In developing countries, the share of mountain populations living in cities is steadily increasing. Over one-quarter of mountain populations in the developing world now live in urban areas and cities (FAO, 2015). Large cities with one or several million inhabitants located at high elevations are predominantly a feature of the southern hemisphere and of low and lower middle-income countries. Latin America, Asia and Africa have numerous cities in this category. There are also many cities with fewer than 500,000 inhabitants located at high elevations in these regions. Globally, municipal solid waste is expected to double by 2025, putting huge pressure on urban public services; this will include an increase in variety as well as quantity (Hoornweg and Bhada-Tata, 2012).
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From collection: Waste Management Outlook for Mountain Regions - Sources and Solutions