Population, Environment and Development Research Group


Main research focus and other areas of research interest of the RG: Nexus between population, environment, and development.


Title of most recent research project: Mba C. L, Madu I. A, Ajaero C.K and AE Obetta(2021):Patterns of Rice Production and Yields in South Eastern Nigeria. Afr. J. Food Agric. Nutr. Dev.; 21(7): 18330-18348 https://doi.org/10.18697/ajfand.102.20105

A maximum of seven (7) other current or completed research projects:

  • COVID-19 Pandemic and Small-Scale Industries in a Local Geographic Space of Nigeria: An Assessment of the Impact of Strategic Inter firm Alliance.
  • Factors of migration of ECOWAS citizens into Nigeria: a principal component analysis approach.
  • Determinants and Flow of Cross-Border Migration of Ecowas Citizens into Nigeria.
  • Magnitudes and Diagnostics of Spatial Disparity in Urban – Rural Household Welfare in Nigeria.
  • The Socio-economic effect of small-scale women business in broom production and marketing industry: A pan acea for for sustainable development’’Journal of enterprising Communities.
  • Nature and Determinants of Small and Medium Scale Enterprises Location factors in Enugu state, Nigeria.
  • The role of subcontracting on innovation: an assessment of small and medium enterprises in Nigeria.


Name of the Coordinator: Prof Ignatius A. Madu

UNN email address of the RG: ignatius.madu@unn.edu.ng

UNN email address of the coordinator: ignatius.madu@unn.edu.ng

Current webpage of the RG

Phone number of the RG: +234 8037321468

Phone number of the coordinator: +234 8037321468

Base Faculty/Institute/Center of the RG: Social Sciences

Department of the Coordinator: Geography

Headshot of the coordinator

Brief profiles of members

Ignatius A. Madu is a Professor of Human Geography at University of Nigeria Nsukka with specialization in rural environment and sustainability. He was the pioneer Cordinator of Programme Centre for Environmental Management and Contro UNEC. He was also a two- time head of Geography and once Dean of the Faculty of the Social Sciences of the University.  He currently leads the Population, Environment and Development Research Group of the University. He is a member of the consortium on the European Commission (EC) sponsored GAPs project (Decentring the Study of Migrant Returns and Readmission Policies in Europe and Beyond” (Project nr. 101094341). As part of his community service, he has participated in numerous Federal Ministry of Environment technical panel review of development projects in Nigeria. He has supervised many Ph.D thesis and masters projects. Prof Madu has published extensively in both local and international journals and has participated in many international and national conferences.

Visit http://www.unn.edu.ng/internals/staff/viewProfile/MzE2Mw–/5 for a comprehensive publication list.

Google Scholar Citation links: https://scholar.google.com/citations?user=EAS5E5YAAAAJ
Researchgate links :https://www.researchgate.net/profile/Ignatius-Madu

  • Thaddeus Chidi Nzeadibe is Professor of Environmental Management & Sustainability in the Department of Geography, and a Senior Research Fellow at the Resource and Environmental Policy Research Centre (REPRC), University of Nigeria, Nsukka. His research has been funded by Nordic Africa Institute (NAI), Uppsala, International Foundation for Science (IFS), Stockholm, and the African Technology Policy Studies Network (ATPS), Nairobi, Kenya. His recent research has dealt with solid waste management during Covid-19 pandemic in Nigeria, and also the political economy of Covid-19 and informal urban governance in Africa. He is currently undertaking research projects funded by Environment for Development (EfD) Initiative, Gothenburg University, Sweden, Royal Academy of Engineering, UK, Swiss National Science Foundation and SOAS- ACE, UK. He served as External Reviewer for Global Waste Management Outlook (GWMO) (UNEP & ISWA 2015) and serves as Waste Management and Socioeconomics Expert in EIA Review Panels of the Federal Ministry of Environment. journal articles, OP-EDs and winning a highly competitive research grant on COVID-19. In February 2021, Prof. Nzeadibe was appointed an Inaugural Member and Senior Fellow of the Pan-African Scientific Research Council (PASRC).

Google scholar profile -https://scholar.google.com/citations?user=Jfs1ne0AAAAJ

  • Ajaero, Chukwuedozie Kelechukwu is a Professor of Population Geography and the Deputy Provost, College of Postgraduate Studies, University of Nigeria Nsukka (UNN). He was a Postdoctoral Fellow and Visiting Scholar with the Demography and Population Studies Programme of the University of the Witwatersrand, South Africa. Prof Ajaero is also a Senior Research Fellow at Resource and Environmental Policy Research Centre (REPRC) EfD-Nigeria. His areas of research include migration and displacements, public health and quality of life, and population-environment linkages.

Research Profiles:

Google scholar link:  https://scholar.google.com/citations?user=zc74xbMAAAAJ&hl=en

LinkedIn link:  https://www.linkedin.com/in/ajaero-chukwuedozie-k-a9433529/

African Scientists Directory link:  https://africanscientists.africa/?s=ajaero

Research Gate link:  https://www.researchgate.net/profile/Chukwuedozie-Ajaero

  1. Ifeoma C. Mba is an accomplished economist with a wealth of knowledge in the field of monetary economics. She has earned numerous degrees and certifications, including a NCE in Economics/Mathematics, a BSc in Statistics and Economics with a 2:1, an MSc in Monetary Economics, and a PhD in Monetary Economics. Dr. Mba is also an expert in financial economics, stochastic processes, population studies, gender studies, and energy. As a Senior Lecturer in the Department of Economics at the esteemed University of Nigeria, Dr. Mba is highly respected for her exceptional teaching abilities and contributions to her field. Her extensive research has been published in reputable journals, further solidifying her reputation as a thought leader in economics. In addition to her academic work, Dr. Mba is a devoted mother and wife. With her impressive credentials and expertise in a range of subjects, Dr. Mba is a true inspiration to aspiring economists and scholars alike. Her contributions to the field of economics have been invaluable, and she continues to make an impact through her teaching, research, and leadership as the head of the Economics department at the University of Nigeria.

