Global Climate 2011-2020:Decade of Acceleration

According to a report from the World Meteorological Organisation (WMO), the decade from 2011-2020 was the warmest ever in history.

The report provides a longer-term perspective and transcends year-to-year variability in our climate.
It reports how extreme events undermines sustainable development and how improvements in early warnings and disaster management reduced the number of casualties.
Released by – World Meteorological Organisation (WMO) at the UN Climate Change Conference (UNFCCC), COP28.
It complements WMO’s annual State of the Global Climate report.
Data source – Physical data analyses and impact assessments from National Meteorological and Hydrological Services, Regional Climate Centres, National Statistics Offices and UN partners.
Key messages of the report
- 2011-2020 was warmest decade on record
- It recorded the lowest number of deaths from extreme events
- Heatwaves caused the highest number of human casualties
- Tropical cyclones caused the most economic damage
- Glaciers around the world thinned by approximately 1 metre per year on average between 2011 and 2020
- Ocean heat and acidification damaged marine ecosystems
- This was the 1^st decade that the depleted ozone hole visibly showed recovery
- Public and private climate finance almost doubled
Recommendations – It emphasizes the need to try to limit global temperature rise to no more than 1.5°C above the pre-industrial era.
Climate finance needs to increase at least 7 times by the end of this decade to achieve climate objectives.

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