Many African countries are richly endowed with land, but the productive potential of the land base has been underutilised in farming systems with low intensity of external inputs and high intensity of labour. At the same time, mining and erosion of soils have been common features of rural Africa...

In this paper, a model of the nitrogen cycle in the soil is incorporated in a Computable General Equilibrium (CGE) model of the Tanzanian economy, thus establishing a two way link between the environment and the economy. For a given level of natural soil productivity, profit maximising farmers...

Communities in the United States are showing increasing interest in the use of forests, wetlands, and other natural areas to provide protection against extreme events. As the climate changes and such events become more frequent and/or more severe, investments in the conservation of natural areas...

Modern geographic information system (GIS) tools have allowed a more careful examination of how the physical characteristics of a property’s neighborhood and surrounding land uses are capitalized into property values. The ArcGIS Viewshed tool is a case in point: it identifies the cells in an...