Skip to content

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.

Reducing Scope 2 Emissions with Energy Attribute Certificates (EACs): Strategies and Compliance

Strategic guide to energy attribute certificates for Scope 2 accounting: hourly matching requirements, CSRD compliance, quality selection, and procurement strategies for 2026 and ...

Read More →

AI for ESG Reporting: ChatGPT, Claude & Perplexity

Compare AI tools for climate risk analysis and ESG reporting in 2026: ChatGPT, Perplexity, Claude environmental impact, use cases, accuracy, reporting integration.

Read More →

EU AI Act for ESG and Carbon Accounting Software: Risk Class, Deployer Duties, Deadlines

Which EU AI Act rules apply to carbon accounting, ESG screening and climate risk AI: risk class by use case, provider vs deployer, deadlines to 2 August 2026.

Read More →

Supply Chain Compliance 2024: 7 Steps for ESG & Legal Requirements

Master supply chain sustainability in 2024. 7 actionable steps to comply with CSDDD & LkSG, reduce costs, and meet investor demands. Expert guide.

Read More →

Preparing for New ESG Reporting Requirements: China and EU Frameworks Explained

China's CSDS, the MOF Basic Standard and the 2024 exchange guidelines: who files, from when, how they track IFRS S1 and S2, and how they compare with CSRD.

Read More →

Unlocking Long-Term Value: How ESG Data Drives Business Success Beyond Compliance

How to integrate ESG data across finance, operations and supply chain systems: architecture patterns, standardisation, data quality and assurance. Practical roadmap with the ...

Read More →