Examining the determinants of water resources availability in sub-Sahara Africa: a panel-based econometrics analysis

Sun, Dongying; Addae, Ethel Ansaah; Jemmali, Hatem; Mensah, Isaac Adjei; Musah, Mohammed; Mensah, Claudia Nyarko; Appiah-Twum, Florence

doi:10.1007/s11356-020-12256-z

Cited by 25 publications

(10 citation statements)

References 46 publications

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“…Freshwater is undergoing a series of changes due to both natural and anthropogenic activities exacerbated by climate change (Krysanova et al 2005) with dire consequences, such as water scarcity and declining quality. Inappropriate sanitation practices are one of the most significant causes of water pollution worldwide, especially in developing countries (Sun et al 2021). Water is an important driver of economic development in sub-Saharan Africa (SSA), as it is an essential natural resource for agriculture, manufacturing, health and mining.…”

Section: Introductionmentioning

confidence: 99%

Assessment of surface waters and pollution impacts in Southern Ghana

et al. 2021

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Illegal mining and inappropriate use of agrochemicals have exacerbated surface water pollution in Ghana. The quality of water has changed, and knowledge of their current condition is important for formulating policies to conserve the country's water bodies. This study assessed the quality of surface waters in Ghana's Pra River Basin. A survey of 344 local farmers randomly sampled was conducted and a physicochemical analysis of 33 water samples collected from 25 rivers in the basin. Boreholes are the main source of drinking water for 85% of farmers, and they assessed water quality by its appearance. Rainwater provides over 50% of the water needed by the respondents for domestic use. River water was mainly used for crop production and only secondarily for domestic use. At more than 80% of the sampled sites, pH, Fe and P were above the WHO recommended values, while Pb was exceeded at 30% of the sites. Cu, Hg, As and Fe were above permissible levels for irrigation, especially near the mining areas. The poor quality of river water makes it unusable despite its availability. A more effective and efficient land-use policy focusing on buffer zone protection is recommended to minimise water quality degradation in the basin.

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Section: Introductionmentioning

confidence: 99%

Assessment of surface waters and pollution impacts in Southern Ghana

et al. 2021

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“…Furthermore, CIPS and CADF unit root testing were utilized due to their high performance in stationary checking, as demonstrated by several studies (Sun et al 2021 ; Pesaran 2007 ; Westerlund 2007 ). Table 4 depicts the CADF and CIPS.…”

Section: Empirical Results and Discussionmentioning

confidence: 99%

An investigation on the role of electric vehicles in alleviating environmental pollution: evidence from five leading economies

Sun

Kyere

Sampene

et al. 2022

Environ Sci Pollut Res

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The relationship between battery electric vehicles (BEV) and carbon dioxide emission (CO 2 ) has significant environmental outcomes. Notwithstanding, battery electric vehicles have not been extensively explored through econometric approach. For countries to meet their net zero targets, it is crucial to consider the role of battery electric vehicles, renewable energy consumption, and CO 2 . As a result, it is critical to scrutinize a variety of variables that contribute to a sustainable future. This study therefore examines the dynamic correlation between BEV, gross domestic product (GDP), urbanization (URB), renewable energy consumption (REC), population (POP), and CO 2 in five leading countries (the United States of America (USA), China, France, Germany, and Norway) using panel data from 2010 to 2020. The study adopted the Westerlund cointegration method to ascertain the long-term nexus among the series. The cross-sectionally augmented autoregressive distributed lag CS-ARDL technique is adopted to evaluate the variables long-run elasticity. The study applied the common correlated effect mean group (CCEMG) and augmented mean group (AMG) approach to ascertain the robustness of the long-run relationships among the variables. Dumitrescu and Hurlin’s panel causality analysis determines the extent of the significant causality linkage. The results demonstrate that increased economic growth, urbanization, and population growth accelerate carbon emissions and environmental depletion. However, BEVs were found to be more energy efficient and the adoption of renewable energy through the manufacturing and battery production process would reduce CO 2 emission especially in China and the USA. Finally, the research proposed several policy implications for policy and decision-makers in the five leading countries for combating climate change and increasing productivity in the electric vehicle market and renewable energy consumption.

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“…Additionally, several water ecology issues such as poor water quality, loss of biodiversity, and algae growth are present throughout Africa. According to the World Development Indicators ( WDI 2020 ), sub-Saharan Africa's per capita freshwater resource was only 3602 m 3 as of 2018 and even the allocation of these scarce water resources is uneven as countries in the northern parts suffer prolonged inadequate access to water than countries in the south ( Sun et al., 2021 ). Given the enormous difficulties associated with Africa's water resources, promoting the sustainable use of water resources ought to be a major focus of current reform and study.…”

Section: Introductionmentioning

confidence: 99%

“…The spatial spillover effect of WUE assumes that improving a country's efficiency will benefit nearby countries ( Sun et al., 2021 ). A sustained WUE and socioeconomic growth in SSA might be attained by the spatial spillover effect, which could also reduce the unbalanced geographic variation of overall WUE caused by related geographic key variables.…”

Section: Introductionmentioning

confidence: 99%