Bhutan has made significant efforts to improve waste management as part of its broader commitment to environmental conservation, public health and sustainable development. As a mountainous, landlocked country with a small population and limited land suitable for waste-disposal facilities, Bhutan faces particular challenges in managing municipal, industrial and healthcare waste. Rapid urbanisation, changing consumption patterns, increasing use of packaged goods and growth in tourism have contributed to a rise in the quantity and complexity of waste generated. The country has therefore progressively moved from traditional disposal-oriented practices towards waste reduction, segregation, recycling, composting and environmentally sound treatment. Waste management in Bhutan is primarily guided by the principle of reducing waste generation and recovering useful materials before final disposal. Waste is generated from households, commercial establishments, institutions, industries, construction activities, agriculture and healthcare facilities. Municipal solid waste forms a major part of the waste stream, particularly in urban centres such as Thimphu, Phuentsholing, Paro and other growing towns. Organic waste, paper, plastics, glass, metals and other recyclable materials constitute important components of municipal waste. Rural areas generally generate smaller quantities of waste, but collection and transportation are more difficult because settlements are dispersed and roads may be limited. Source segregation has increasingly become an important component of Bhutan's waste-management system. Households, businesses and institutions are encouraged to separate waste according to its type so that recyclable and compostable materials can be recovered more easily. Segregation reduces the amount of waste requiring final disposal and improves the possibility of recycling. However, implementation is not uniform throughout the country. Urban areas have comparatively better access to waste-collection services and waste infrastructure, while remote and rural communities may still depend on local disposal practices. Collection and transportation of municipal waste are generally undertaken by local governments, municipal authorities and, in some places, private or contracted service providers. Waste is collected from households, commercial areas, markets and institutions and transported to designated collection points, material-recovery facilities, composting facilities or disposal sites. In larger urban centres, organised collection systems are more developed. Nevertheless, transportation remains a major challenge in remote mountainous regions because of difficult terrain, long distances and high operational costs. These geographical conditions make it difficult to establish large centralised treatment and disposal facilities serving the entire country. Recycling has become an increasingly important part of