Background: Growth in agricultural science and technology is deemed essential for in-creasing agricultural output; reduce the vulnerability of rural poverty and in turn, food security. Food security and growth in agricultural output depends on technological usages, which enhances the pro-ductive capacity of the agricultural sector. The indicators of food security utilised in this study in-clude: dietary energy supply, average value of food production, prevalence of food inadequacy, among others.Objective: In this paper, we examined the level of technology and how investment in the agriculture and technology can improve technical know-how in Nigeria with a view to achieving food security.Method: We carried out the analysis on how investment in technology and institutional framework can improve the level of food availability (a key component of food security) in Nigeria using econ-ometric technique based on Autoregressive Distribution Lag (ARDL) framework.Results: The results showed, inter alia, that in Nigeria, there is a high level of food insecurity as a result of low attention on food production occasioned by the pervasive influence of oil that become the major export product.Conclusion: It was noted that the availability of arable land was one of the major factors to increase food production to solve the challenge of food insecurity. Thus, the efforts of reducing the rate of food insecurity are essential in this regards. This can also be achieved, among others, by active interactions between government and farmers, to make contribution to important planning issues that relate to food production in the country and above all, social protection policies should be geared or channelled to agricultural sector to protect farmers who are vulnerable to shocks and avert risks associated with agriculture.

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This study examines the relationship between technology, human capital and economic growth and also attempts to establish their implications on knowledge based economy in Nigeria. The data used for the study are from secondary sources while the new growth model was also adopted. The dependent variable in the model is the level of real output while the explanatory variables are gross capital formation and government expenditure on education. The result of the causality test shows that is a uni-directional relationship running from gross capital formation and real output, human capital formation and real output growths do not Granger cause each other while causality runs from human capital to capital formation and vice versa. The implication of the result; the increase in economic growth has not improve the rate of capital formation in Nigeria. The study concluded that Nigeria has been slow to identify the strands of global knowledge due to the following: Weak institutions; limited awareness and disincentives preventing them from taking the root to the knowledge and information based-economy. Based on the findings the study recommended; strategies in which education can be incorporated into the growth system. Research and development should be encouraged as well and polices that promote output through savings.

Carbon emissions are basically gaseous substances that are generated from human activities such as the burning of fossil fuels, into the atmosphere, and these emissions affect agricultural output and human health. The rising level of carbon emissions into the atmosphere has become a problem worldwide. Thus, this study examined the effect of carbon emissions on agricultural output and life expectancy in West Africa using data that spanned the period between 2000 and 2018. The study employed the two stage least squares econometric technique. The findings from the study revealed that a 1% increase in carbon emissions bring about a 3.818% reduction in agricultural output, that is, carbon emissions adversely affect agricultural output in West Africa. Also, a 1% increase in carbon emissions bring about a 0.123% increase in life expectancy, that is, carbon emissions boost life expectancy in West Africa. Therefore, this study recommends that the governments of the West African countries should formulate environmental policies that will help mitigate the adverse impact of carbon dioxide emissions on the agricultural sector, and also improve on healthcare delivery in the hospitals so as to reduce the mortality rate, this will help increase life expectancy in West Africa.