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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.

How to avoid the trap of greenwashing marketing

Avoid greenwashing in marketing: learn how to build trust, comply with regulations, and develop genuine sustainability strategies for your brand.

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How to reduce the carbon footprint of your marketing mix

Reduce your marketing mix's carbon footprint: practical tips for sustainable digital, print, OOH, and device usage to lower your environmental impact.

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Carbon Reduction vs. Compensation: A Strategic Guide for Companies in 2026

Carbon offsetting vs. CO2 reduction in 2026: understand carbon credits, EU regulations, and when carbon compensation truly makes strategic sense.

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

CBAM regulation guide: registration steps, reporting obligations, default values strategy, and certificate compliance for EU importers in 2026.

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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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