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Wissenschaft
Ahead of the G20 summit in Johannesburg/South Africa, on 22 and 23 November 2025, the science academies of the G20 countries, including the German National Academy of Sciences Leopoldina, have issued science-based recommendations developed in the Science20 process. The joint statement “Climate Change and Well-Being”, recommends measures to address the consequences of climate change and to adapt in the areas of health, ecology and technology.
“The most important measure for combating climate change remains a consistent reduction in CO2 emissions,” says Leopoldina President Professor Dr Bettina Rockenbach. “At the same time, it is crucial to consider the consequences of climate change worldwide and to mitigate them particularly in those areas where people are severely affected by increasing weather extremes, resource scarcity and threats to health and well-being.”
In their statement, the G20 science academies recommend, among other things, the One Health approach as a strategy for dealing with the consequences of climate change. It links the health of humans, animals and ecosystems and aims to address issues of climate change, food and water security, energy, biodiversity and environmental pollution across sectors. Recommended measures include monitoring water and air quality, early warning systems and disaster management plans. The G20 science academies also recommend sustainable use of land, water and energy resources, particularly by strengthening local food systems and restoring natural ecosystems. The needs of vulnerable and indigenous groups and their knowledge should be taken into account when adapting to climate change. In order to mitigate climate change, the transformation of the energy system should continue to be a focus and be advanced through new technologies, the establishment of carbon cycle management and market-based approaches.
The statement was drafted under the leadership of the Academy of Science of South Africa (ASSAf) with the participation of members of the Leopoldina. It is available for download on the Leopoldina website: https://www.leopoldina.org/en/s20
The Leaders’ Summit of the 20 major industrialised and emerging countries (G20) on 22 and 23 November 2025 in Johannesburg/South Africa is the ninth in which the scientific community is contributing through the dialogue forum ‘Science20’. The scientific advice process was launched for the G20 summit in 2017 as part of the German G20 Presidency. The G7 summits have also been accompanied by the science academies for more than 15 years.
The Leopoldina on Bluesky: https://bsky.app/profile/leopoldina.org
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The Leopoldina on X: https://www.twitter.com/leopoldina
About the German National Academy of Sciences Leopoldina:
As the German National Academy of Sciences, the Leopoldina provides independent science-based policy advice on matters relevant to society. To this end, the Academy develops interdisciplinary statements based on scientific findings. In these publications, options for action are outlined; making decisions, however, is the responsibility of democratically legitimized politicians. The experts who prepare the statements work in a voluntary and unbiased manner. The Leopoldina represents the German scientific community in the international academy dialogue. This includes advising the annual summits of Heads of State and Government of the G7 and G20 countries. With around 1,700 members from more than 30 countries, the Leopoldina combines expertise from almost all research areas. Founded in 1652, it was appointed the National Academy of Sciences of Germany in 2008. The Leopoldina is committed to the common good.
Media Contact:
Julia Klabuhn
Acting Head of the Science Communication Department
Tel: +49 (0)345 472 39-800
Email: presse@leopoldina.org
https://www.leopoldina.org/en/leopoldina-home/
Merkmale dieser Pressemitteilung:
Journalisten, Wissenschaftler, jedermann
Energie, Geowissenschaften, Meer / Klima, Umwelt / Ökologie, Wirtschaft
überregional
Kooperationen, Wissenschaftliche Publikationen
Englisch
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