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Policy Brief: The Impacts of Kilembe Mine and Tailing Sites on Soil and Water Quality, Foods, Forage and Humans

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Whereas River Nyamwamba in Western Uganda is well known for the destruction of property and loss of life whenever it overflows, the environmental effects are less known and could be more lethal

The mining and processing of copper in Kilembe, Western Uganda, from 1956 to 1982 left over 15Metric Tonnes of tailings containing cupriferous and cobaltiferous pyrite dumped within a mountain river valley. In addition, underground Kilembe mine water is pumped to the land surface or allowed to flow by gravity into surrounding agricultural soils and water bodies. The study was conducted in Kilembe mine, Kasese district to assess the impact of Kilembe mine and the wastes (tailings) on soil quality, water quality, foods frown, forage and local people exposure. The samples collected included soil, water, foods, forage,  sediments and toe nails from local volunteers.

Sample analysis was conducted from the school of biosciences, Nottingham University, UK. The study found high levels of metal concentration especially copper, cobalt, nickel, zinc, arsenic and lead in agricultural soils, public water sources, house dusts and sediments in water. Aluminium and Iron metals were more abundant in public water sources. The metals were not only originating from mine tailings but also underground Kilembe mine water. The leachate water at Kilembe mine also contain large amounts of metals especially copper, iron and aluminium.

The foods and forage grown contained significantly higher concentrations of copper, cobalt, zinc, possibly taken up during growth and accumulated in the foods which could lead to consumption of the same elements by local people. Indeed, tests on human toe nails from Kilembe area volunteers confirmed that local people were more exposed to the mine metals especially copper, cobalt and nickel. Children were more exposed than adults.

It is on this note that the following policy recommendations are made;

1.    There is need for enforcement of proper waste storage and disposal protocols
2.    Local people living in contaminated environments should be sensitized on the dangers so that they make informed decisions
3.    There is need for construction of a containment all around Kilembe tailing sites and land filling with soil so as to prevent erosion of tailings into agricultural soils and water
4.    There is urgent need to treat Kilembe mine underground water before it is discharged into River Nyamwamba
5.    There is need to implement remediation activities for soils along River Nyamwamba and below tailings

Summary of findings

Water quality
Over 25 % of domestic water samples collected and 40% of River Nyamwamba waters along the mine area and downstream exhibited Cobalt concentrations exceeding the Wisconsin (USA) drinking water thresholds of 40 μgL-1. Almost all water samples upstream of River Nyamwamba exceeded UK recommended Iron and Aluminium concentrations in drinking water. Most domestic water samples (67%) exceeded recommended drinking water thresholds for Aluminium, Iron and Cobalt.

Forage
Elevated concentrations of Iron, Cobalt, Copper, Zinc and Lead were found in forage grasses collected along the mine area and downstream. The high levels of metal in forage could affect the health of animals and will also be reflected in the milk and beef produced in Kilembe area exposing consumers to metals.

Human exposure
Trace elements concentrations (mg kg-1 dw) were found in toe nails of 15 adults and 12 children from the Kilembe copper mining district in Western Uganda. Control samples were from 5 children aged 9-14 years and 5 adults aged 20-60years. The toe nails clearly confirmed exposure of the local people with children being more exposed and affected than adults.

Please see Downloads for full policy brief.

A Documentary on the same can also be accessed at the YouTube link: https://youtu.be/gp1Bpk4LPmU

 

Article by Abraham R. Mwesigye (PhD), School of Forestry, Environmental and Geographical Sciences, Makerere University, Email: mwesigye[at]caes.mak.ac.ug

 

 

Mark Wamai

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Mak News Magazine: February 2026

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Cover page of the Mak News Magazine February 2026. Produced by the Public Relations Office, Makerere University, Kampala Uganda, East Africa.

It is with great pleasure that I welcome you to this edition of Mak News Magazine, a publication that continues to chronicle Makerere University’s journey as a centre of academic excellence, innovation, and societal transformation.

The stories featured in this issue vividly demonstrate Makerere’s unwavering commitment to addressing national, regional, and global challenges through research, partnerships, and people-centred solutions. They reflect a university that is deeply engaged with society, one that applies knowledge not only to advance scholarship, but also to improve lives.

A recurring theme in this edition is innovation for resilience and inclusion. From the College of Agricultural and Environmental Sciences’ Healthy Soy Initiative combating child malnutrition amid climate change, to the cutting-edge work of CEDAT’s Team Green Minds integrating IoT into agriculture, Makerere continues to harness science and technology to respond to pressing development needs. Equally inspiring is the College of Natural Sciences’ success in securing international funding to scale up fish processing technologies, with a deliberate focus on empowering women and strengthening livelihoods.

This issue also highlights Makerere’s growing role in advancing health and wellbeing. The launch of the Early Intervention Psychiatry Services Clinic at Makerere University Hospital marks an important step in strengthening mental health services, while the Hospital’s transformation from a modest sickbay into a centre of excellence stands as a testament to decades of strategic investment, dedication, and service to the nation.

