Publications
Life cycle assessment and circularity in practice: A Level(s) 2 case study of the GEFION timber-based small campus building. Foerster, N.; Fiegenbaum, H.; Schindler, V.; Marques Dreer, E.; Alves Vinha, L.; Valenzuela, N. A.; Matzdorf, K. Sustainable Cities and Society: Advances.(2026). Full article. doi: https://doi.org/10.1016/j.scsadv.2026.100108
Decentralized Internet of Things-Networks in Environmental Data Pipelines - opportunities and challenges in a community-based urban green space restoration project in Nairobi, Kenya. Fiegenbaum, H., Azegele, B. & Seider, S. Frontiers in Blockchain: Blockchain for Good. (2026) Full article
Contributing Author to Chapter 3 of the IPBES Business & Biodiversity Assessment report: IPBES (2026). Methodological assessment of the impact and dependence of business on biodiversity and nature’s contributions to people of the Intergovernmental Science-Policy Platform on Biodiversity and Ecosystem Services. Rueda X., Jones M., Polasky S., (eds.). IPBES secretariat, Bonn, Germany. DOI: 10.5281/zenodo.17185116
Classifying Climate Benefits and Addressing Trade-offs of Timber Use in Buildings for Voluntary Carbon Markets and the EU Carbon Removal Certification Framework. Fiegenbaum, H. (2025) Policy Brief.
EuropaBON Essential Biodiversity Variables workflow templates. Lumbierres, M. et al. (2024) Zenodo record, 2024.
Hooks. Tools made by New Caledonian Crows. Fiegenbaum, H. in: +ULTRA. WISSEN SCHAFFT GESTALTUNG, 2016. - BERLIN, MARTIN-GROPIUS-BAU - Katalog hrsg. von Nikola Doll et al., Berlin 2016.
Jacob Berend Bakemas »Pendrecht-Alexanderpolder Grid, a selection of the grid presented at CIAM X«. Fiegenbaum, H. in: +ULTRA. WISSEN SCHAFFT GESTALTUNG, 2016. - BERLIN, MARTIN-GROPIUS-BAU - Katalog hrsg. von Nikola Doll et al., Berlin 2016.
Preprints & Work in progress
Fiegenbaum (2026). Nature credits as co-allocation and co-financing Instruments in environmental policy and nature positive business and finance. Preprint available under SSRN.
Fiegenbaum, H.; Dimitrijevic, J.; Borges Matos, C.; Calderucio Duque Estrada, G.; Ross, A.; Costa, H.; Božić, B. ; Maron, M. (2026). Integrating ecological and business values: Biodiversity impact avoidance in site- and project-related corporate decision making. Under review.
Fiegenbaum (2024). Complementing Carbon Credits from Forestry with Biodiversity Insurance and Resilience Value. Preprint, Preprint 2024.
Media & Interviews
EU expert sets priorities for bloc-wide nature market regulation. Interview with Carbon Pulse / Nature & Biodiversity Pulse on nature credit market development and market policy in the EU. Read interview
NGFS widens nature risk research as central banks grapple with biodiversity threats. Claudia De Meulemeester (2026), Green Central Banking. Commentary contribution on the NGFS expansion of its work on nature-related financial risks and the modelling of interactions between climate and nature risks. Read article
Selected Talks, Presentations & Panel Discussions
COP 17 to the Convention of Biological Diversity in Yerevan, Armenia – Session co-organization at the Business and Finance Hub on “From Boardroom to Biome: How Targets 14 & 15 Drive Delivery of Targets 1 & 3” with global partners from IUCN IMEC, Flora and Fauna International, Wildlife Conservation Society, WSP Global, University of Sao Paolo, Cambridge Conservation Initiative, Leipzig University, University of Queensland, UNEP-WCMC, Milvus Consultancy – 22 October 2026.
COP 17 to the Convention of Biological Diversity in Yerevan, Armenia – Session co-organisation at the Dutch Pavilion on “From Fragmented Instruments to Connected Infrastructure: Building the EU’s Nature Finance and Governance Landscape” with NABU, IUCN IMEC, Leipzig University, The Landbanking Group, Ecogain, Etifor – Valuing Nature, Netherlands Enterprise Agency, European Commission, IUCN – 21 October 2026.
StanCon 2026, International Conference on Bayesian Inference and Probabilistic Programming. Poster presentation on Bayesian Decision Model for Forest Investments, together with Dr. Juan Camilo Orduz, Uppsala, Sweden – 17-21 August 2026.
World Biodiversity Forum 2026. Presentation on evaluating biodiversity offsetting markets, Session on Biodiversity Finance, Davos, Switzerland – 14-19 June 2026.
Nature Action Dialogues 2026. Presentation with the IBAT Alliance and IUCN IMEC group on Avoidance of impacts on species and ecosystems in site-related business decision-making in a session led by the IBAT Alliance, Cambridge, UK – 12-14 May 2026.
