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Agriculture & Environment

Mak-CAES research projects to boost food security through climate smart innovations

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Food insecurity and malnutrition are on the rise in Sub-Saharan Africa (SSA). The slow progress towards food security is partly attributed to demographic pressure, soil quality deterioration, and climate change that have adversely affected agricultural productivity.    

To address the challenge, Makerere University College of Agricultural and Environmental Sciences (CAES) in collaboration with the Norwegian University of Life Sciences (NMBU) is implementing two 5-year (2021-2026) capacity building projects aimed at improving food security and livelihoods using climate smart agricultural technologies. The projects namely: “Climate-smart Innovations in Agriculture in Sub Saharan Africa: Improved food security, livelihoods, and soil carbon” (ClimSmart), and “Climate Smart Agriculture in Sub Saharan Africa” (NORHED II) are supported by the Norwegian Research Council (NRC) and the Norwegian Agency for Development Cooperation (NORAD). Partner institutions in Norway include the Norwegian Geotechnical Institute (NGI) and Menon Economics while in the South, partners include Gulu University’s Faculty of Agriculture and Environment; Rural Enterprise Development Solutions (REDS); Hawassa University’s Wondo Genet College of Forestry and Natural Resources; University of Zambia’s School of Agricultural Sciences; and University of Juba’s School of Natural Resources and Environmental Studies.

Right-Left - Dr Jackline Bonabana-Wabbi, PI ClimSmart and Co-PI NORHED II CSA; Prof. Frank Kansiime, project member; Dr Patrick
Right-Left: Dr Jackline Bonabana Wabbi, PI ClimSmart and Co-PI NORHED II CSA, Prof. Frank Kansiime, project member, Dr Patrick Musinguzi, Lecturer Department of Agricultural Production and Dr. Basamba Ali Twaha Ateenyi (Project Member)

The overall objective of the ClimSmart project is to contribute to increased food security, on-farm profitability, and entrepreneurship in communities of smallholder farms in Uganda, thus improving livelihoods through training and implementation of novel climate-smart practices in Agriculture. The overall objective of the NORHED II project is to generate and share new knowledge and to contribute to capacity building with respect to food security and on-farm profitability in Sub-Saharan Africa through innovative and sustainable climate-smart technologies.

Prof. Vegard Martinsen from the Norwegian University of Life Sciences presenting an overview of the NORHED II projects
Prof. Vegard Martinsen from the Norwegian University of Life Sciences presenting an overview of the NORHED II projects

The project sites in Uganda are in Alebtong and Mubende districts representing two distinct agro-ecological zones. Broad activities under the projects´ objectives include setting up, running, and monitoring controlled field experiments and pot experiments; setting up randomized control trials and conducting surveys; training farmers on Climate Smart Agriculture technologies; collecting and analyzing data for all experiments; and knowledge generation and knowledge transfer.

Prof. Kyamanywa presenting the NORHED II Project activity plan
Prof. Kyamanywa presenting the NORHED II Project activity plan

Expected outputs under the NORHED II project

Expected outputs under the NORHED II project include; 8 MSc students and 5 PhD students in the South; One PhD funded by NMBU -MINA; two post-doctoral scholarships; strengtheningresearchcapacity at the participating institutions; andabout 30 peer reviewed joint scientific publications. Further capacity building is expected through organization of three summer schools involving all partners, students from the five universities, as well as NGO’s and government representatives. Each summer school will involve one student from NMBU and two students from each of the partner institutions in the South leading to a total of 48 students trained in novel Climate Smart Agriculture (CSA) technologies. Other outcomes will include scientific exchange stimulated by scholarships for two students or staff at each of the partner institutions in the South for short-term mobility from South-North; Curricula development; developed CSA innovations packaged into policy briefs, and extension manuals; 1000 farmers trained in pigeon pea production in Uganda and Zambia and 500 smallholders trained in biochar production in both Zambia and Uganda, using pigeon pea biomass as feedstock. In addition, methods and results for CSA and impact assessments will be integrated into academic curricula on sustainable agriculture in the partner universities.

