COP30 (and Beyond)

Gretchen Goldman
President & CEO of UCS

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

Activists, including some holding a banner that reads: "Fight for 1.5 degrees Celsius!!!", march at a prior UN COP conference

Sean Gallup/Getty Images

November 4, 2025

We’re on Track to Overshoot 1.5°C of Global Warming: Why Does That Matter?

Carly Phillips
Research Scientist

Filipe Frazao/Getty Images

October 28, 2025

Brazil Hosts COP30 Climate Talks, with the World in Danger of Breaching 1.5°C

Rachel Cleetus
Policy Director

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

A person wipes sweat from their face with a cloth in Manhattan in July 2025, during a heat wave in which 'feels-like' temperatures were above 100 degrees.

Spencer Platt/Getty Images

July 30, 2025

Hot Summer 2025 Could Be the Coolest for the Rest of Our Lives: 6 Things to Know

Erika Spanger
Director of Strategic Climate Analytics

J Studios/Getty Images

May 22, 2025

How the Fossil Fuel Industry Is Pursuing a Liability Waiver

Kate Cell
Senior Climate Campaign Manager

Kevin Dietsch/Getty Images

April 21, 2025

Why Congress Must Block a Liability Waiver for the Fossil Fuel Industry

Kathy Mulvey
Accountability Campaign Director, Climate & Energy Program

John Seaton Callahan/Getty Images

March 18, 2025

The Fossil Fuel Industry’s Lasting Imprint on Global Sea Levels

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

Sean Gallup/Getty Images

March 18, 2025

The Infuriating Story Told by the Corporate and National Carbon Emissions Data

Carly Phillips
Research Scientist

EyeEm Mobile GmbH/Getty Images

March 18, 2025

How Major Carbon Producers Drive Sea Level Rise and Climate Injustice

Shaina Sadai
Former Hitz Fellow

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

Brandi Mueller/Getty Images

February 10, 2025

The Science Behind Sea Level Rise: How Past Emissions Will Shape Our Future

Shaina Sadai
Former Hitz Fellow

Anna Moneymaker/Getty Images

January 23, 2025

Here Comes the Fossil Fuel Agenda

Julie McNamara
Associate Director, Policy for Climate and Energy

Doug Mills/Getty Images

January 8, 2025

Climate Science Deniers and Fossil Fuel Greenwashing: Danger in Trump’s Second Term

Kathy Mulvey
Accountability Campaign Director, Climate & Energy Program

Baton 72/Getty Images

April 4, 2024

The Fossil Fuel Industry Continues Producing Heat-Trapping Emissions that Drive Climate Change

Shaina Sadai
Former Hitz Fellow

UCS

January 10, 2024

Navigating Net Zero Via the Law

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

man standing on roof while holding a solar panel

Kindel Media/Pexels

November 16, 2023

Ask a Scientist: The US Has to Do More to Meet Its Carbon Emissions Reduction Goals

Elliott Negin
Former Contributor