Background
Municipal solid waste management in Cambodia is a public administration and environmental governance function involving national ministries, subnational administrations, local authorities, and waste collection operators. Waste reduction campaigns, public cleanliness measures, and efforts to limit single-use plastic consumption are part of broader environmental management practices in urban areas, especially during major public holidays when public spaces experience heavier use.
Phnom Penh generates large daily volumes of household and public waste, making collection performance and disposal behavior visible indicators of urban environmental management. In Cambodia, public awareness campaigns on proper waste disposal and reduced plastic use are commonly linked to cleaner streets, public hygiene, and local government coordination during festivals and other high-traffic periods.
Key Developments
According to observations and reports cited by the Ministry of Environment, approximately 2,609 tons of garbage were collected in Phnom Penh on 14 April 2026, the first day of the 2026 Khmer New Year holiday. The ministry stated that this volume was 38% lower than the capital’s regular daily garbage collection volume.
The ministry also stated that the volume collected on the first day of Khmer New Year 2026 was 16% higher than the amount collected on the first day of Khmer New Year in 2025. Ministry spokesperson Khvay Atitya said the reduction compared with normal daily volume reflected increased public awareness of proper waste disposal, reduced use of plastic bags, and participation in environmental clean-up activities in public areas and residential communities.
The statement attributed the outcome to participation by Ministry of Environment officials, provincial and municipal environment departments, subnational administrations, local authorities, youth groups, civil society organizations, the private sector, and holiday participants. These groups were described as taking part in awareness activities, litter collection, environmental sanitation work at public recreation sites, promotion of proper waste disposal, and reduction of plastic use.
Implications
The reported decline in garbage volume relative to Phnom Penh’s normal daily level provides an administrative indicator for Cambodia’s urban waste management and public behavior change campaigns during major festivals. It also suggests that coordinated outreach by environmental authorities and local stakeholders can influence disposal practices in high-traffic public settings.
For policymakers and local administrators, the data point may support continued emphasis on waste sorting awareness, plastic reduction measures, and public cleanliness mobilization during national holidays. For businesses and event organizers, the development reinforces the relevance of waste handling and plastic-use practices in crowded urban celebrations.
Official Source
Ministry of Environment spokesperson statement and ministry social media post dated 15 April 2026, citing observations and authority reports on waste collected in Phnom Penh on 14 April 2026.