Prof. Jan Mulder from the Norwegian University of Life Sciences sharing views on the NORHED II Project
Prof. Jan Mulder from the Norwegian University of Life Sciences sharing views on the NORHED II Project

Expected outcomes

Overall, the project is expected to enhance agricultural productivity and income of smallholder farmers through sustainable intensification in the target countries as well as a better qualified workforce in Sub Saharan Africa. It is also expected to strengthen the quality and relevance of education and research programmes of the participating organizations, increase capacity and competence of university staff and students, and improve stakeholder engagements.

Dr. Alfred Obia (2nd R), Coordinator of the projects at Gulu University; together with representatives from Rural Enterprise Development Solutions and PhD students at the meeting

CAES Researchers, Norwegian Professors discuss project implementation plan

Prof Gerard Cornelissen from the Norwegian University of Life Sciences delivering a lecture on the process of making biochar from contaminated organic waste
Prof. Gerard Cornelissen from the Norwegian Geotechnical Institute (NGI) delivering a lecture  on-the process of making biochar from contaminated organic waste

In a bid to streamline and strengthen the NORHED II project activities, Prof. Vegard Martinsen and Prof. Jan Mulder from the Norwegian University of Life Sciences visited Uganda on 2nd-11th March 2022 to engage their counterparts on a number of issues. On 4th March 2022, the two Professors met the project team in Uganda to deliberate on the implementation plan. The meeting held at the School of Agricultural Sciences, CAES was attended by, among others, Prof. Samuel Kyamanywa (PI of NORHED II CSA), Dr Jackline Bonabana-Wabbi (PI ClimSmart and Co-PI NORHED II CSA), Dr Basamba Ali Twaha Ateenyi (project member), representatives of partner institutions including; Dr. Alfred Obia, Coordinator of the projects at Gulu University and Mr. Edward Gitta from Rural Enterprise Development Solutions, as well as PhD students supported by the project. Other members on the project are; The Principal of CAES, Dr Gorettie N. Nabanoga from the Department of Extension and Innovation Studies; Prof. Frank Kansiime from the Department Environmental Management; Prof. Majaliwa Mwanjalolo from the Department of Geography, Geoinformatics and Climatic Sciences; Dr Yazidhi Bamutaze from the Department of Geography, Geoinformatics & Climatic Sciences; and Dr. Patrick Musinguzi from the Department of Agricultural Production.

Planned research activities under the NORHED II project

Under the project, the research team intends to address issues related to crop production, soil water management, soil fertility management, and the socio-economic aspects in regard to climate smart technologies in agriculture. Under soil fertility management, the researchers plan to among other things, assess biomass production and soil carbon sequestration in rain-fed cropping systems under different climate change scenarios. They also plan to study the dominating food production systems to unravel bottlenecks in terms of yield and quality, and to identify and optimize inexpensive (on farm) sources of mineral nutrition such as farmyard manure and household compost.

Under Soil Water Management, the research team will determine the effects of traditional tillage systems, soil bunds and other CSA strategies on rainwater harvesting, runoff, soil erosion and nutrient loss at different scales. They will also examine the effects of CSA practices on soil physical properties, soil water availability and crop yield. The researchers will also quantify different aspects of the water balance under different CSA management practices to ensure sustainable use of surface and subsurface water and minimize erosion risks.

Examining the socio-economic aspects in relation to Climate Smart Agriculture (CSA) technologies, the researchers will determine the contribution of CSA technologies to yield, net farm incomes, food security and poverty reduction. They will assess social acceptance and socio-economics of CSA technologies; determine farmers’ willingness to accept CSA technologies; establish stakeholder perceptions of CSA technologies using the SWOT-AHP approach to ascertain their relative strength and weaknesses; determine business opportunities associated with developed CSA technologies; and investigate the most appropriate uptake pathways for scaling CSA technologies and limiting attrition rates once adopted.

CAES staff and students as well as project partners during the guest lectures
CAES staff and students as well as project partners during the guest lectures

Guest lectures

During the week-long visit, the Norwegian professors toured the project sites in Alebtong and Mubende districts and delivered guest lectures to the University community.

During the guest lectures delivered on 11th March 2022, Dr Alfred Obia from the Faculty of Agriculture and Environment at Gulu University discussed the potential of biochar as a soil enhancer in crop production, shedding light on the effects of biochar on soil physical and chemical properties, and its contribution towards mitigating the effects of climate change. Biochar refers to carbonized biomass obtained from sustainable sources and sequestered in soils to sustainably enhance their productivity.