HypZert GmbH & Bauwende Allianz. Webinar on integration of circular design and residual value in real estate valuation and real estate finance with around 300 valuation experts, held together with partners from finance, circular economy and real estate, Germany – December 2025.
RIFS Conference 2025. Tough Conversations in Tough Times. Panel on Agroecology and Business Engagement, Berlin, Germany – December 2025.
Sustainable Finance Live, Focus on Resilient Infrastructure. Panel on Accounting for Resilience, London, UK – November 2025.
IUCN World Conservation Congress. Online-Facilitator for Motion 073 and 085 on Nature Positive Strategy for Business, Abu Dhabi, UAE – October 2025.
XXVI Annual BIOECON Conference, Integrating Biodiversity Conservation and Climate Change Solutions. University of Cambridge, St. John’s College, Cambridge, UK, Presentation and Session Chair for Session on Biodiversity and Climate Change – September 2025.
Funding the Commons – Exploring New Models & Mechanisms for Public Goods Funding. Berlin, Focus on Resilient Infrastructure, Panel on Dynamic Ecological Stewardship – June 2025.
Stockholm Resilience Centre, Oxford Sustainable Finance Group, Stanford Natural Capital Project: FinBio Webinar. Project presentation on Natural Capital valuation of forests for carbon, biodiversity and resilience value, Online workshop – March 2025.
Sustainable Finance Lab Stockholm, Stockholm Resilience Centre, KTH Stockholm. Roundtable on Biodiversity and Resource Efficiency in Real Estate, Workshop Presentation on LCA and LCIA for the built environment across multiple objectives – February 2025.
Capitals Coalition. Webinar presentation on applying Capitals Protocols, the Integrated Framework for Decision-Making, and the Governance for Valuation Framework to the Built Environment – February 2025.
Ecosystem Services Conference, Wageningen Congress Center. Presentation on complementing carbon credits from forest-related activities with biodiversity insurance and resilience value – November 2024.
World Biodiversity Forum, Davos. As co-convener of a session on using Blockchain, AI, IoT and eDNA for biodiversity monitoring and conservation finance with Professor Kristy Deiner from ETH Zürich / Simplex DNA, Presentation on a decentralized data infrastructure for ecological data exchange – June 2024.
Women & Climate, Berlin. “Financing the Climate Transition” Round Table Discussion – May 2024.
IAIA, Dublin. Presentation on AI, IoT, Blockchain-based and integrative data solutions for environmental monitoring: Innovative Data Sharing and Governance for a Just Transition, Dublin, Ireland – April 2024.
Impact Hub Stuttgart. Digital Passport for Sustainable Buildings and Whole Life Dynamic Carbon Accounting, co-presenter at sustainable construction workshop, Stuttgart, Germany – February 2024.
Luxembourg Blockchain Week. Panel discussion on digital MRV for carbon credit projects, Luxembourg – October 2023.
Tropentag Conference, Humboldt University and ZALF, Berlin. Co-convener of workshop on digital infrastructure for impact reporting in rural and agricultural projects (with Ronald Steyer, KfW and Kayo Stelter, WeltWeit e.V.) – September 2023.
Sustainable Industry 4.0 and IoT Community, Stuttgart. Presentation on use of blockchain for MRV in PES schemes – September 2023.
Funding the Commons by Protocol Labs, Berlin. Panel discussion on environmental and social impact assessments – September 2023.
Regenerative Finance Summit, Paris. Panel discussion on Green FinTech applications within sustainable finance – June 2023.
Regenerative Finance Summit, Munich. Presentation on urban green space ecosystem services metrics, digital MRV, and community-based restoration project – May 2023.
Positive Blockchain, Berlin. Presentation on technological advancements for MRV and environmental data management in urban green space project in Nairobi, Kenya – February 2023.
Regenerative Finance Meetups, Berlin. Organizer and presenter – 2022-2023.
University of Hildesheim. Workshop presentation with Prof. Andreas Hetzel on governance of community-based restoration projects – 2022.
Leipzig University, Institute for Medical Informatics, Statistics, Epidemiology. Yearly Colloquium presentation on “Functions in Artifact Ontology” – 2022.
Freie Universität Berlin. Master Thesis presentation “Technical Artifacts and Functions” in colloquium with Prof. Barbara Vetter – 2017.
Leipzig University. Summer School with Robert Brandom (University of Pittsburgh) on Material Inference and Pragmatist Approaches in Semantic Explanations – 2016.
Humboldt University (with New School for Social Research, NY). Workshop on Progress, Regress and Social Change, presentation on “Artifacts and Social Change” – 2016.
Humboldt University. Workshop presentation on Social Ontology and Freedom with Philip Pettit, Princeton University – 2014/2015.
Humboldt University. Workshop presentation on Enactivism in Perception with Alva Noé, University of California Berkeley – 2014/2015.
Humboldt University. Workshop presentation on "Mind in Life" with Evan Thompson (UBC, Vancouver, Canada) – 2014.