Prof. John Didacus Njoku

Prof. John Didacus Njoku


BSc., MSc., PhD


John Didacus Njoku is a Professor of Geography & Environmental Management. He holds a BSc degree in Geography and Regional Planning, from the University of Benin, Benin City; MSc in Geography and Planning from the University of Lagos, Akoka Yaba, Lagos; and a PhD degree in Geography and Environmental Management (2007), from the Imo State University, Owerri. He is an expert in environmental changes/governance, effects of climate change on environmental resources and sensitivity. He was appointed as pioneer Ag. HOD to establish the Dept. of Urban and Regional Planning. In 2014, he was appointed Associate Dean, School of Environmental Technology, and doubled as Ag. HOD, Urban and Regional Planning until July 2017. As a tenure staff, he was promoted to the rank of Senior Lecturer in 2011, Reader in 2014, and Professor in 2017.


He had worked in the private and public sectors. Between 1991 and 1993 he worked with the Nigerian National Population Commission and later, between 1993 and 2002 he worked with the Manufacturers Association of Nigeria (MAN) Lagos where he rose to the position of Branch Executive Director.


He attended and participated at the 41st training session of the Climate Reality Leadership Corps on Climate Change and Crises Management in Atlanta, GA, USA in 2019. He was invited by UNEP to the 1st and 2nd African Food Security Conference in 2013 and 2015, Nairobi Kenya. In 2011, he was Speaker at the International Conference on Applied Geo-informatics for Society and Environment in Nairobi, Kenya.

Earlier, in 2009, he spoke at the Third African Leadership Conference on Space Science and Technology for Sustainable Development in Africa at Algiers, Algeria. He is Member, International Review Panel of Earth System Governance and Network conferences. He was Rapporteur of the Nigeria National Branch, Ecosystem Based Adaptation for Food Security in Africa Assembly, UNEP ROA, Kenya.


He is member of International Society for Urban Health (ISUH), USA and the Association for the Sciences of Limnology and Oceanography (ASLO), USA. He is a Research Fellow, the Earth System Governance Network, Netherlands. In Nigeria, he belongs to the Nigerian Cartographic Association (NCA), Association of Nigerian Geographers (ANG) and Nigerian Environmental Society (NES). He was editor of the official Journal of Cartography and Geographic Information Systems (GIS). He is a Consultant of the Federal Ministry of Environment, Federal Ministry of Science, Technology and Innovation, Abuja. He was State Training Coordinator (STC), Imo State during the 2023 Population and Housing Census in Nigeria.


As a Climate Reality Corp, Leader, Activist and distinguished academic, Prof John Njoku has spoken at many conferences, and published in several scholarly, academic and professional Journals.


He was the Keynote Speaker during the Environmental Stakeholders Forum of the 2022 world environment day on the theme “Roadmap for the Transformation of Imo Environment for Sustainable Environment in Imo State”


Prof Njoku is widely travelled and teaches remote sensing, theoretical and applied climatology and environmental changes, and mapping application to Environmental Management in different Universities in Nigeria.

 Professor John Njoku is a staff of the Dept. of Environmental Management, Federal University of Technology Owerri, Nigeria, from 2002 to date. He is married with children.       

Academic Qualification

2004 – 2007, Imo State University, Owerri, Nigeria.

PhD in Geography & Environmental Management (Remote Sensing application to resources management)

1991 – 1992, University of Lagos, Akoka Lagos, Nigeria

MSc in Geography & Planning (Remote Sensing & Mapping of Environmental Resources)

1981 – 1985, University of Benin, Benin City, Nigeria,

BSc (Hons.) in Geography & Regional Planning


Federal University of Technology Owerri, study Fellowship for PhD, 2003 – 2006.


  • Research Fellow, the Earth System Governance Network (c/o Utrecht University, The Netherlands)
  • Research Affiliate, Institute of Environmental Health and Environmental Justice (IEHEJ), FUTO, Nigeria
  • Research Associate, Centre for Res. and Inter. Dev. Federal Univ. of Technology Owerri.
  • Member, Nigeria Environmental Society
  • Member, Nigerian Cartographic Association
  • Member, Association of Nigerian Geographers
  • Member, International Review Panel for Earth System Governance Network Project:  International

Conferences, 2019 – Date

  • Member, Association for the Sciences of Limnology and Oceanography, USA
  • Member, International Society for Urban Health (ISUH), New York, USA
  • Member, Imo State Environmental Protection Agency Public Awareness Working Group for the UNDP Support Program on Environment and Natural Resources Management (1996)
  • Member, Imo State Productivity Committee (1995 – 2003)
  • Member, Imo State Export Promotion Committee, (1996 – 2003)
  • Member, Imo State Committee on African Growth and Opportunity Act of the USA (1998 – 2003)

