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Johannes Fiegenbaum

Johannes is a sustainability consultant and early-stage climate tech investor. With a background in marketing technology, he now helps companies grow sustainably—whether through ESG strategy, carbon accounting, or positioning for Article 9 VC funds. He regularly writes about corporate decarbonisation, product LCAs, and climate innovation, drawing on hands-on experience with startups, investors, and sustainability leaders across Europe.

Carbon Reduction vs. Compensation: A Guide for Companies

CO2 compensation or CO2 reduction for companies? An overview of the various ways in which companies...

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Understanding Geo Lift Testing in Marketing: A Comprehensive Guide

This article explains how Geo Lift Testing helps to understand the effectiveness of marketing...

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CBAM Regulation: Registration, reporting obligations and standard values simply explained

Find out how to register on the CBAM website, fulfill your reporting obligations, calculate default...

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The Power of Life Cycle Assessment: A Guide for Companies

Learn why life cycle assessment is crucial for companies to reduce CO2 emissions and position...

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Optimizing Meta's Conversion API: Enhancing Event Match Quality and Deduplication

Meta's Conversion API is the standard for browser-independent conversion tracking. As adblockers...

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