Biochar making process
Biochar making process

Prof Gerard Cornelissen, a technical expert at the Norwegian Geotechnical Institute and a professor at the Norwegian University of Life Sciences, explained the process of making biochar from contaminated organic waste to clean-up water and soil, whereas Prof. Vegard Martinsen a researcher at the Norwegian University of Life Sciences and Principal Investigator of the ClimSmart and NORHED II projects shared insights into conservation agriculture in Sub Saharan Africa.

In his presentation titled “Testing the pigeon pea – biochar – maize value chain”, Jan Mulder, a Professor of Soil Science at the Norwegian University of Life Sciences explained how the pigeon pea and its biochar greatly enhance soil fertility through increased soil organic matter, improved water retention, improved retention nutrient cations, improved soil structure (aggregates), decreased erodibility, increased nitrogen availability and increased phosphorus availability. 

The project team at the meeting at CAES
The project team at the meeting at CAES

Agriculture & Environment

CAES Annual Report 2023

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Cover page of the CAES Annual Report 2023. Makerere University, Kampala Uganda, East Africa.
Prof. Gorettie Nabanoga
Prof. Gorettie Nabanoga

With utmost delight, I am honoured to present the Annual Report of the College of Agricultural and Environmental Sciences (CAES) for the year 2023. As we look back on the accomplishments and obstacles of the past year, I extend my deepest appreciation to each and every one of you who contributed to our collective achievements. It has truly been a year of fulfilment and progress. In 2023, CAES proudly celebrated the graduation of 592 students, of whom 48% were female, at the 74th Graduation Ceremony. Among them were 14 PhD, 94 MSc, 5 Post Graduate Diplomas, and 479 BSc graduates across various disciplines in agricultural and environmental sciences. My sincere congratulations to all the graduates and the dedicated staff who supported them throughout their journey.

Reflecting on the commitments made in 2022 for the year 2023, we have made substantial strides. I am pleased to report that our faculty and students successfully adapted to the blended mode of teaching and learning. We remain steadfast in our dedication to a learner-centered, practical-oriented, and gender-responsive approach, with the goal of nurturing skilled, entrepreneurial, and innovative graduates capable of addressing challenges in the Agricultural and Environmental sectors.

Furthermore, we have revised the curriculum for approximately 15 programs, enriching content to include skills relevant to entrepreneurial green economies. This underscores our commitment to fostering innovation within CAES and equipping our graduates with the tools they need to thrive in dynamic professional landscapes.

Moreover, our college continues to advance knowledge, tackle critical challenges, and make a positive impact on society. Notably, the Makerere University Regional Centre of Excellence for Crop Improvement (MaRCCI) has been elevated to an “African Host Centre (AHU/C) for training high-quality PhDs in Plant Breeding and Biotechnology.” This initiative aims to address the human resource gap in highly qualified specialists in these fields across Africa, reaffirming our commitment to excellence and leadership in agricultural education and research. For the reporting year, CAES has registered several achievements as highlighted.

Teaching and Learning for improving learner experiences

The introduction and implementation of the CAES-GRADCARE Management System represents a significant milestone in our efforts to enhance graduate management processes within the College of Agricultural and Environmental Sciences. This innovative system was meticulously crafted to streamline operations, optimize workflow, and elevate overall efficiency and effectiveness. Its primary objectives include improving supervision mechanisms, reducing lead times, and minimizing costs associated with thesis examination. Moreover, the system empowers stakeholders with invaluable data insights, facilitating informed decision-making across various levels of academic administration.

