2024 Hottest Year on Record: WMO Warns Planet Surpasses 1.5°C Threshold

On 15th October 2025, the World Meteorological Organisation (WMO) released its 21st annual Greenhouse Gas Bulletin, confirming that 2024 was the hottest year since records began.

  • •Global temperatures rose 1.55°C above pre-industrial levels, driven by a rapid increase in greenhouse gases and weakening natural carbon sinks, raising urgent concerns about climate impacts worldwide.

Key Findings

  • CO₂ Levels Surge: Reached 424 ppm, the fastest annual rise (+3.5 ppm) in 70 years.
  • Methane & Nitrous Oxide Break Records: Methane (CH₄) at 1,942 ppb, Nitrous Oxide (N₂O) at 338 ppb, together causing nearly 98% of long-term warming.
  • Natural Carbon Sinks Under Stress: Forests and oceans absorbing ....
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Ecology & Environment