Artisanal and small-scale mining affects the quality and components of the environment in the Batouri area in different ways. Activities interfere with air, soil, water, fauna and forest resources. This study seeks to assess the impacts of mining on the environment using a combination of spatial analysis, questionnaires administration and Leopold’s grid of impact assessment. The impacts of mining on physical environment include air pollution by emission of dusts and fumes from engines, soil and subsoil degradation by earthworks and release of wastewater containing chemicals from companies.

This paper explores the impact of large-scale agricultural investment on household livelihood outcomes among smallholder farmers in Kilombero Valley, Tanzania. The study used qualitative and quantitative data from a sample of 376 households. Quantitative data analysis employed independent samples t-test and multiple linear regressions. There were associations in livelihood outcomes and household headship (p