Our commitment to education access and global engagement is equally evident. Strategic partnerships, such as that between the College of Education and External Studies and the Uganda Vocational and Technical Assessment Board, are expanding pathways to quality education. The establishment of the first-ever United States Studies Centre in the Great Lakes Region positions Makerere as a hub for dialogue, research, and policy engagement on global affairs. We also celebrate our vibrant international community, with graduates drawn from 67 nationalities—affirming Makerere’s status as a truly global university.

This edition further showcases initiatives that ensure long-term institutional sustainability, including the launch of the CoCIS Endowment Fund, infrastructure developments such as the modern hostel at Buyana Farm, and transformative programmes supported by the Mastercard Foundation that continue to empower young people across the continent.

As you read through these pages, I invite you to reflect on the collective effort of our students, staff, alumni, partners, and supporters whose contributions make these achievements possible. Together, we continue to shape Makerere University as a place where knowledge serves humanity.

I wish you an engaging and inspiring read.

Prof. Barnabas Nawangwe
VICE CHANCELLOR

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Medical graduates urged to uphold Ethical values

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Dr. Maggie Kigozi delivers the Commencement Speech on Day 2 of the 76th Graduation Ceremony. 76th Graduation Ceremony, Day 2, College of Natural Sciences (CoNAS), the College of Veterinary Medicine, Animal Resources and Bio-Security (CoVAB), the College of Health Sciences (CHS) and the School of Public Health (SPH). Commencement Speaker-Dr. Margaret J. Kigozi, Makerere University Endowment Fund Chairperson. 25th February 2026, Freedom Square, Kampala Uganda, East Africa.

The Board Chairperson of the Makerere University Endowment Fund (MakEF), Dr. Margaret Blick Kigozi, has urged graduands in Health and Life Sciences to uphold professional ethics and serve humanity with diligence and compassion.

Her appeal came during the passing out of graduates from the College of Natural Sciences (CoNAS), the College of Veterinary Medicine, Animal Resources and Bio-Security (CoVAB), the College of Health Sciences (CHS) and the School of Public Health (SPH) on Day Two of the 76th Graduation Ceremony of Makerere University.

 “Class of 2026, you are now part of the Makerere legacy. Wherever you go clinics, laboratories, farms, boardrooms, or classrooms, you carry this institution with you. Serve your patients with skill and compassion. Care for animals and communities responsibly. Question boldly and keep learning,” Dr Kigozi, said.

Delivering the commencement address, Dr. Kigozi lauded the graduates for their dedication to careers that directly impact lives and communities. She encouraged them to use their knowledge generously and exercise their power gently.

 “Your education has trained you to ask better questions. Your humanity must guide the answers. Never forget that behind every chart, every case, every animal, every experiment, there is life. And life deserves care, patience, and dignity. Give every person you come in contact with care, patience and dignity,” Dr Kigozi, noted.

As the graduates embark on their professional journeys, Dr. Kigozi emphasized the importance of cultivating basic business acumen and financial literacy to ensure sustainability in their work.

R-L: Vice Chancellor-Prof. Barnabas Nawangwe, Dr. Maggie Kigozi, Vice Chair Council-Rt. Hon. Daniel Kidega and Chair Council-Dr. Lorna Magara in the Academic Procession. 76th Graduation Ceremony, Day 2, College of Natural Sciences (CoNAS), the College of Veterinary Medicine, Animal Resources and Bio-Security (CoVAB), the College of Health Sciences (CHS) and the School of Public Health (SPH). Commencement Speaker-Dr. Margaret J. Kigozi, Makerere University Endowment Fund Chairperson. 25th February 2026, Freedom Square, Kampala Uganda, East Africa.
R-L: Vice Chancellor-Prof. Barnabas Nawangwe, Dr. Maggie Kigozi, Vice Chair Council-Rt. Hon. Daniel Kidega and Chair Council-Dr. Lorna Magara in the Academic Procession.

 “You do not need to become accountants but you must be able to read the essentials: understand simple financial statements, budgets and key metrics so you can judge whether a clinic, lab, or program is sustainable. You are encouraged to start your business. There are numerous investment opportunities in your areas of training. You can provide services to our people and create jobs,” Dr Kigozi, said.

She shared candidly how, when she first stepped into leadership, she realised she did not understand balance sheets or budgets well enough. So, she returned to Makerere for short courses to strengthen herself.

“A well-run Hospital, clinic or lab delivers better outcomes, attracts staff, and secures funding. Business savvy is not only about profit, it’s about sustainability and the freedom to serve ethically and effectively. Carry clinical skill with business sense so your work endures and grows,” Dr. Kigozi, noted.

Quoting renowned writer and producer Shonda Rhimes, creator of Grey’s Anatomy, who once reflected that succeeding in one area of life can sometimes mean falling short in another, Dr. Kigozi encouraged women graduates to intentionally balance professional ambition with family responsibilities.

