ALN No. 42: Kuchelmeister: Urban trees in arid landscapes

The human habitat is rapidly urbanizing. By 2030, the urban population globally will be twice as large as the rural population (World Bank n.d.). Especially in developing countries, this rapid urbanization is exacerbating serious problems such as availability of food, fuel, water, employment, and shelter. The enormous toll in terms of losses to human health and quality of life, natural resources, and economic productivity, makes a compelling case for action

The link address is: http://ag.arizona.edu/OALS/ALN/aln42/kuchelmeister.html