Insights
Explore practical perspectives on ESG, carbon reporting, circular economy, waste-to-value systems, climate finance, renewable energy, and sustainable development.
A practical view of how governance, infrastructure gaps, data quality, informal systems, and finance access shape credible ESG work.
A plain-language guide to emissions boundaries, data collection, reporting readiness, and practical decarbonisation planning.
How waste composition, collection systems, technology choice, policy, and finance affect waste-to-energy feasibility.
A project-owner view of methane mitigation, carbon credit readiness, monitoring requirements, and landfill gas recovery concepts.
Why circular economy design must include business models, procurement, behaviour, repair, reuse, data, and recovery markets.
How campuses can test cleaner last-mile mobility, measure emissions benefits, and build student-centred sustainability models.
Research & updates
A curated space for peer-reviewed publications, technical research outputs, and current LinkedIn updates from ZEA International's leadership.
Zipporah Asiedu, Alberto Bezama, Nana Y. Asiedu, Michael Nelles
A review of biomass resources, governance conditions, and circular bioeconomy opportunities in Ghana.
Josiane Nikiema, Zipporah Asiedu
A review of technology and policy options for addressing plastic and microplastic pollution from source to sea.
Rebecca Tanoh, Josiane Nikiema, Zipporah Asiedu, Nilanthi Jayathilake, Olufunke Cofie
A Ghana-focused study on the role of tipping fees in sustaining fecal sludge treatment plant operations.
Edward Antwi, Nils Engler, Michael Nelles, Andrea Schuch
A study on valorising cocoa pod residues through anaerobic digestion and hydrothermal pretreatment.
Partnership-ready sustainability
Bring ZEA into strategy, project design, funding readiness, or delivery when the work needs both technical credibility and local execution.
