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December 6, 2023 @ 7:00 am - 11:30 pm


The World Meteorological Organisation (WMO) recently released a comprehensive report titled. The Global Climate 2011-2020: A Decade of Acceleration. The report highlights the alarming acceleration of climate change and its profound impacts on various aspects of the planet.

Key Highlights of the Report:

Temperature Trends:

  • The decade 2011-2020 recorded the highest temperatures on record for both land and ocean.
  • Global mean temperature rose to 1.10 ± 0.12 °C above the 1850-1900 average.
  • Each decade since the 1990s surpassed the previous ones in terms of warmth.
  • 2016 and 2020 were identified as the warmest years, with 2016 influenced by an El Niño event.

Greenhouse Gas Emissions:

  • Atmospheric concentrations of major greenhouse gases (GHGs) continued to rise, reaching 413.2 ppm in 2020.
  • The increase in average growth rates of CO2 emphasized the urgent need for sustainable emissions reduction.

Oceanic Changes:

  • Ocean warming rates accelerated significantly, impacting marine ecosystems.
  • Ocean acidification due to CO2 absorption posed challenges for marine organisms.

Marine Heatwaves and Sea Level Rise:

  • Marine Heatwaves increased in frequency and intensity, affecting 60% of the ocean’s surface.
  • Global mean sea level rise accelerated to 4.5mm/yr from 2011-2020.

Glacier and Ice Sheet Loss:

  • Glaciers globally thinned by about 1 meter/year between 2011 and 2020.
  • Greenland and Antarctic ice sheets lost 38% more ice compared to 2001-2010.

Arctic Sea Ice Decline:

  • Arctic sea ice continued its decline during the summer melt season.

Ozone Hole and Successes:

  • The Antarctic ozone hole diminished in the 2011-2020 period due to successful international action under the Montreal Protocol.
  • Efforts led to reduced chlorine entering the stratosphere from ozone-depleting substances.

Impact on Sustainable Development Goals (SDGs):

  • Extreme weather events hindered progress toward SDGs, affecting food security, human mobility, and socioeconomic development.
  • Improved early warning systems reduced casualties, but economic losses from extreme events increased.
  • The decade saw no single short-term event with 10,000 deaths or more for the first time since 1950.

WMO’s Recommendations for Mainstreaming Action:

  • Enhancing collective resilience through collaboration and cooperation with international organizations.
  • Strengthening science-policy-society interaction for synergistic action.
  • Promoting institutional capacity-building and cross-sectoral collaboration, especially in the global South.
  • Ensuring policy coherence and coordination among policymakers for climate and development synergies.


The WMO’s report underscores the critical need for immediate and collective action to address the accelerated climate change impacting the globe. The recommendations provide a roadmap for mainstreaming climate and development goals, emphasizing the importance of collaboration, science-policy integration, capacity-building, and policy coherence at various levels. As the world faces unprecedented challenges, a concerted effort is imperative to mitigate the adverse effects and work towards a sustainable and resilient future.


December 6, 2023
7:00 am - 11:30 pm
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