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Improper handling of household solid waste causes problems that affect public health and the environment, as well as the aesthetic nature of cities. This paper aims to determine if the theory of planned behavior (TPB), and its extended version can be used to predict household recycling intention (RI), and whether perceived lack of facilitating conditions have a moderating role on households' RI in Nigeria. Data from a sample of 393 households from Kano metropolis Nigeria were analyzed using structural equation modeling. The result reveals that the TPB Model predicts households RI in Nigeria and explains 42% of the variance in RI. Attitude is the most important predictor of RI in the TPB model (β = 0.593, p = 0.000). However, after personal norm (PN) was added into the model, the variance in RI increases to 58% and PN becomes the most important predictor of RI in the extended TPB model (β = 0.496, p = 0.000). Perceived lack of facilitating condition was found to have a significant moderating effect on households' RI. Finally, our findings show that providing households with recycling facilities and local collections holds great promise for improving households' intention to recycle.

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This paper provides a broad overview of issues on groundwater condition and management in the Kano region of northwestern Nigeria. The aim is to recommend new management strategies that can ensure sustainable groundwater resource management in the region. To achieve the aim of the study, various studies on groundwater conducted in the region were reviewed and key issues were identified. The review revealed that groundwater availability varied between the Basement Complex and Chad Formation areas of the region, with the latter having more of the resource than the former region as a result of the migration of groundwater from the Basement complex to the Chad Formation region. The review also revealed a steady annual decrease of groundwater level during the period 2010 to 2013 and the groundwater beneath the floodplains dropped from 9000 Million Cubic Meter (MCM) in 1964 to 5000 MCM in 1987 in the Chad Formation area of the region. The review further revealed that there is poor knowledge regarding the impact of historical and projected climate variability and change on groundwater availability in the region. This is as a result of the lack of sustained time series data on groundwater resource. Thus, there has been little or no integrated management between groundwater excess and deficiency on one hand, and groundwater pollution management on the other hand. Rainwater harvesting, among other approaches, is recommended for sustainable groundwater management in the region.

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Although few studies have attempted to explain residents’ waste handling behaviour from social and psychological perspective, yet, there is little understanding regarding the influence of households’ moral obligation, consequences awareness, and perceived lack of facilitating conditions on forming recycling intention. This study aims at investigating the key determinants of household recycling intention using the extended theory of planned behaviour (TPB). Data collected from 422 households in Kano metropolis were analysed using structural equation modelling to determine the influence of each predictor on the recycling intention. The results indicate that attitude, subjective norms, personal norm, consequences awareness and perceived lack of facilitating conditions significantly predict recycling intention, with attitude being the most significant predictor of households’ intention. Additional analysis on the effect of households’ income level on their recycling intention shows that income level moderates the relationships between attitude and recycling intention, personal norms—recycling intention, and perceived lack of facilitating conditions— recycling intention. The findings provide valuable suggestions for recycling policies that can focus on households’ intention formation by providing recycling facilities, encouraging participation through market-driven recycling programs, and promoting recycling awareness and education.

No abstract

Although few studies have attempted to explain residents’ waste handling behaviour from social and psychological perspective, yet, there is little understanding regarding the influence of households’ moral obligation, consequences awareness, and perceived lack of facilitating conditions on forming recycling intention. This study aims at investigating the key determinants of household recycling intention using the extended theory of planned behaviour (TPB). Data collected from 422 households in Kano metropolis were analysed using structural equation modelling to determine the influence of each predictor on the recycling intention. The results indicate that attitude, subjective norms, personal norm, consequences awareness and perceived lack of facilitating conditions significantly predict recycling intention, with attitude being the most significant predictor of households’ intention. Additional analysis on the effect of households’ income level on their recycling intention shows that income level moderates the relationships between attitude and recycling intention, personal norms—recycling intention, and perceived lack of facilitating conditions— recycling intention. The findings provide valuable suggestions for recycling policies that can focus on households’ intention formation by providing recycling facilities, encouraging participation through market-driven recycling programs, and promoting recycling awareness and education.