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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.

Biodiversity ESG: Regulatory Frameworks, Risks, and Opportunities for 2030

Explore biodiversity's role in ESG strategies, key regulations like the EU Biodiversity Strategy 2030, and how businesses can turn risks into opportunities.

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German ClimateTech Startups 2025: CO₂ Solutions & EU Compliance

Discover 4 leading German ClimateTech startups tackling CO₂ reduction and EU compliance. Explore CEEZER, ctrl+s, Cylib & Marvel Fusion's innovations.

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Climate Funding Germany 2025-2026: KfW & Social Climate Fund Guide

Discover German climate funding 2025-2026: KfW programs, Social Climate Fund grants & energy efficiency funding for sustainable companies. Strategic guide.

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Germany Sustainability Trends 2026: CSRD & Net Zero Strategy

Explore 2026 sustainability trends for German companies. Master CSRD compliance, decarbonization targets, circular economy strategies & AI tools.

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5 Essential Criteria to Evaluate Carbon Offset Certificates and Avoid Greenwashing Risks

Learn how to identify high-quality carbon offset certificates with 5 core criteria to avoid greenwashing and ensure real climate impact for your business.

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CSRD Compliance for German Companies: Best Practices & ROI

What actually drives the cost of an ESG report in Germany, and how to decide between an internal team, a tool and an advisor without locking yourself in.

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