1. New solar seawater desalination system using wick material and obtuse surface: experimental evaluation

   • Sherif A. Mohamed
   • M. Attalla
   • Ahmed N. Shmroukh

   Original Article 04 January 2021 Pages: 113 - 124

   

2. Water quality assessment of groundwater in selected potable water sources for household use in Ibadan, Southwest, Nigeria

   • J. F. Oyelakin
   • S. M. Ahmad
   • B. O. Layi-Adigun

   Original Article 21 September 2020 Pages: 125 - 132

   

3. Solar photovoltaic energy in India: business feasibility study and analogy of policies

   • B. Rajshree
   • S. Manan

   Original Article 03 January 2021 Pages: 133 - 144

   

4. Study of Caspian energy markets via a hybrid index for energy demand security in Caspian countries in years 2020 and 2030

   • S. Vedadi Kalanter
   • A. Maleki
   • A. Saifoddin

   Original Article Open access 02 January 2021 Pages: 145 - 157

   

5. The impact of gold mining exploitation on the physicochemical quality of water: case of Batouri (Cameroon)

   • L. L. Mambou Ngueyep
   • S. Takougang Kingni
   • A. A. Ndi

   Original Article 02 January 2021 Pages: 159 - 173

   

6. Potentially toxic metals record high contamination indices in three small African rivers

   • O. O. Aliu
   • E. O. Akindele
   • I. F. Adeniyi

   Original Article 28 September 2020 Pages: 175 - 184

   

7. Research on the effect of clean energy development on regional economic growth and carbon dioxide emissions from the perspective of regional differences

   • W. Jia
   • X. Jia
   • L. Wu

   Original Article 23 March 2021 Pages: 185 - 192

8. Impact of land-use/land-cover dynamics on water quality in the Upper Lilongwe River basin, Malawi

   • I. S. Nkwanda
   • G. L. Feyisa
   • R. Makwinja

   Original Article 13 April 2021 Pages: 193 - 204

   

9. Characterization of factors influencing water quality in Federal University of Agriculture Abeokuta and its Environ, Southwestern Nigeria

   • O. O. Ige
   • T. A. Owolabi
   • D. O. Obasaju

   Original Article 15 October 2020 Pages: 205 - 218

   

10. Prediction and estimation of solar radiation using artificial neural network (ANN) and fuzzy system: a comprehensive review

    • D. Shah
    • K. Patel
    • M. Shah

    Review Article 07 March 2021 Pages: 219 - 233

    

11. Correction to: An analysis of energy diversifcation and transition trends in Africa

    • M. M. Akrofi

    Correction 02 February 2021 Pages: 235 - 236