Climate · Geneva, Switzerland · October 28, 2026

WMO: greenhouse gases hit record highs in 2025

Reported by 3 outlets · first reported Oct 28, 8:00 AM ET

Carbon dioxide averaged 426.8 ppm. Methane and nitrous oxide also hit records.

Why it matters

Rising gases drive warming.

Background

The WMO is the UN weather agency.

The story so far

1. Oct 21UN warns El Niño could be strongest on record
2. Oct 22WMO says El Niño could be strongest on record
3. Oct 27Greenhouse gases hit record highs in 2025
4. Oct 28WMO: greenhouse gases hit record highs in 2025

Follow the whole story →

Sources

• AFP via France 24 via Wikipedia ↗October 27, 2026
• UN News ↗Oct 28, 8:00 AM ET

This summary was written automatically from the reporting linked above; follow the sources for the full story. How One Turn works.

See it on the globe →All of Oct 28's stories