1.5°C

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