6 effects of environmental pollution in African cities

Pollution is addition of harmful and/or unwanted materials on the environment. in other words Pollution is the introduction of contaminants into the natural environment that cause adverse change. Pollution can take the form of chemical substances or energy, such as noise, heat or light. Pollutants, the components of pollution, can be either foreign substances/energies or … Continue reading 6 effects of environmental pollution in African cities