Our News
Hydrogen, Scenarios, Industrial transition, Heating transition, Electricity Transition, Transport transition
More new fossil gas heating systems, only tentative progress: energy transition update
Reduced fossil fuel consumption due to the energy crisis, tentative positive signs in the expansion of renewable energy capacities, electric cars and heat pumps – but not fast enough, according to new figures from the Ariadne Transformation Tracker. Moreover, …
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Europe & Green Deal
Ariadne provides insight into their research on energy transition in the context of European climate policy in Brussels
n a three-day series of events in Brussels from December 5-7, 2023, partners from the Kopernikus project Ariadne present important findings from their work that are relevant for the further development of EU climate and energy policy.
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Governance & Institutions
Climate policy in check – an assessment framework for the design of policy pathways
Germany is not “on track” to meet its climate targets by 2030 and 2045. To comply with the Climate Protection Act, the framework conditions should be designed in such a way that businesses and society change their actions and investment …
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Europe & Green Deal
Make greater use of EU emissions trading to ease the burden on national climate targets
European emissions trading (EU ETS) is a core element of EU climate policy, but the European Commission’s proposed revision of the EU ETS is currently having a tough time in the European Parliament. Last week, a majority of MEPs …
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Paths to climate neutrality
Gabriele Tirelli / Unsplash Transport transition
Heliberto Arias / Unsplash Electricity transition
Federico-Beccari / Unsplash Heating transition
Julian Hochgesang on Unsplash Industrial transition
Maxim Tolchinskiy on Unsplash Hydrogen
Peter Schreiber / Shutterstock Tax reform
StellrWeb on Unsplash Governance
Moritz Lüdtke / Unsplash Europa & Green Deal
Christian Lue / Unsplash 
Publications
Report: Mapping variation in institutions for climate policymaking – Climate institutions in Germany, the United Kingdom, Sweden, and Australia
This report seeks to answer three research questions. First, what are climate institutions and how can we characterise them across countries? Second, what effects do climate institutions have on climate policymaking? Third, based on these findings, what lessons can …
Executive summary for policymakers: Mapping variation in institutions for climate policymaking – Climate institutions in Germany, the United Kingdom, Sweden, and Australia
This report seeks to answer three research questions. First, what are climate institutions and how can we characterise them across countries? Second, what effects do climate institutions have on climate policymaking? Third, in light of these findings, what insights …
Background: Assessing Climate Policy Instrument Pathways – An Application to the German Light Duty Vehicle Sector
We introduce and test a novel design and assessment framework for climate policy mix pathways and use it to construct and assess alternative policy pathways offering increased ambition of Greenhouse Gas (GHG) abatement in Germany’s light duty vehicle (LDV) …
Report: Citizen’s Views of Future Energy Worlds – Results of the Ariadne Citizen’s Conference on Electricity Transition
The Ariadne project is shaping a learning process between science, politics, business and civil society in order to provide a broad knowledge base for decisions on the energy transition. Since the beginning of the project, researchers have been working …
Report: Views of Citizens on Four Future Pathways of the Transport Transition – Results of the Ariadne Citizens’ Conference on the Transport Transition
The Ariadne Kopernikus project is shaping a learning process between science, politics, business and civil society in order to provide a broad knowledge base for decisions on the energy transition. Since the beginning of the project, researchers have been …
We are Ariadne
The people behind Ariadne
Prof. Dr. Ottmar Edenhofer
Potsdam-Institut für Klimafolgenforschung & Mercator Research Institute on Global Commons and Climate Change