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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.

Avoiding Greenwashing and Driving True Sustainability: Strategies for Credible ESG Communication

Learn how companies can avoid greenwashing, set clear sustainability goals, use data-driven claims, and build trust through transparency and external verification.

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TRL and LCA in Product Development: Early Sustainability Integration

Learn how combining TRL and LCA frameworks helps identify and reduce environmental impacts in early product development phases. Practical guide for sustainable innovation.

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EU Product Environmental Footprint (PEF): A Clear Guide for Product Teams

Cut through PEF complexity: this guide explains methods, categories and use cases so product teams can act with confidence.

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EU ETS 2 Explained: How Emissions Trading Expands to Buildings & Transport

The EU ETS 2 launches in 2027 covering buildings, road transport, and small industry. Timeline, carbon price projections, compliance obligations, and preparation steps.

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EU Omnibus Measures Simplify Corporate Sustainability Reporting: Key Changes & Benefits

Discover how the EU Omnibus Package simplifies sustainability reporting, reduces costs, and extends deadlines for companies under the CSRD framework.

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ESG APIs: Streamlining Sustainability Data Management and Reporting

Discover how ESG APIs automate sustainability data integration, reporting, and monitoring to ensure compliance with CSRD and EU Taxonomy regulations.

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