State of the Global Climate 2024; WMO
This is the warmest year in the 175-year observational record. The State of the Global Climate 2024 report underlined the massive economic and social upheavals from extreme weather and the long-term impacts of record ocean heat and sea-level rise.
Featured articles explore progress towards the Paris Agreement goals and the drivers behind 2024’s record heat. Supplementary reports detail climate services and major events, including floods, droughts, tropical cyclones and wildfires, underscoring the urgent need for stronger early warning systems and investment in climate services to protect lives and livelihoods.
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