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World Toilet Day 2024: Toilets as a place for peace and climate action
Published:
Today, on World Toilet Day, we recognize toilets not just as an essential part of our daily lives but also as spaces that embody dignity, equality, and peace. This year’s theme, “Toilets: A place for peace,” reminds us of the critical role sanitation plays in fostering harmony—whether by reducing health disparities, mitigating environmental conflicts, or enhancing resilience to climate change. Within our Sanitation and Health team at the Stockholm Environment Institute (SEI), our work has been focusing on the transformative potential of sanitation to contribute to a healthier, more equitable, and sustainable world. This year, two recent media articles have spotlighted some of our work, underscoring how toilets can be a tool for peace by addressing global climate challenges.
New article at the SDG Knowledge Hub: Advancing climate finance for climate-resilient sanitation
Published:
Together with my colleagues at SEI - Nhilce Esquivel and Carla Liera and other colleagues from the Climate Resilient Sanitation Coalition, we recently published an article on the SDG Knowledge Hub, introducing the newly developed Practical Guidelines for Designing Climate-resilient Sanitation Projects for the Green Climate Fund (GCF). These guidelines, a collaborative effort put together by members the Climate Resilient Sanitation Coalition, provide actionable recommendations for integrating climate adaptation and mitigation within sanitation projects, aiming to secure essential funding for vulnerable communities facing climate-related sanitation challenges. Set to launch at COP29, the guidelines offer practical tools for national governments and other stakeholders to align sanitation with climate strategies and access GCF funding.
Engagements at the 9th Africa Water Week in Cairo
Published:
This week, I had the opportunity of attending the 9th Africa Water Week in Cairo, Egypt, a flagship event convened by the African Ministers’ Council on Water (AMCOW). This year’s event brought together experts, policymakers, and stakeholders from across Africa and beyond to address the pressing challenges in water management and WASH (Water, Sanitation, and Hygiene) services provision on the continent. Under the theme of “Placing Water and Sanitation at the Heart of Achieving Agenda 2063: the Africa We Want”, Africa Water Week fostered dialogue and showcased innovative solutions, bringing the vision of Agenda 2063 and the Africa Water Vision 2025 into sharper focus. Throughout the conference, I had the opportunity to participate in several sessions and engage in discussions on sanitation, climate resilience, resource recovery, and the Water-Energy-Food (WEF) Nexus, as described below.
Engagements at the World Water Week 2024
Published:
We’ve just concluded World Water Week 2024 which convened water and sanitation professionals from around the globe to address this year’s theme of “bridging borders: water for a peaceful and sustainable future.” In Stockholm and online, participants explored water’s dual role in both fueling and mitigating conflicts, with discussions covering everything from water security and cooperation across political divides to strategies for building climate-resilient and sustainable water and sanitation systems. Throughout the week, I engaged in diverse panels and sessions that underscored the role of sanitation in promoting resilience, sustainability, and cross-border collaboration.
Emerging evidence on the linkages between climate change and sanitation, for mitigation and adaptation
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This week, we held a long awaited webinar about emerging evidence and action on the climate-sanitation linkages, on May 29th. The webinar was the result of a collaboration between the International Water Association (IWA) and the Climate Resilient Sanitation Coalition (CRSC), and aimed to provide an overview of the emerging evidence on the linkages between sanitation and climate change both from mitigation and adaptation perspectives.
Facilitating a strategy development process in Kenya
Published:
Over the past few months, a few of my colleagues at SEI and I have been engaged in a project to support our partners at Hand in Hand Eastern Africa to develop a strategy for their work on waste management and circular economy issues. Hand in Hand Eastern Africa is part of the global network Hand in Hand, which supports people at the bottom of the pyramid to build business that lift them out of poverty and build better livelihoods. They run a wide range of programs and in recent years, they envision waste management and circular economy as a crucial area where they can contribute simultaneously to improving people’s economic prospects, as well as environmental sustainability.
So throughout this week, I have been in Nairobi to meet with the Hand in Hand Eastern Africa team and to conduct a strategy development workshop, together with my colleagues from the SEI Africa office in Nairobi - Alphayo Lutta, Anderson Kehbila, Cynthia Sitati and Pauline Macharia.
Why sanitation is critical for action towards the Global Methane Pledge
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As the Global Methane Pledge gains momentum, the often-overlooked role of sanitation in methane emissions demands attention. This article delves into why effective sanitation management is crucial for achieving the pledge’s ambitious targets.