              Research Profiles:

             Google Scholar Link:      https://scholar.google.com/citations?hl=en&user=6uQbmnYAAAAJ

ResearchGate: https://www.researchgate.net/profile/Ifeoma-Mba-2

Academia: https://unn-ng.academia.edu/IFEOMACHRISTYMBA

  1. Ossai, Onyinyechi Gift is a Lecturer 1 and PhD candidate at the Department of Geography, University of Nigeria Nsukka (UNN). She received a travel scholarship from MasterCard to attend the 42nd Congress of the Institute of Sociology at the University of Witwatersrand, South Africa in 2018. Additionally, she received a prize for the best paper presented at the PIVOT African Workshop, which was funded by the Royal Academy of Engineering as part of the Frontiers Program in 2021. She graduated first in her class in 2011 and 2017, BSc and MSc respectively as an honors student. Her interests encompass urban quality of life, urban inclusion, sustainable development, and climate change.

UNN website: https://staffprofile.unn.edu.ng/profile/1358

Google Scholar Citation link: https://scholar.google.com/citations?user=kCW2-9IAAAAJ&hl=en

Research gate link: https://www.researchgate.net/profile/Onyinyechi-Ossai/research

  1. Ngozi Louis Uzomah is a PhD researcher in the Department of Geography of the University of Nigeria, Nsukka. He has a keen interest in cross-border activities. His main research areas include migration, borders, security, refugees and IDPs. He has researched on migration in the ECOWAS region, Boko Haram/ISWAP insurgency in the Lake Chad Basin, regional integration in Africa, and geopolitics of African border management in relation to EU border and migration externalization. His doctoral research project is on security factors influencing. the return migration of Cameroonian refugees in Nigeria. Currently at the University of Nigeria, he is taking part in an EU Horizon project on return migration and readmission policies, abbreviated as GAPs, which comprises a consortium of 17 universities/organizations in Europe, America, Africa and the Greater Middle East.

Google citation link: https://scholar.google.co.uk/citations?user=ngLno1gAAAAJ&hl=en

Researchgate link: https://www.researchgate.net/profile/Ngozi-Uzomah

Ten key publications of the RG from 2019 till date.

Uzomah, N. L. and amp; Abdullahi, M. (2023). AfCFTA and challenges of borderlands in the ECOWAS region In S. K. Okunade & O. Ogunnubi (eds.), ECOWAS Protocol on Free Movement and the AfCFTA in West Africa: Costs, Benefits and Challenges.Springer Nature. Pub date: June 2023.

Jonathan E. Ogbuabor, Ezebuilo R. Ukwueze, Ifeoma C. Mba, Obed I. Ojonta, Anthony Orji ( 2023): The asymmetric impact of economic policy uncertainty on global retail energy markets: Are the markets responding to the fear of the unknown? Applied Energy 334 (2023) 120671

Yemi Adewoyin, Chukwuedozie K. Ajaero and Clifford O. Odimegwu (2022): Contexts, beliefs and health behaviour: Are individuals who engage in risky sexual behaviour likely to wear facemasks against COVID-19? Journal of Public Health in Africa 2022; volume 13:2032

Mba C. L, Madu I. A, Ajaero C.K and A.E Obetta (2021):Patterns of Rice Production and Yields in South Eastern Nigeria. Afr. J. Food Agric. Nutr. Dev.; 21(7): 18330-18348

Yemi Adewoyin, Ijeoma Gladys Nwosu, Onyinyechi Gift Ossai, and Juliana Onuh (2022): Rural-Urban Differentials in Levels and Correlates of Financial Inclusion Among Nigerian Women Aged 18 to 49 Journal of Population and Social Studies (JPSS) pp 448-462

Cletus Famous Nwankwo, Onyinyechi G. Ossai, Romanus U. Ayadiuno & Christopher C. Ikeogu (2021): Spatial dimension of climate change vulnerability and urbanization relationship in Nigeria, International Journal of Urban Sciences, DOI: 10.1080/12265934.2021.1956365 pp 1-22

Uzomah, N. L. & Madu, I. A. (2020). Factors of migration of ECOWAS citizens into Nigeria: a principal component analysis approach. International Journal of Migration and Border Studies, 6 (3): 234 – 257

Onyishi, C.J., Ejike-Alieji, A.U.P., Ajaero, C.K., Mbaegbu,C.C., Ezeibe, C.C., Onyebueke , V.O., Mbah, P.O and Nzeadibe, T.C. (2020).Covid-19 pandemic and informal urban governance in Africa: A political economy perspective. Journal of Asian and African Studies. DOI: 10.1177/0021909620960163

Nzeadibe, T.C and Ejike-Alieji, A.U.P. (2020). Solid waste management during Covid-19 pandemic: policy gaps and prospects for inclusive waste governance in Nigeria. *Local Environment: the International Journal of Justice and Sustainability. DOI: 10.1080/13549839.2020.1782357.

Ifeoma Christy Mba, Emmanuel Ikechukwu Mba, Winnie Ogonna Arazu, Chinasa E. Urama, Chioma Henrietta Machebe, Chikodili Eze (2019). Application of the Stochastic Markov Model in Predicting the Volume of Oil Spill in Nigeria: A Case of the Niger-delta Region. International Journal of Energy Economics and Policy, 9(4), 110-114.