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United in Science 2022: Summary of Climate Related Science findings

"United in Science 2022" report was issued last year, with foreword by Antonio Guterres, Secretary-General of the United Nations.

As a multi-organization high-level compilation, this report brings togetherthe most recent science updates related to climate change, impacts and responses.

Here are selected messages from the report:

  1. Concentrations of major Greenhouse Gases (GHGs), including carbon dioxide (CO2), methane (CH4) and nitrous oxide (N20), continue to increase, reaching new record highs

  2. The role of carbon uptake by the biosphere in achieving carbon neutrality would be better understood if supported by more robust atmospheric observations.

  3. Country mitigation pledges are still insufficient to meet the goals of the Paris Agreement

  4. 2015-2021 were the seven warmest consecutive years on record

  5. Ocean Heat Content (OHC) measures how much heat is stored in the ocean. It was higher than any other 5-year period from 2018-2022

  6. Some regions saw great glacial mass loss. In 2018-2021 the Arctic sea-ice extent was below average and in the Antarctic, minimum sea-ice extent reached record lows.

  7. Its 93% probable that at least one year in the next five will be warmer than 2016, the warmest year on record

  8. Cities are major contributors to global GHG emissions, but are also extremely vulnerable to the impacts of climate change. E.g more intense precipitation, sea-level rise, coastal flooding, more extreme heatwaves. In summary, more inequalities to billions of people

  9. More than half of the countries in the world, including the vulnerable ones, do not have early warning systems.

Click at the image below to download the report and here to navigate the interactive data, videos and other midia. And access past editions of the same report.

This report has been compiled on an yearly basis by the World Meteorological Organization (WMO), including key global partner organizations such as UN Environment Programme (UNEP), Global Carbon Project (GCP), United Kingdom Met Office, UN Office for Disaster Risk Reduction (UNDRR), Urban Climate Change Research Network, World Climate Research Programme (WCRP) jointly sponsored by WMO, IOC-UNESCO, the International Science Council (ISC) and the Intergovernmental Panel on Climate Change (IPCC)

And let's wait for eventual evolutions in the 2023 edition.


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“Nothing in life is to be feared, it is only to be understood. Now is the time to understand more, so that we may fear less.”

“I am among those who think that science has great beauty”

Madame Marie Curie (1867 - 1934) Chemist & physicist. French, born Polish.

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