New article at SIANI on turning wastewater into a resource and how this contributes to food security and climate action
Published:
I recently wrote a blog post that has now been published on the website of the Swedish International Agriculture Network Initiative (SIANI). In the article, I explore how regions like Murcia, Spain, are addressing water scarcity and bolstering food security by reusing treated wastewater for agriculture. This practice not only sustains agricultural production but also contributes to climate mitigation and adaptation by recycling valuable nutrients and reducing greenhouse gas emissions. Emphasizing the need for innovative solutions in wastewater management, the article calls for greater engagement, efficient resource recovery, and strategic financing to overcome existing challenges to scaling up resource recovery from wastewater.
Knowledge mingle on plastic waste management at Kulturhuset
Published:
On Monday October 9, 2023, I had the opportunity to participate in a knowledge mingle event on plastic pollution and poverty alleviation, organized by Hand in Hand Sweden and Håll Sverige Rent at Kulturhuset Stadsteatern in Stockholm. The event aimed to raise awareness and foster dialogue on how plastic pollution and poverty are interrelated, and how we can work together to improve the situation for both the planet and the people.
Climate-resilient sanitation: three takeaways from World Water Week 2023
Published:
World Water Week 2023 underscored the urgent need for climate-resilient sanitation amid escalating climate change impacts. Despite growing awareness, challenges remain in understanding cause-effect relationships and securing adequate funding for sustainable sanitation systems.
Resource recovery in sanitation planning: What can decision support tools do for you?
Published:
Our paper “A review of how decision support tools address resource recovery in sanitation systems” has just been published, the result of a collaborative effort with colleagues Kim Andersson, Sarah Dickin, Elisabeth Ekener and Göran Finnveden. In this paper, we review 24 decision support software tools used for sanitation planning, and provide insights into how they address resource recovery across the sanitation service chain with regards to analysis of material flows, integrating resource recovery technologies and products in the design of sanitation systems, and assessing the sustainability implications of resource recovery.
Resources on the circular economy, energy and food
Published:
On this page, I provide a list of relevant resources related to circular economy, energy and food. The resources are provided as a reference for interested participants in circular economy related events at the Gothenburg International Science Festival 2023. You can use the links/URLs to access each resource.
Exploring the circular economy potential of Naivasha’s organic waste
Published:
Every day, Kenyan urban areas generate solid waste at the rate of 0.31 to 0.75 kg per person per day. Less than half of that waste is collected and only about 8% of it is recycled. The rest ends up in landfills and dump sites leading to pollution, adverse health impacts and degradation of the ecosystem.
The Kenya Sanitation Conference showed we know what to do – now it’s time to do it
Published:
The event proved sanitation discourse in Kenya has made great strides towards inclusiveness, realism and sustainability. Hopefully, we’ll see these values reflected in action. Kenya pays dearly for the gaps in its sanitation and hygiene services: total economic costs have been estimated at US$ 324 million annually. About 12.5% of Kenyans still practise open defecation and most of the population don’t have access to safely managed sanitation services, according to the latest report of WHO and UNICEF’s Joint Monitoring Program.
How to write a motivational letter
Published:
I am enthusiastic about higher education and its potential to not only enable people achieve their dreams, but also to contribute to the economy through the development of human capital. Therefore, I have always been glad to help people go about the procedures of applications and admissions to university education. This being a peak season for many universities’ admissions cycles, several colleagues have contacted me over the past month or so to help them, mostly to review and critique their motivational statement/letters. The more people I worked with, the more I thought about writing a general guide to help perhaps even more people go about the process of crafting a motivational statement that best presents their personality and hopefully helps them stand out from the huge crowd of applicants.
publications
Mentorship: a missing link in education in Sub-Saharan Africa
Ddiba, D. 2013. "Mentorship: a missing link in education in Sub-Saharan Africa." In proceedings of the 7th Education without Borders International Conference, 25 – 27 March 2013, Dubai, U.A.E.
Design of a model irrigation scheme that utilizes groundwater in the cattle corridor area of Uganda
Ddiba, D. and Namukwaya, B. D. 2013. "Design of a model irrigation scheme that utilizes groundwater in the cattle corridor area of Uganda." Final Year Project Report, Department of Civil and Environmental Engineering, Makerere University. doi:10.13140/RG.2.1.3986.7761
Faecal Sludge as Fuel in Industrial Kilns for Brick Production
Niwagaba, B. C., Ddiba, D., Sekigongo, P., Gold, M. & Strande, L. 2015. "Faecal sludge as fuel in industrial kilns for brick production." In proceedings of the 3rd International Conference on Faecal Sludge Management (FSM3), 18 – 23 January 2015, Hanoi, Vietnam.
