The non biodegradable waste polytene bags are concern over decades now; if the trend is to continue valuable parts of the environment will be rendered useless. For the purpose of this study two set of questionnaires were ...

Tillage has been identified as the single most expensive operation in crop production. Major causes of this are the amount of energy expended to overcome adverse soil conditions. These conditions exist because of wrong ...

Noise is the largest burden placed on surrounding areas and residents by airports after the safety issues associated with aircraft crashes and other types of accidents. A loud noise causes annoyance and its high frequency ...

Solid wastes generally constitute man’s unwanted materials that need to be collected and properly managed. It consists of substances, materials and objects considered as worthless or defective and of no or less value ...