 “When one area thrives, another is often under strain. When Navio was graduating from school I had to manage the Presidential Investor Round Table on the same day as Executive Director Uganda Investment Authority. I chose my job and delegated his siblings to attend Navios graduation. I learnt from this. I choose family always after that thing you achieve once and keep forever,” Dr Kigozi, said.

In his speech, the Prof Barnabas Nawangwe, the Vice Chancellor, informed the congregation that Makerere’s ranking on all university ranking platforms has remained stable, placing Makerere among the top 10 African universities and within the top 4.5% globally.

“In the Times Higher Education global ranking, Makerere University made a formidable jump from the 1200-1500 bracket to the 800-1000 bracket. This was no mean achievement and I congratulate all members of the Makerere Community on this stellar performance,” Prof Nawangwe, said.

Carol Kasujja
Carol Kasujja Adii

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Graduation marks the next phase of accountability, graduates told

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Left to Right: Prof. Barnabas Nawangwe,Prof. Nicholas Ozor, Rt. Hon. Daniel Kidega, Dr. Lorna Magara, Hon. Dr. Joyce Moriku Kaducu, Ms. Anthea Ampaire and Hon. Dr. Crispus Kiyonga in the academic procession. 76th Graduation Ceremony, Day 1, CAES, CoCIS, CEES and School of Law. Commencement Speaker-Prof. Nicholas Ozor, the Executive Director of the African Technology Policy Studies Network, Nairobi, Kenya. 24th February 202, Freedom Square, Makerere University, Kampala Uganda, East Africa.

“A degree is not a finish line. Graduation is not the end of learning, It is the beginning of accountability,” Prof. Nicholas Ozor, the Executive Director of the African Technology Policy Studies Network Nairobi, Kenya (ATPS), said.

Delivering a keynote address under the theme ‘Knowledge with purpose’, during Makerere University’s 76th graduation ceremony on Tuesday 24th February, Prof Ozor, challenged graduates to see their degrees not as status symbols, but as instruments of responsibility.

In his speech, he painted a candid picture of the world the graduates are stepping into, one marked by climate change, technological disruption, inequality, food insecurity and the rapid spread of misinformation. Yet rather than framing these challenges as obstacles, he described them as opportunities for purposeful leadership.

“Into this world, you step, armed with knowledge, credentials, and potential. Your degrees do not make you better than others. They make you responsible for others,” Prof Ozor, said.

Addressing graduands from College of Agricultural and Environmental Sciences (CAES)
College of Computing and Information Sciences (CoCIS), College of Education and External Studies (CEES) and School of Law (SoL), Prof. Ozor tailored his message to each field of study.

To graduates of the School of Law, he described the legal profession as a moral calling, urging them to use the law to protect the vulnerable and uphold justice with courage.

“Uganda, Africa, and the world do not need lawyers who only know how to argue. They need lawyers who know why they argue. Use the law to protect the weak, not intimidate them. Use your knowledge to defend justice, not delay it. Let integrity define your reputation not merely your résumé,” Prof Ozor, said.

For graduands who might feel that shortcuts will be tempting and silence will feel safer than truth, Prof. Ozor reminded them that justice does not need clever people, but courageous ones.

To the College of Education and External Studies, he underscored the transformative power of teachers, reminding them that classrooms shape nations long before policies do.

“Every nation rises and falls on the quality of its teachers. Never underestimate the power of a classroom. Teach not only for examinations, but for understanding. Teach not only content, but character. Teach learners how to think not what to think. Education is quiet work but its impact echoes across generations,” Prof Ozor, noted.

He called upon graduands from the College of Computing and Information Sciences, to use technology to solve African problems, not merely to imitate foreign solutions.

“Technology is powerful, but it is not neutral. Every line of code carries values. Every system you design affects real lives. Build for inclusion. Build for accessibility. Build for truth. Do not let innovation outrun ethics. The future will not belong to those who know the most technology, but to those who use it wisely,” He noted.

During the ceremony, Prof Ozor announced that the African Technology Policy Studies Network is offering PhD scholarships and postdoctoral fellowships in Artificial Intelligence, inviting deeper collaboration with Makerere.

For graduates of the College of Agricultural and Environmental Sciences, he highlighted their critical role at the intersection of sustainability and survival, calling on them to blend indigenous knowledge with scientific innovation to secure Africa’s food systems and protect its ecosystems.

In closing, he reminded graduands that their integrity will open doors their degrees cannot, their humility will teach them lessons success never will, and their resilience will matter more than their grades.

Five principles to be remembered:

  1. Embrace lifelong learning. The world changes too fast for static knowledge.
  2. Choose purpose over comfort. Impact matters more than income.
  3. Build character before career. Skills get you hired; character sustains you.
  4. Serve something larger than yourself. Give back to your communities and your country.
  5. Believe in Africa, and act. Do not wait for solutions from elsewhere. Be the solution.

Carol Kasujja
Carol Kasujja Adii

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