Results of faecal sludge analyses in Kampala, Uganda: Pictures, characteristics and qualitative observations for 76 samples
Schoebitz, L., Bischoff, F., Ddiba, D., Okello, F., Nakazibwe, R., Niwagaba, C.B., Lohri, C.R. & Strande, L. 2016. "Results of faecal sludge analyses in Kampala, Uganda: Pictures, characteristics and qualitative observations for 76 samples." Eawag: Swiss Federal Institute of Aquatic Science and Technology. Dübendorf, Switzerland.
Estimating the potential for resource recovery from productive sanitation in urban areas
Ddiba, D. 2016. "Estimating the potential for resource recovery from productive sanitation in urban areas." KTH Royal institute of Technology, TRITA-LWR Degree Project 2016:13, 86 pp.
Resource Value Mapping (REVAMP): A tool for evaluating the resource recovery potential of urban waste streams
Ddiba, D., Andersson, K. and Rosemarin, A. 2016. "Resource Value Mapping (REVAMP): A tool for evaluating the resource recovery potential of urban waste streams." Discussion Brief. Stockholm Environment Institute: Stockholm.
SuSanA’s Contribution to Agenda 2030 for sustainable development: Position paper of Working Group 1 on Capacity Development
Spuhler, D., Adams, M., Ddiba, D. and Tempel, A. 2016. "SuSanA’s Contribution to Agenda 2030 for sustainable development: Position paper of Working Group 1 on Capacity Development." Sustainable Sanitation Alliance (SuSanA).
Faecal sludge as a solid industrial fuel: a pilot-scale study
Gold, M., Ddiba, D., Seck, A., Sekigongo, P., Diene, A., Diaw, S., Niang, S., Niwagaba, C. and Strande, L. 2017. "Faecal sludge as a solid industrial fuel: a pilot-scale study." Journal of Water Sanitation and Hygiene for Development 7(2), 243–251. doi:10.2166/washdev.2017.089
Estimating and visualizing the value of urban waste recovery – The Resource Value Mapping (REVAMP) Tool
Andersson, K. and Ddiba, D. 2017. "Estimating and visualizing the value of urban waste recovery – The Resource Value Mapping (REVAMP) Tool." In proceedings of the 2nd IWA International Resource Recovery Conference, 5 – 9 August 2017, New York, USA.
Linking water–sanitation–agricultural sectors for food and nutrition security
Schulte-Herbrüggen, H., Ddiba, D., Bhattacharya, P., Kimanzu, N., Andersson, K., Dickin, S., Schulte-Herbrüggen, B. 2017. "Linking water–sanitation–agricultural sectors for food and nutrition security." Swedish International Agricultural Network Initiative (SIANI) Discussion Brief. Stockholm, Sweden.
UrbanCircle: turning urban waste into circular economy benefits
Ddiba, D., Andersson, K. & Ogol, T. 2018. "UrbanCircle: turning urban waste into circular economy benefits." Stockholm Environment Institute (SEI) Project Brief. Stockholm, Sweden.
Bridging Gaps in the Agricultural Phosphorus Cycle from an Animal Husbandry Perspective — The Case of Pigs and Poultry
Oster, M., Reyer, H., Ball, E., Fornara, D., McKillen, J., Sørensen, K. K. U., Poulsen, H. D. H., Andersson, K., Ddiba, D., Rosemarin, A., Arata, L., Sckokai, P., Magowan, E. and Wimmers, K. 2018. "Bridging gaps in the agricultural phosphorus cycle from an animal husbandry perspective - The case of pigs and poultry." Sustainability 2018, 10(6), 1825. doi:10.3390/su10061825
Methods to reliably estimate faecal sludge quantities and qualities for the design of treatment technologies and management solutions
Strande, L., Schöbitz, L., Bischoff, F., Ddiba, D., Okello, F., Englund, M., Ward, B. J. and Niwagaba, C. B. 2018. "Methods to reliably estimate faecal sludge quantities and qualities for the design of treatment technologies and management solutions." Journal of Environmental Management 223, 898–907. doi:10.1016/j.jenvman.2018.06.100
Exploring the circular economy of urban organic waste in sub-Saharan Africa: opportunities and challenges
Ddiba, D. 2020. "Exploring the circular economy of urban organic waste in sub-Saharan Africa: opportunities and challenges." Licentiate Thesis Stockholm, Sweden: KTH Royal Institute of Technology, TRITA-ABE-DLT, 2016, 2020
Governing the circular economy: Assessing the capacity to implement resource-oriented sanitation and waste management systems in low-and middle-income countries
