Even though antiretroviral treatment is becoming more efficient and available, new HIV infections still occur. This is particularly the case in sub-Saharan Africa. Sexual transmission of HIV is still…

This study measures the link between expected health and contextual health uncertainty on sexual behaviours associated with the risk of HIV infection. We extend similar studies on the subject by…

This paper examines the impact of climate change on poor households across South Africa who practice subsistence farming to supplement their household income and dietary requirements. We consider…

Smallholder farms in Tanzania rely on wild pollinators, but there are drastic changes in land use which result in the reduction of wild pollinators’ natural habitat, that is, forests. Our interest is…