Courses Assigned to Teach


  • FUTO Land Reclamation Group, experts Committee set up by FUTO (2023 – Date)
  • Chairman, Committee of Deans (2022 – 2023)
  • Dean, School of Environmental Sciences, Fed. Univ. of Technology Owerri, Imo State (2021 – Date)
  • Member, University Senate (2011 – 2023)
  • Member, the Senate Committee on Nomenclature of programmes and PG School Curriculum, Federal

University of Technology Owerri, Nigeria

  • Member, the University Committee on Code of Ethics, Federal University of Technology, Owerri (2016-


  • Pioneer Associate/Deputy   Dean, School of Environmental   Technology, Federal University   of

Technology, Owerri (2014 – 2016)

  • Pioneer HoD/Chairman, D e p t . of Urban & Regional Planning, Federal Univ. of Technology Owerri,

2010 – 2017.

Research Interest

A p p l i e d c l i m a t o l o g y and e n v i r o n m e n t a l v u l n e r a b i l i t y a s s e s s m e n t and monitoring, natural resources dynamics, climatic variations and socio-economic impacts, and environmental change management)


  • Chicago, IL USA

JD Njoku: Floodwater Harvesting: The ecosystem tool and solution to soil conservation and management in

Igboland, Nigeria, paper presented at the 17th ISA Annual International Conference Dominican University,

Chicago, Illinois, May 9-11, 2019.


  • Guadalajara, Mexico

JD Njoku, K. Ukaegbu, M. Iwuji and U. Nwuze (2016): GIS-Based Mapping and Statistical Analysis of Atmospheric Pollution in Port Harcourt, Southern Nigeria, paper presented at the 67th International Astronautical Congress (IAC), Guadalajara, Mexico, 26-30 September 2016.



  • Nairobi, Kenya

2015:  The  2nd  Africa  Ecosystem  Based  Adaptation  for Food  Security  Conference,  on  the  theme,  ‘ Re- imagining  Africa  Food  Security  through  harnessing  Ecosystem  based  Adaptation  (EBA)  Approaches Now and Into the Future under Climate Change, 30 -31 July, at the United Nations/ROA Complex, Nairobi, Kenya (see


  • Nairobi, Kenya

2013: Integrating Ancestral Technology of Flood Water Harvesting as a Decision Support Tool in a Climate

Change Regime among the Mbaise People of Southeastern Nigeria. Paper presented at the 1s t African Food Security Conference, on theme “Harnessing Ecosystem-based Approaches for Food Security and Adaptation to Climate Change” 20 – 21 August, 2013 at the United Nations Complex, Nairobi, Kenya.    (See 55-17/itemlist/category/8- aquatic-ecosystems for details.


  • Algiers, Al geria

2009:   Third African Leadership Conference on “Space Science and Technology for Sustainable Development on the theme, “Building African Partnerships in Space”, 7th – 9th December. Presented paper on “The Detection and Monitoring of Drought occurrences in the Desert Fringe and Sahel Region of Northern Nigeria using Satellite Technology”


  • Abeokuta, Nigeria

1997: Conference of Business Association Executives on Public Policy Advocacy in Nigeria organized between 13th – 19th July, by National Association of Chambers   of Commerce, Industry, Mines and Agriculture, Nigeria and The Centre for International Private Enterprise, Washington DC, USA.


Key Local and International Seminars, Trainings / Workshops


  • Atlanta, GA

2019: Participated and completed the 41st Climate Reality Leadership Corps training session, on Climate Crises

Management, in Atlanta GA, March 14 – 16, organized by The Climate Reality Project, based in Washington



  • Owerri, Nigeria

2012: Advanced Digital Appreciation Programme for Tertiary Institutions (ADAPTI) organized 27th February –

2nd    March by the Nigerian Communications   Commission, Abuja, through the Digital Bridge Institute an

International Centre for Communications Studies, Abuja, Nigeria.


  • Nairobi, Kenya

2011:  The International Conference on Applied Geo-informatics for Society and Environment (AGSE) and

Fourth International Summer School of the Stuttgart University of Applied Sciences, Germany on the theme, “Geo-information for a Better World” at the Jomo Kenyatta University of Agriculture and Technology (JKUAT), Nairobi, Kenya, August 15 – 19. Paper presented “Investigation into the Nature of Forest Degradation in Southeastern Nigeria Using Remote Sensing Techniques”.

  • Juliasdale, Zimbabwe

2002: Workshop on Developing Small and Medium Industries (SMIs) Sector based on Clustering and Networking

Approach organized by UNIDO, April 22 – 26.