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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.

When LCA and Carbon Footprint Analyses Make Sense for Startups: A Guide to Sustainable Growth

Discover when life cycle assessments and carbon footprint analyses benefit startups, helping them grow sustainably and meet investor and legal demands.

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How AI Can Support Your ESG Goals While Tackling Ethical Challenges

Discover how AI drives ESG success by enhancing transparency, fairness, and governance while addressing ethical risks and complying with the EU AI Act.

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ESRS E4 and Biodiversity: What the CSRD Actually Asks You to Disclose

What ESRS E4 requires, how biodiversity impacts and dependencies enter your double materiality assessment, and which screening approach fits your company.

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ESG Data Storytelling: Build Credible Narratives for Investors

ESG storytelling that survives scrutiny: which ESRS or VSME datapoint must sit behind each claim, which patterns invite challenge, and what to say pre-report.

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Rising CO₂ Prices: What Companies Need to Know and How to Stay Competitive

Discover how rising CO₂ prices and EU ETS 2 impact industries and learn strategies to adapt business models for long-term competitiveness.

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VSME Report Example: What a Finished Report Contains, Disclosure by Disclosure

What a VSME report contains: the eleven basic module disclosures, where each number already sits inside an SME, and a walkthrough of a finished report.

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