The levels of heavy metals in surface water and their potential origin (natural and anthropogenic) were respectively determined and analyzed for the Obuasi mining area in Ghana. Using Hawth’s tool an extension in ArcGIS ...

Desertification, climate variability and food security are closely linked through drought, land cover changes, and climate and biological feedbacks. In Ghana, only few studies have documented these linkages. To establish ...

This study set out to examine why agricultural production in differing agroecological zones of the same country responds differently to a common environmental event (an extension of the rainy season). We find that the heavy ...

This paper sets out to develop a framework for characterizing agricultural growth orientations. We identify four main components in the global food system (technology, institutions, people, and natural resources). Based ...