Technisches Hintergrundpapier zur Szenarienanalyse: Methoden und Annahmen zum Vergleich deutscher Treibhausgasneutralitätsszenarien

Summary

This document addresses the challenge of consistently comparing various scenarios for achieving greenhouse gas neutrality in Germany by 2045, particularly concerning the role of natural and technical carbon sinks. The approach involves developing a unified accounting methodology and assumptions, including a "waterfall structure" for emission categories and definitions for different types of carbon capture and utilization (CCU). The technical background paper, published in September 2025, provides the framework for such comparisons, identifying and explaining accounting challenges like double counting, and serves as a foundational study for future scenario analyses.

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