The United Nations confirms that the Earth's temperature has already risen by 1.5 degrees Celsius.

Omissions

• The claim conflates a single calendar year (2024) exceeding 1.5°C with the long-term global warming level, which is lower (~1.3–1.4°C over the last decade). The UN/WMO itself stresses that the 1.5°C Paris Agreement limit refers to a long-term average, not to a single year.
• More recent data available before the session: WMO's State of the Global Climate 2025 report confirms 2015–2025 as the 11 hottest years on record, with 2025 at roughly 1.43°C and a 2023–2025 three-year average of 1.48°C above pre-industrial — i.e., slightly below the 1.5°C single-year peak of 2024.

Sources

• PrimaryWMO — WMO confirms 2024 as warmest year on record at about 1.55°C above pre-industrial levelWMO confirms 2024 as warmest year on record at about 1.55°C above pre-industrial level. The past ten years 2015-2024 are the ten warmest years on record.
• PrimaryUnited Nations — 1.5°C: what it means and why it mattersThe year 2024 was the warmest year in the 175-year observational record, with a global mean near-surface temperature 1.55°C above the 1850–1900 average.
• PrimaryWMO — WMO confirms 2025 was one of warmest years on recordThe consolidated three-year average 2023-2025 temperature is 1.48 °C (with a margin of uncertainty of ± 0.13 °C) above the pre-industrial era.