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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.

The Power of Life Cycle Assessment: A Guide for Companies

Life cycle assessment (LCA) fully explained: how companies reduce environmental impact, boost sustainability, and gain real competitive advantage.

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Understanding TNFD: Integrating Nature Risks and Opportunities in Financial Decisions

The TNFD framework explained: how to identify, assess and disclose nature-related risks and opportunities — with practical implementation steps and CSRD/ESRS E4 alignment.

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Mastering Life Cycle Assessment: Steps, Software, and Impact Analysis

Complete guide to life cycle assessment software in 2026: top LCA tools compared, methodology steps, ISO 14040/44 alignment, impact categories, cradle-to-grave analysis.

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The Green Claims Directive: Impact on companies and their marketing claims

Green Claims Directive: how it impacts marketing claims, prevents greenwashing, and why compliance protects your brand legally and reputationally.

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