Research and Innovation for impacting society

In our relentless pursuit of ethical research practices, we are proud to announce the establishment and full operationalization of the CAES Research Ethics Committee/Institutional Review Board (CAES-REC/IRB). This critical initiative underscores our commitment to upholding the highest standards of integrity and transparency in our research endeavors. Our dedication to innovation is exemplified by the introduction of the MakSol Cooker—a solar-powered marvel poised to revolutionize cooking practices while significantly reducing carbon footprints within households. This transformative solution not only addresses environmental concerns but also promotes sustainable living on a tangible, everyday level. Furthermore, our research efforts have yielded remarkable breakthroughs in agriculture and food security. Through the development of bio-fertilizer formulations, we aim to unlock crop productivity while simultaneously addressing soil nitrogen deficiencies, thereby enhancing household food security and bolstering agricultural sustainability. In tandem with our agricultural innovations, we have successfully bred resilient Mak Soybean, Cowpea and Sorghum varieties, capable of withstanding drought, disease, pests, and climate stress while boasting shortened maturity periods. These advancements provide a vital protein source, particularly in regions prone to agricultural challenges, and enable the production of value-added products, contributing to enhanced food security and resilience, further enhancing the agricultural value chain. In our quest for sustainable agricultural practices, we have developed innovative solutions such as the Soil Test Kit, facilitating simplified soil management by offering rapid semi-quantitative evaluations of essential elements crucial for optimal plant growth. This tool empowers farmers with actionable insights to optimize crop yields and promote sustainable land stewardship. Additionally, our Hybrid Refractance Window Drying equipment represents a game-changer in post-harvest handling, ensuring consistent drying of perishable agricultural produce. By preserving the quality of fruits and vegetables, this technology enhances the value chain, thereby maximizing agricultural productivity and reducing post-harvest losses. Furthermore, our efforts extend beyond crops to encompass livestock management and nutrition. Through the development of protocols for Banana Tissue Culture and value addition to Sweet Potato-Sorghum enterprises, we aim to improve agricultural livelihoods and economic resilience among farming communities. Innovative solutions such as rearing and utilizing blue flies, maggots, and earthworms as alternative protein sources for poultry and fish feeds demonstrate our commitment to sustainable feed production. These efforts not only diversify protein sources but also promote circular economies by utilizing agricultural by-products effectively. Moreover, our research endeavors have yielded transformative solutions to combat malnutrition and poverty. The development of a livestock milk booster, derived from sugarcane industrial waste, addresses nutritional deficiencies while enhancing dairy production, thereby improving livelihoods and food security. Our commitment to research and innovation for societal impact is unwavering. From ground-breaking agricultural technologies to transformative solutions for nutrition and food safety, we remain dedicated to advancing sustainable development and improving livelihoods across communities. Through collaborative efforts and relentless innovation, we strive to create a brighter, more resilient future for all.

Knowledge transfer and Community engagement

This 2023 Annual Report highlights several impactful knowledge sharing initiatives undertaken by CAES: i) NARO-Makerere Third Joint Scientific Conference, ii) Summer School on Landscape Ecology, iii) International Collaboration in Soybean Research, iv) Policy Dialogue on Climate Science, v) Recognition at the 29th Source of the Nile National Agricultural Show, vi) Youth and Innovation Expo 2023, vii) Training Programs for Capacity Building, viii) Capacity Building in Seed and Agronomic Practices, and ix) Soybean Seed Distribution. These initiatives underscore CAES’ commitment to knowledge transfer, community engagement, and sustainable agricultural development, reflecting our dedication to fostering innovation and driving positive change in Uganda and beyond. The accomplishments detailed in this report are a testament to the unwavering dedication and collaborative efforts of our esteemed staff, students, and partners.

Throughout this reporting year, we have witnessed remarkable growth and achievement among our faculty members, with several individuals being promoted and duly recognized for their outstanding contributions.

Looking ahead, we are presented with a multitude of opportunities to further our impact and achieve even greater heights of excellence. As we embark on the next chapter of our journey, we remain steadfast in our commitment to academic excellence, research, innovation, and societal impact. In the coming year, we will continue to focus on strengthening our academic programs, fostering interdisciplinary and multi-stakeholder collaboration, and expanding our innovative research initiatives to address pressing challenges in agriculture, environmental sustainability, and food security. We will also prioritize initiatives aimed at enhancing diversity, equity, and inclusion within our college community, ensuring that all voices are heard and valued. As we navigate the path ahead, I am confident that together, we will overcome any challenges that may arise and continue to make significant contributions to the advancement of Agricultural and Environmental Sciences. As Winston Churchill stated, “Success is not final, failure is not fatal: It is the courage to continue that counts”.

I invite you to explore the pages of this Annual Report to learn more about our achievements, challenges, and aspirations for the future.

