"Addressing systemic risks in a changing climate: Science and technology in support of cross-sectoral decision-making", G7 Statement (2023)
In their statements, the G7 science academies identify three major current challenges: the consequences of anthropogenic (human-made) climate change, the socioeconomic impact and health implications of the COVID-19 pandemic, and Russia’s war of aggression against Ukraine. These three converging and mutually reinforcing crises highlight the urgent need for action. With regard to climate change, there are currently significant shortfalls in meeting the Paris climate goals: both in terms of the pledges to mitigate climate change and in terms of delivering the necessary reductions in greenhouse gas emissions. The statements explain that rapid and decisive action is needed to address multiple crises and to advance the development of more resilient societies.

"Restoration and recovery of the ocean and its biodiversity", G7 Statement (2023)
The ocean is a global, interconnected body of saltwater and covers approximately 70% of the Earth’s surface. The ocean’s biodiversity consists of complex systems. Researching their mechanisms, including the long-term perspective of evolution, is crucial to understanding the effects of human intervention in the marine ecosystem and its biodiversity. It is therefore crucial to foster joint, long-term efforts, for example expanding international databases and observation networks as well as training suitable experts.

"Earth System Science – Discovery, Diagnosis, and Solutions in Times of Global Change", Report on Tomorrow's Science (2022)
In order to understand the Earth as one system and find effective solutions for global challenges, German Geosciences need to be modernised with Earth System Science as the future operating framework. This is the recommendation made by the German National Academy of Sciences Leopoldina in its Report on Tomorrow’s Science “Earth System Science: Discovery, Diagnosis, and Solutions in Times of Global Change” published today. The report provides an overview of the field of research and proposes steps to be taken to establish the concept.

"Ocean and Cryosphere: The Need for Urgent International Action", G7 Statement (2022)
Ocean and cryosphere act as one of our planet’s most efficient early warning systems for climate change. Both in Antarctica and Greenland, ice loss has strongly accelerated. The rate of sea level rise has more than doubled in the last two decades. Warming and acidification of the ocean have significant impacts on the global climate. The permafrost thaw further intensifies global warming. In view of these dramatic developments, the G7 Academies call for a massive reduction in greenhouse gas emissions, the global protection of marine ecosystems, the engagement of all forms of knowledge for solutions, and the enhancement international scientific cooperation and data sharing for an Earth observation and forecasting system.

"Decarbonisation: The Case for Urgent International Action", G7 Statement (2022)
Decarbonisation is central for achieving the goals of the Paris Climate Agreement, in which 196 countries have committed to significantly reduce their greenhouse gas emissions in order to limit global warming. This includes the expansion of renewable energies for electricity generation and the decarbonisation of traffic and transport as well as entire industries. Significant emission reductions in agriculture are critically important. To accelerate the transition to a world with net zero greenhouse gas emissions, the G7 Academies call for building a carbon-neutral and resilient energy system, strengthening international cooperation towards a just energy transition worldwide by introducing a renewable energy trading system and a global CO2 pricing mechanism, strengthening climate literacy and citizen involvement, and promoting technological and social innovation towards climate neutrality.

"Climate change: causes, consequences and possible actions", Factsheet by the National Academy of Sciences Leopoldina (2021)
Why is swift action to protect the climate so important and what is the scientific basis for calculations on causes and consequences of climate change? The Leopoldina explains this in its “Factsheet climate change: causes, consequences and possible actions”.

"Climate neutrality: Options for setting the right course and ambitious delivery", Position Paper by the German National Academy of Sciences Leopoldina and the German Council for Sustainable Development (2021)
The German National Academy of Sciences Leopoldina and the German Council for Sustainable Development (RNE) have published a joint position paper presenting paths to climate neutrality by 2050. In it, the Leopoldina and the RNE highlight options for action to effect the changes needed within society, at political level and in the business world, in view especially of the urgency and the historic dimensions of the transformation we face. With the paper, the Leopoldina and the RNE are consciously not seeking to engage in a race to set the most ambitious target. They are instead offering an options paper for setting the right course and covering the key implementation steps.

"A net zero climate-resilient future – science, technology and the solutions for change", G7 Statement (2021)
Climate neutrality by 2050 requires an evidence-based technology roadmap that is informed and continuously updated by all the sciences, the G7 Academies write in their statement, “A net zero climate-resilient future – science, technology and the solutions for change”. In addition, necessary investments in research and development in the public and private sectors must be accelerated, and jointly agreed economic incentives created, the experts recommend. They also call for supporting middle- and low-income countries on the road to climate neutrality.

"Energy transition 2030: Europe's path to carbon neutrality", Ad hoc Statement by the German National Academy of Sciences Leopoldina, acatech – National Academy of Science and Engineering and the Union of the German Academies of Sciences and Humanities (2020)
With the European Green Deal, the European Union has set itself the goal of operating carbon-neutral by 2050. An important element of this commitment is an energy transition away from the use of fossil energy carriers towards generation and use of renewable energies. To this end, the German Academies of Sciences recommend “no regret” measures, the introduction of a standard cross-sector CO₂ price, including a minimum price, and comprehensive changes to the infrastructure. With their ad hoc statement, “Energy transition 2030: Europe's path to carbon neutrality”, the academies present a compact series of recommendations in light of the German EU Council Presidency starting on 1 July.

"Climate targets 2030: Towards a sustainable reduction of CO2 emissions", Ad hoc Statement by the German National Academy of Sciences Leopoldina (2019)
Deutschland und die Weltgemeinschaft haben sich im Pariser Klimaabkommen 2015 dazu verpflichtet, die menschengemachte globale Erwärmung der Erde auf weniger als 2°C zu beschränken. Dieses Ziel ist nur noch zu erreichen, wenn sofort sowohl nationale wie auch internationale Vereinbarungen eingehalten werden. In der Ad-hoc-Stellungnahme „Klimaziele 2030: Wege zu einer nachhaltigen Reduktion der CO₂-Emissionen“ fordert die Nationale Akademie der Wissenschaften Leopoldina deshalb einen unmittelbaren Transformationsschub und beschreibt Sofortmaßnahmen zum Schutz des Klimas, die schnell sozialverträglich und innovationsfördernd Wirkung entfalten können.