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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.

Unlocking Opportunities with EUDR: A Pathway to Innovation and Sustainability

The EUDR offers a transformative opportunity for businesses and farmers to enhance supply chain transparency, foster innovation, and promote sustainability.

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Navigating Voluntary Biodiversity Credits: A Comprehensive Guide

How biodiversity credits work, how statutory BNG credits differ from voluntary ones, what drives the price and what you may claim under ESRS E4.

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Mastering Measuring and Reporting: A How-to Guide for Financed Emissions

Financed emissions explained: PCAF methodology, SBTi targets, CSRD disclosure requirements and proven strategies for portfolio decarbonisation.

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PPA Accounting Under IFRS: Practical Guide for Energy Companies [2026]

Accounting for power purchase agreements under IFRS 9 and IFRS 16: classification path, lease vs. derivative test, own-use evidence and the 2026 amendments.

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Demystifying ESRS: An introductory Guide to European Sustainability Reporting Standards and CSRD Disclosure Requirements

All 12 ESRS in one table: ESRS 1, ESRS 2, E1 to E5, S1 to S4, G1. Which disclosures are mandatory, who reports from 2027, and what filed reports show.

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The case of Rügenwalder Mühle: Embracing Plant-Based Proteins

What the 2026 EU naming ruling and green-claims law require a plant-based range to prove, and what mid-market manufacturers can copy from Rügenwalder Mühle.

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