The Centre for Energy, Environment, Science and Technology in Tanzania carried out this study on behalf of the Department of Environment of the Ministry of Tourism, Natural Resources and Environment. The research was carried out to meet Tanzania's international treaty obligations covering provision of information about human indicated emissions by sources and removal by sinks of green-house gases, and the phasing out of ozone depleting substances. The study was organised on the basis of the sectors of energy and transport, industry, agriculture, forestry and land-use, commerce and household, and solid waste and wastewater management. A caution was added to the main conclusions that there must be a linkage between the objective of poverty alleviation and improvement of the socio-economic situation of Tanzania and other developing countries.