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Sustainable Waste Management for Ecosystem Protection in Kisii Municipality, Kenya

2026
Merceline Bosibori Angima, Job O. Omweno, George Mokua Ogendi

Summary

In Kisii, Kenya, a fast-growing city is dumping trash and untreated sewage into rivers and wetlands because of weak rules and poor enforcement — and this pollution can contaminate the water people rely on for drinking, farming, and daily life. Researchers say the fix isn't complicated: stronger enforcement of existing laws, better community education, and modern tools like AI-powered monitoring and natural filtration systems (like constructed wetlands) could clean up the water and protect public health. This matters beyond Kenya, too — it's a reminder that unmanaged waste and wastewater are a global pathway for p

Study Type Environmental

Kenya's urbanization, particularly in riparian cities, has intensified pollution through unregulated waste dumping, wetland encroachment, and raw effluent discharge, severely contaminating water bodies. This study assessed sustainable waste management in Kisii Municipality, the largest urban center in Kisii County, examining policies, enforcement, and innovations. Rapid urbanization, increased municipal solid waste and unregulated wastewater discharge exacerbate environmental degradation. Empirical surveys and expert analyses identified weak enforcement, low public awareness, and the absence of a dedicated waste policy. While regulations like riparian buffer protection and the plastic bag ban offer partial control, a more integrated approach is needed. The study recommends stronger policy enforcement, community engagement, and advanced waste treatment technologies such as AI-driven monitoring, bio-membrane filtration, and constructed wetlands. Recycling and multi-stakeholder collaboration are vital for sustainable waste management and ecosystem protection

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