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Invasive alien species have become a serious threat to plant biodiversity in many parts of the world. Globally the threat to biodiversity due to invasive alien species is considered second only to that of habitat loss. Invasive species are thus a serious impediment to conservation and sustainable...

This study analysed the physico-chemical and bacteriological characteristics of water in the Upper Kafubu River basin in terms of temporal and spatial variations in the period 1991-1999. The effects of urban activities on the physico-chemical and bacteriological regimes of the Kafubu River in...

The Small-Scale Mining (SSM) sub-sector makes a significant contribution to the economy of Tanzania. Major benefits include foreign exchange earnings, generation of income for rural population where alternative means of income are limited and also employs over 500,000 people. Minerals being mined...

It is globally known that the environment is under threat of degradation. It is even very clear in a number of places across the globe how human activities have led to the degradation of the environment. There is need to lay emphasis on local, national and international cooperation in the...

The poor management of wastewater causes loss of environmental quality. Biomethanation, a biogas-producing technique, as an attractive solution to the problem, was investigated. Biogas, a greenhouse gas, is a mixture of methane and carbon dioxide. While carbon dioxide is returned into the...

The purpose of the study was to find out if teachers of Chemistry were using learner-centered teaching strategies to large classes in order to enhance individual learning in selected Government High schools of Kitwe district on the Copperbelt Province in Zambia. The objectives of the study were...

Changing climatic conditions have had devastating effects on Zambia with impacts to physical and biological systems already being felt. The Climate induced changes are exerting considerable stress on the Zambia’s already vulnerable sectors mostly the agriculture and food security others being the...

Combustion Efficiency Improvement in a Rotary Furnace using a Post Combustion Chamber. Luwaya Edwin. Department of Mechanical Engineering, University of Zambia.Geometric parameters, of a rotary furnace, necessary for the improvement of combustion efficiency are analysed using Computational Fluid...

The problems associated with solid waste management are global and require an integrated approach to arrive at a possible long term solution. Lusaka produces more waste than any other city in the country. This study focused on community based solid waste management strategies in Kamanga Compound...

Environmental pollution has reached alarming proportions in Zambia. Mining and industrial activities have been responsible for water, soil, plant and air pollution. The principal objectives of this study were to determine the extent of pollution of soil and vegetation by cadmium, copper, lead and...