Publications

Publication:Policy Brief
 
Double chat showing the EU LNG imports from non-EEA countries from 2019 to 2025, in bcm and as share
Based on a novel analysis covering the entire European Economic Area (EEA, notably including Norway), this policy brief shows that US gas imports into the EEA sharply surged in 2025. They now account for almost 40% of total EEA gas imports and nearly 60% of LNG imports. This trend exposes Europe to heightened geopolitical pressure, price volatility and the risk of stranded assets.

Europe's Selective Blindness on Gas: US LNG and the Limits of Supply Diversification

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Publication:Report
 
This report contributes to a better understanding of the economic implications of climate change adaptation across the European Union. Its central objective is to analyse three key dimensions: the costs of adapting to climate change, the costs of inaction, and current levels of adaptation funding. The analysis focuses on three climate-sensitive sectors of strategic importance for the EU economy and society: transport, energy, and agriculture.

Knowledge Development and Application Concerning Costs of Adaptation Compard to Costs of Inaction

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Publication:Case Study
 
This paper examines the penalty provisions in the draft Romanian implementing law proposed by the Romanian government on 22 July 2025. It briefly considers the draft's legislative status, assesses its compliance with EU-MER, and compares it with good practice in Denmark and with Italy's draft law.

Romania's Draft Penalty Rules for Violations of the EU Methane Regulation

Assessment of the draft law of 11 November

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Publication:Case Study
 
This paper examines the penalty provisions in the draft Czech implementing law submitted on 11 November 2025 by the Minister for the Environment to the Prime Minister. It briefly considers the draft's legislative status in light of the political situation following the 3–4 October general election, assesses its compliance with the EU-MER, and compares it with good practice in Denmark and with Italy's draft law.

Czechia's Draft Penalty Rules for Violations of the EU Methane Regulation

Assessment of the draft law of 11 November

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Publication:Fact Sheet
 
This fact sheet summarizes the information contained in the publication Burgos Cuevas et al. (2025): Moving from interconnected crises to systemic solutions. Resource efficiency, nature-based solutions, and systemic transformation as responses to the complexity of the triple planetary crisis. Interim report, Climate Change 83/2025. German Environment Agency: Dessau-Roßlau. https://doi.org/10.60810/openumwelt-8108.

Moving from Interconnected Crises to Systemic Solutions

Resource efficiency, nature-based solutions, and systemic transformation as responses to the complexity of the triple planetary crisis

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Publication:Report
 
The triple planetary crisis is a systemic challenge, not three separate issues: climate change, biodiversity loss, and pollution reinforce one another through shared drivers and feedback, threatening planetary and human well-being. It is driven by fossil fuel dependence, unsustainable production and consumption, overexploitation of land and resources, and structural inequalities. The analysis concludes that the triple crisis can only be effectively addressed through systemic, cross-sectoral, and justice-oriented approaches. By linking resource governance, NbS, and transformative change, this report highlights how today’s triple crisis can be turned into an opportunity to regenerate ecosystems, reduce inequalities, and build resilient societies within planetary boundaries.

Moving from Interconnected Crises to Systemic Solutions

Resource efficiency, nature-based solutions, and systemic transformation as responses to the complexity of the triple planetary crisis

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Publication:Policy Brief
 
The EU must rethink its energy security in light of increasingly renewable, decentralized, and electrified energy systems. Energy security already benefiting from the early start of the energy transition. In the transition phase now beginning, a forward-looking and adaptable approach is needed to maximize synergies and manage potential conflicts between decarbonization and energy security.

Europe's Energy Security on the Path to Climate Neutrality

Devising a resilience strategy for the mid-transition

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Publication:Report
 
How can the EU stay on track to climate neutrality – despite tightening budgets and rising geopolitical pressure? A new Ariadne background paper reviews the Fit for 55 package, discusses open questions for the post-2030 period, and outlines options for a more coherent EU policy architecture.

Staying the Course in Turbulent Times

Insights on the current state and ways forward for the EU's climate, energy and finance policy architecture

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Publication:Report
 
Cover page of the report “International Oil Extraction Levy – Design recommendations and impact analysis,” published by Ecologic Institute and the Federal University of Rio de Janeiro (UFRJ). Authors: Prof. Dr. Luan Santos, Dr. Michael Jakob, Jonathan Gardiner, Flora Dicke, and Benjamin Görlach. Publication date: 27 June 2025.
This report explores the design and implications of an international oil extraction levy as a mechanism to mobilize new sources of climate finance. The assessed levy places a price on the embedded CO₂ in extracted crude oil, increasing production costs and likely raising oil prices for final consumers. By internalising part of the climate costs of fossil fuels, the mechanism aligns with the polluter pays principle.

