2024 Confirmed as Warmest Year Ever, Breaking Critical Climate Thresholds

Global temperatures exceeded 1.5°C above pre-industrial levels for the first time, with accelerating climate impacts and calls for urgent action.

The WMO's latest report confirms 2024 as the warmest year in 175 years of weather observation, with average temperatures 1.5°C above pre-industrial levels.
Atmospheric CO2 concentrations surpassed 420 ppm, the highest level in 800,000 years, driven by ongoing fossil fuel emissions.
Ocean heat content and sea level rise hit record highs, with rates of change accelerating and impacts expected to last centuries or longer.
Arctic and Antarctic ice loss reached unprecedented levels, with the three smallest Antarctic ice extents recorded in the last three years.
The UN Secretary-General urged governments to adopt new climate plans and expand renewable energy use to mitigate escalating risks and costs.