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Knowledge4Policy
Knowledge for policy
Supporting policy with scientific evidence

We mobilise people and resources to create, curate, make sense of and use knowledge to inform policymaking across Europe.

  • Publication | 2025
State of the Global Climate 2024

The clear signs of human-induced climate change reached new heights in 2024, which was likely the first calendar year to be more than 1.5°C above the pre-industrial era, with a global mean near-surface temperature of 1.55 ± 0.13 °C above the 1850-1900 average.

Global Food and Nutrition Security

Key messages

  • Key climate change indicators again reach record levels
  • Long-term warming (averaged over decades) remains below 1.5°C
  • Sea-level rise and ocean warming irreversible for hundreds of years
  • Record greenhouse gas concentrations combined with El Niño and other factors to drive 2024 record heat
  • Early warnings and climate services are vital to protect communities and economies