Prof. Gorettie Nabanoga
PRINCIPAL, CAES

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Agriculture & Environment

The Joint ClimSMART-NORHED II CSA Summer School Second Edition 2024 Kicks Off at Mak

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Participants of the joint CSA-ClimSMART Summer School at Makerere University’s College of Agricultural and Environmental Sciences (CAES). Inauguration of the 2024 edition of the ClimSMART-NORHEDII CSA Summer School funded by the Norwegian Agency for Development Cooperation (NORAD) and the Norwegian Research Council, kick off theory sessions from May 27th to 28th, 2024, Makerere University, Kampala Uganda, East Africa.

By Brian Ogenrwoth

Makerere University, in collaboration with Gulu University, has inaugurated the 2024 edition of the ClimSMART-NORHEDII CSA Summer School. Funded by the Norwegian Agency for Development Cooperation (NORAD) and the Norwegian Research Council, the program began with a series of theory sessions from May 27th to 28th, 2024. This year’s event has drawn 23 postgraduate students (MSc and PhDs) from 7 countries studying at 5 African universities namely; Makerere University, Gulu University, University of Zambia, Hawassa University and University of Juba, and the Norwegian University of Life Sciences (NMBU). Additionally, 16 scientists and three postdoctoral researchers from the participating institutions have joined the initiative.

CAES Principal, Prof. Gorettie Nabanoga addressing the participants. Inauguration of the 2024 edition of the ClimSMART-NORHEDII CSA Summer School funded by the Norwegian Agency for Development Cooperation (NORAD) and the Norwegian Research Council, kick off theory sessions from May 27th to 28th, 2024, Makerere University, Kampala Uganda, East Africa.
CAES Principal, Prof. Gorettie Nabanoga addressing the participants.

Prof. Jackline Bonabana, the Principal Investigator of the ClimSMART project and Co-Principal Investigator of the NORHED II CSA project who coordinated the Summer School, emphasized the comprehensive and multifaceted nature of the program. She highlighted that the sessions would cover critical topics in climate-smart agriculture, biochar, climate change, and food security. Prof. Samuel Kyamanywa, the Principal Investigator of the NORHED II CSA project, applauded the collaborative efforts of the Climsmart/NORHED II partners and delivered an engaging presentation on insect pests and their management in the context of climate change.

Prof. Jan Mulder of NMBU delivering a presentation on food security in Sub-Saharan Africa. Inauguration of the 2024 edition of the ClimSMART-NORHEDII CSA Summer School funded by the Norwegian Agency for Development Cooperation (NORAD) and the Norwegian Research Council, kick off theory sessions from May 27th to 28th, 2024, Makerere University, Kampala Uganda, East Africa.
Prof. Jan Mulder of NMBU delivering a presentation on food security in Sub-Saharan Africa.

Prof. Vegard Martinsen from the Norwegian University of Life Sciences (NMBU) underscored the vast research opportunities in climate-smart agriculture on the African continent. He noted the region’s unique context and the increasing impact of climate change as pivotal factors for continued need for meaningful research and empirical evidence.

Participants and scientists listening to presentation on site assessment and sampling for agriculture. Inauguration of the 2024 edition of the ClimSMART-NORHEDII CSA Summer School funded by the Norwegian Agency for Development Cooperation (NORAD) and the Norwegian Research Council, kick off theory sessions from May 27th to 28th, 2024, Makerere University, Kampala Uganda, East Africa.
Participants and scientists listening to presentation on site assessment and sampling for agriculture.

Prof. Gorettie Nabanoga, Principal of the College of Agricultural and Environmental Sciences (CAES) at Makerere University, presented on critical thinking and officially welcomed participants, stressing the urgent need to upscale such collaborative efforts to tackle food insecurity and climate change. She affirmed that such programmes align to the Makerere University agenda and strategic direction.

Participants at MUARIK. Inauguration of the 2024 edition of the ClimSMART-NORHEDII CSA Summer School funded by the Norwegian Agency for Development Cooperation (NORAD) and the Norwegian Research Council, kick off theory sessions from May 27th to 28th, 2024, Makerere University, Kampala Uganda, East Africa.
Participants at MUARIK.