Ddiba, D., Andersson, K., Koop, S.H.A., Ekener, E., Finnveden, G. and Dickin, S. 2020. "Governing the circular economy: Assessing the capacity to implement resource-oriented sanitation and waste management systems in low- and middle-income countries." Earth System Governance 100063. doi:10.1016/j.esg.2020.100063
Setting the stage for the circular economy: Waste resource recovery opportunities in Naivasha, Kenya
Mugambi, J. K., Windberg, C., Ddiba, D., Ogol, T., Andersson, K., Gicheru, T. and Akinyi, E. 2020. "Setting the stage for the circular economy: Waste resource recovery opportunities in Naivasha, Kenya." Stockholm Environment Institute, Stockholm
Sanitation and Wastewater Atlas of Africa
AfDB, UNEP & GRID-Arendal. 2020. "Sanitation and Wastewater Atlas of Africa." African Development Bank, United Nations Environment Programme and GRID-Arendal. Abidjan, Nairobi and Arendal. (Several contributors including Daniel Ddiba)
The lack of social impact considerations in transitioning towards urban circular economies: a scoping review
Vanhuyse, F., Fejzić, E., Ddiba, D., & Henrysson, M. 2021. "The lack of social impact considerations in transitioning towards urban circular economies: a scoping review." Sustainable Cities and Society 75, 103394. doi:10.1016/j.scs.2021.103394
The circular economy potential of urban organic waste streams in low- and middle-income countries
Ddiba, D., Andersson, K., Rosemarin, A., Schulte-Herbrüggen, H., & Dickin, S. 2022. "The circular economy potential of urban organic waste streams in low- and middle-income countries." Environment, Development and Sustainability 24, 1116–1144. doi:10.1007/s10668-021-01487-w
Governance challenges and opportunities for implementing resource recovery from organic waste streams in urban areas of Latin America: insights from Chía, Colombia
Aguilar, M. G., Jaramillo, J. F., Ddiba, D., Páez, D. C., Rueda, H., Andersson, K., & Dickin, S. 2022. "Governance challenges and opportunities for implementing resource recovery from organic waste streams in urban areas of Latin America: insights from Chía, Colombia." Sustainable Production and Consumption 30, 53–63. doi:10.1016/j.spc.2021.11.025
Plastic waste management and recycling in Mombasa, Kenya: A scoping study of the value chain and its institutional, policy and regulatory frameworks
Njoroge, G., Nikam, J. and Ddiba, D. 2022. "Plastic waste management and recycling in Mombasa, Kenya: A scoping study of the value chain and its institutional, policy and regulatory frameworks." SEI report. Stockholm Environment Institute, Stockholm. doi:10.51414/sei2022.013
Implementing resource recovery from urban organic waste in low- and middle-income countries: Tools to support planners and policy makers
Ddiba, D. 2022. "Implementing resource recovery from urban organic waste in low- and middle-income countries: Tools to support planners and policy makers." PhD Thesis Stockholm, Sweden: KTH Royal Institute of Technology, TRITA-ABE-DLT, 2216, 2022
Energy from faeces: harnessing energy from one of the most abundant materials on the planet
Ddiba, D. 2022. "Energy from faeces: harnessing energy from one of the most abundant materials on the planet." In Towards the energy of the future – the invisible revolution behind the electrical socket (pp. 67–75). Vetenskap & Allmänhet. VA-rapport 2022:2. Stockholm, Sweden.
Analysis of the Plastic Waste Value Chain in India: A Scoping Study
Nikam, J., Ddiba, D. and Njoroge, G. 2022. "Analysis of the Plastic Waste Value Chain in India: A Scoping Study." SEI report. Stockholm Environment Institute, Stockholm. doi:10.51414/sei2022.037
Sustainability assessment of increased circularity of urban organic waste streams
Ddiba, D., Ekener, E., Lindkvist, M. and Finnveden, G. 2022. "Sustainability assessment of increased circularity of urban organic waste streams." Sustainable Production and Consumption 34, 114–129. doi:10.1016/j.spc.2022.08.030
A review of how decision support tools address resource recovery in sanitation systems
Ddiba, D., Andersson, K., Dickin, S., Ekener, E., & Finnveden, G. 2023. "A review of how decision support tools address resource recovery in sanitation systems." Journal of Environmental Management 342, 118365. doi:10.1016/j.jenvman.2023.118365
research
talks
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