International Oil Extraction Levy

Design recommendations and impact analysis

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Publication:Book
 
Cover of the 2025 edition of Eurostat’s “Overview of progress towards the SDGs in an EU context.” The design mirrors the full report cover, featuring a white tree with multicolored leaves, this time on a grey-blue background. The Eurostat and SDG logos appear below the tree.
The 2025 overview brochure accompanies Eurostat's ninth regular report monitoring progress towards the SDGs in an EU context. Ecologic Institute's authors covered the chapters on SDG 2 (Zero Hunger), SDG 6 (Clean Water and Sanitation), SDG 7 (Affordable and Clean Energy), SDG 13 (Climate Action), SDG 14 (Life Below Water), SDG 15 (Life on Land) and SDG 17 (Partnerships for the Goals). The brochure is available for download.

Sustainable Development in the European Union – 2025 Overview

Overview of Progress Towards the SDGs in an EU Context

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Publication:Book
 
Cover of the report titled 'Sustainable development in the European Union: Monitoring report on progress towards the SDGs in an EU context, 2025 edition' by Eurostat. The design features shades of blue with a colorful tree graphic in the lower half.
Eurostat's "Sustainable Development in the European Union: Monitoring Report on Progress towards the SDGs in an EU Context" (2025 edition) offers the ninth comprehensive assessment of the EU's journey toward the 17 Sustainable Development Goals. Researchers from Ecologic Institute authored the chapters on Zero Hunger (SDG 2), Clean Water and Sanitation (SDG 6), Affordable and Clean Energy (SDG 7), Climate Action (SDG 13), Life Below Water (SDG 14), Life on Land (SDG 15) and Partnerships for the Goals (SDG 17), providing rigorous, policy-relevant evidence.

Sustainable Development in the European Union – 2025

Monitoring Report on Progress Towards the SDGs in an EU Context

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Publication:Report
 
Cover of Ecologic Institute's report entitled "Integrating Hydrogen Emissions Into the EU Policy Framework. Why hydrogen emissions matter, when they will become significant, and how the EU can tackle them"
While hydrogen (H2) emissions make up a negligible fraction of today's GHG emissions, they are set to become more significant in the 2030s and, should the EU and the global community progress towards climate neutrality, will likely be substantial in the 2040s, as achieving climate neutrality requires the expansion of hydrogen use alongside the rapid reduction of other GHGs. As decisions made today will shape hydrogen value chains for decades, this paper develops a series of policy proposals to implement a four-pronged strategy.

Integrating Hydrogen Emissions Into the EU Policy Framework

Why hydrogen emissions matter, when they will become significant, and how the EU can tackle them

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Publication:Infographic
 
Illustration of a future scenario titled "If We Finally Take Action…" depicting a sustainable landscape in 20 to 30 years. The negative scenario shows the consequences of inadequate climate protection. Plus symbols highlight different aspects of sustainable development. The graphic is created by NABU/Ecologic Institute.
This interactive infographic shows what the future could look like in 20 to 30 years - in two scenarios: one with resolute climate protection and another scenario that leaves everything as it is. The intention is to make the consequences of climate change more tangible and to illustrate the urgency of climate protection measures.

Wie sehen die Folgen der Klimakrise aus?

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Publication:Document
 
The analysis by Ariadne project partners examines Germany's climate foreign policy during the current legislative period. Beyond the international context, they also consider the organizational structure within the German government and the responsible ministries. The researchers conclude that Germany has been able to set the pace for international climate policy by transferring the responsibility for international climate policy to the Foreign Office and creating the role of Special Envoy for International Climate Policy. In contrast, the record of Germany's engagement in bilateral and plurilateral formats has yielded mixed results.

Deutschlands Klimaaußenpolitik: Kontext – Rückschau – Weiterentwicklung

Ariadne-Analyse

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Publication:Report
 
Cover page of the final report titled 'Rechtsgutachten zur Krisenfestigkeit des EU-ETS' (Legal Opinion on the Resilience of the EU-ETS). The report is part of the 'Climate Change 43/2024' series. Authors include Lina-Marie Dück and Madeleine Pumberger from the Ecologic Institute in Berlin, and Michael Jakob from Climate Transition Economics, Berlin. The report is published by the Umweltbundesamt (German Environment Agency), and the blue cover features the Umweltbundesamt logo at the bottom.
This report analyses the resilience of the European Emissions Trading System (EU ETS) and shows how global crises such as the COVID-19 pandemic or the war in Ukraine can affect its operation. In view of rising energy prices and economic uncertainties, it becomes clear that the EU ETS needs to improve its legal resilience to crisis situations. The report highlights necessary reforms to make emissions trading more resilient and effective in the future.

Rechtsgutachten zur Krisenfestigkeit des EU-ETS

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