Omar Osman Omar

On-Site Sanitation Systems in Kiribati: Challenges, Opportunities and the Path Toward Circular Economy Integration

Teema Biko, Omar Osman Omar, Pablo Nilsson & Taniera Biko · Journal of Geography, Environment and Earth Science International · 2025

This study explores the challenges, opportunities, and pathways toward integrating circular economy (CE) principles into on-site sanitation systems in Kiribati. Inadequate sanitation and wastewater management, particularly in developing countries, contribute to health risks and e...

Open access Research Article 10.9734/jgeesi/2025/v29i3869

Assessing Water Quality in Malawi: Contamination Sources, Public Health Impacts, and Sustainable Management Strategies

Memory Mwale, Teema Biko, Fatmata Sesay & Omar Osman Omar · Journal of Geography, Environment and Earth Science International · 2025

This review investigates water quality issues in Malawi, revealing critical contamination sources such as industrial discharges, agricultural runoff, household waste, mining operations, and inadequate wastewater management. A systematic search was conducted across several databas...

Open access Research Article 10.9734/jgeesi/2025/v29i1858