Climate change is a phenomenon that has the potential of affecting all natural and human systems and may be a threat to human development. This is particularly the case in developing countries. This paper is a theoretical article that uses secondary sources of data including weather events that occurred recently to appraise climate change and agriculture in Nigeria. The results have shown that human activities are largely responsible for climate change experienced in different parts of the globe today. These activities have led to increased concentration of greenhouse gases into the atmosphere and they are associated with the industrialised countries and some emerging nations. Agriculture in Nigeria is entirely dependent on climate and changes in climate are bound to affect it. This paper found out that climate change has already had a negative impact on agriculture in Nigeria especially in the last few years. It is therefore recommended that conscious efforts should be made towards mitigating the impacts of climate change on agriculture in Nigeria.
Proper sewage disposal has not been given serious attention it deserves in many developing countries especially in view of its implication the environmental health conditions of the populace. The problem to be resolved is that the sewage disposal methods adopted by residents of Katsina metropolis, northern Nigeria have negative impacts on their environmental health conditions. The methods used to solve the problem include field visit to the different parts of the metropolis to examine the disposal methods and interview with the residents and environmental officials. The results have shown that a decentralized sewage disposal system exists whereby different methods are used in the different residential areas of the metropolis. The five methods used except one have negative impacts on the environmental health conditions of the inhabitants. However on daily, weekly and monthly basis household heads, clubs and societies, committee of residents, the State Environmental Protection Agency are making efforts towards ensuring proper sewage disposal for a healthy environment. Despite the efforts made the negative impacts still persists. The conclusions achieved are that more efforts should be put to ensure proper sewage disposal in the metropolis and thereby reducing the negative environmental health impacts that were created by the majority of the methods used for sewage disposal.
Abstract-Composting is one of the universally accepted methods of waste disposal which has become a waste management option in the developing countries. It is widely practiced in Katsina metropolis, northern Nigeria as most of the waste produced is organic in nature. Composting in the metropolis is undertaking in different refuse collection facility by different age groups using simple implements. The manure collected is transported by different means of transportation and practiced mainly during the dry season to supply manure to the farms around the metropolis. It has assisted greatly to reduce the amount of waste that need to be evacuated by the waste management agency. However, there are problems associated with composting such as inadequate safety measures, occupational hazards among others. These problems need to be solved to make composting a sustainable waste management option in Katsina metropolis.
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