The sessions also featured a variety of expert presentations, including:

  • Food Security in SSA by Prof. Jan Mulder (Norwegian University of Life Sciences)
  • Site Assessment and Sampling for Agriculture by Prof. Lydia Chabala (University of Zambia)
  • Aqua Crop Model for Land Management by Prof. Elijah Phiri (University of Zambia)
  • Understanding Basic Concepts in Soil Fertility by Dr. Patrick Musinguzi and Prof. Twaha Basamba Ali (Makerere University)
  • Weed Management by Dr. Sylvester Katuromunda (Makerere University)
  • Co-Composting Organic Wastes with Biochar by Prof. Fantaw Yimer (Hawassa University)
  • Socio-Economic Topics like personal branding and marketing by Prof. Basil Mugonola and Dr. Walter Odongo, climate resilience governance and management practice by Dr. Patrick Byakagaba (Makerere University), and communication and presentation skills by Mr. Edward Gita (Rural Enterprise Development Solutions). Very insightful presentations were made by the Post Doc and PhD students as well.

The practical sessions, scheduled from May 29th to June 9th, 2024, will include farmer field visits, laboratory sessions, group discussions, data analysis, and presentations at Gulu University.

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Agriculture & Environment

Eco Brixs Seeks to Collaborate with Mak in Plastics Waste Management

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The CEO of Eco Brixs, Mr. Andrew Bownds (2nd R) with the Makerere University team led by the Vice Chancellor, Prof. Barnabas Nawangwe (3rd R) after the meeting on 8th May 2024. Rotary Peace Centre, Frank Kalimuzo Central Teaching Facility, Makerere University, Kampala Uganda, East Africa.

Poor waste disposal remains one of the biggest challenges in Uganda pausing a number of environmental and health risks. According to the Ministry of Water and Environment, plastic waste is becoming disastrous to urban and rural areas due to poor disposal practices. All store purchases are packaged in polythene bags, and without proper disposal, plastic garbage can be seen everywhere. During the rainy season, they are washed into water channels, where they block drainage. Single-use packaging for soda, water, and other drinks results in mountains of garbage heaping up in legal and illegal dumpsites – The Independent Magazine, 30th May 2022.


As a measure to improve plastics waste management in the country, Eco Brixs has reached out to Makerere University to collaborate in addressing the challenge. On 8th May 2024, the CEO, also Co-Founder of Eco Brixs, Mr. Andrew Bownds held a meeting with Makerere University officials led by the Vice Chancellor, Prof. Barnabas Nawangwe in which they brainstormed on different areas for collaboration.

Proposed areas for collaboration

  1. Research, Eco Brixs seeks to collaborate with Makerere University in Product Testing. Eco Brixs is producing new products monthly and requires lab tests to support UNBS certification. The Company also seeks to collaborate with Makerere in Environmental Research. The Company intends to work with PhD students to complete focused research on plastic pollution and the recycling process.
  2. Internships – Eco Brixs has had 50 students complete internships and would love to grow that with Makerere.
  3. Be Makerere Official Recyclers – Eco Brixs seeks to be the recycler of Makerere University. Suggestions were made to jointly source funding to address the challenge and to set up a plastic waste collection centre at Makerere University.

During the meeting, the Vice Chancellor, Prof. Barnabas Nawangwe welcomed the initiative and reiterated the need to include students on projects to ensure sustainability. The meeting was attended by among others the Principal, College of Agricultural and Environmental Sciences (CAES), Prof. Gorettie Nabanoga; the Dean, School of Forestry, Environmental and Geographical Sciences, Dr Revocatus Twinomuhangi; and the Manager in charge of Accounts and Reporting at Makerere University, Mr Lubowa Ssebina Gyaviira.

About Eco Brixs

Eco Brixs is a plastic recycling enterprise which uses a sustainable circular economic model to address the challenges of plastic waste and high unemployment levels in Uganda. Eco Brixs collects, recycles, and processes plastic waste into Eco Products for a ready market. Addressing plastic pollution and lifting people out of abject poverty through sustainable employment is one of the core roles of Eco Brixs. Operating since 2017, Eco Brixs has a plastic waste collection network that has seen 3,000 people delivering plastic into one of the enterprise’s 44 Buy-Back centres and engaging in earning through the recycling economy. Eco Brixs model is replicable and scalable to achieve its vision of being the Biggest Recycler in East Africa with franchises across the developing world. Eco Brixs is focused on driving green job creation through sustainable conservation.

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