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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.

ISO 14091 & CSRD: New Climate Risk Standards for EU Companies in 2026

Starting in 2026, EU companies must comply with ISO 14091 and CSRD standards for climate risk reporting. Learn how to prepare, implement, and leverage these requirements for ...

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Double Materiality: A Strategic Approach to CSRD Compliance in 2026

Learn how double materiality assessment helps EU companies meet CSRD requirements while identifying sustainability risks and opportunities. Practical implementation guide for 2026 ...

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ESG Metrics for VC Due Diligence: Startup Funding Guide

Learn which ESG metrics matter most to VCs. Master impact metrics, frameworks & tools to strengthen your startup's funding pitch and investor appeal.

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Essential ESG Metrics for Climate VCs in 2026: CO₂ Intensity, Avoided Emissions, and Social Impact

Discover which ESG metrics will be crucial for Climate VCs in 2026: CO₂ intensity, avoided emissions, and social impact. Learn how to meet CSRD and EU Taxonomy requirements.

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Water Risk Assessment for Companies: Tools and Strategies for 2025

Complete water risk assessment guide for 2026: best tools, WRI Aqueduct methodology, scenario analysis, CSRD/ESRS E3 alignment, software comparison for companies.

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Implementing the TNFD Framework: A Practical Guide for Biodiversity Integration

Learn how to implement the TNFD framework with the LEAP approach to assess nature-related risks, integrate biodiversity into your ESG strategy, and prepare for future EU ...

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