Health
Global Conversations: Climate Change Multiplies Health Risks, A Call to Action on Extreme Weather Effects
By Davidson Ndyabahika, Johanna Blomgren and Julius T. Mugaga
Experts have urged urgent action to mitigate the health risks of climate change. The 2023 global conversation, on Climate Change and Health highlighted the need for transformational action in every sector to protect people’s health from climate change.
Held on September 5, 2023 the virtual seminar, organized by the Centre of Excellence for Sustainable Health (CESH), a collaboration between Makerere University and the Karolinska Institutet that aims to increase capacity and spur action to advance the agenda for sustainable health drew over 230 attendees from all over the world. It placed emphasis on mitigating the effects of extreme weather, such flooding.
In its 2023 report, the Intergovernmental Panel on Climate Change (IPCC) notes that global terrestrial, freshwater, and ocean ecosystems have already been affected by climate change, along with the associated losses and costs. It predicts that heavy rainfall and flooding events are expected to worsen and occur more frequently in the majority of regions of Africa, Asia, North America, and Europe by 1.5°C global warming (high confidence).
The 2023 IPCC report identifies barriers that prevent people and society from implementing climate-resilient behaviors. Financial limitations, conflicts with the SDGs, inequalities, institutional, economic, and social hurdles, as well as dispersed strategies, are a few of these. The panel equally agree that if global warming exceeds 1.5 °C and the SDGs are not adequately progressed, chances for climate-resilient development would be considerably more limited.
Now, during the seminar, the panel, by consensus agreed that climate change is critical citing that such conversations on critical factors in relation to the climate and health crisis are not only timely but necessary.
Climate change impacts the social determinants of health, which include excellent health and wellbeing, by causing decreased food output, low fishing yields, flooding, and infrastructure damage, according to Daniel Helldén, a PhD student at KI Department of Global Public Health.
“The future emission scenarios are dire. What is becoming more and more clear is that climate change is a generational issue. Children born today will continue to bear the biggest burden of climate change impact,” said Helldén.
Dr. Mugume Isaac Amooti, the Director of Weather Forecasting Services at the Uganda National Meteorological Authority (UNMA), emphasized the importance of considering both long-term averages and unprecedented weather events driven by climate change. These events are thought extreme only when they exceed past records. He noted for instance that in Uganda; “The widespread flooding brought on by heavy and frequent precipitation is what we are seeing in Uganda, particularly in the cities. However, we are witnessing heat waves and cold waves at different times of the year.”
Although there isn’t a clear pattern in Sweden’s precipitation, Dr. Johanna Sörensen of Lund University in Sweden said that forecasts suggest that rainfall may increase by the end of the century. Given the flooding problems that already present, this, she says is something to worry about. “Flooding is increasing not only because of climate change but also even more that we construct the cities more densely and we construct buildings and industries on lowly areas that we used not to do in the past which is of course not a good idea.”
Dr. Tamer Rabie, a lead health specialist at the World Bank Group, notes that risks are amplified by climate change, which therefore has an intensified negative impact. He points out, for instance, that in order to comprehend how climate change and changes in temperature and precipitation patterns will affect health, it is critical to view climate change as a risk multiplier.
Dr. Tamer, also the architect of the World Bank’s global Health-Climate and Environment Program (H-CEP), underscored three pathways through which climate change impacts health: direct effects, indirect effects, and those mediated by ecosystems. Some of the direct pathways include issues like increased temperatures likely to lead to heat waves, heat-related illnesses, worsened non-communicable diseases, and increase in the risk of events like traumatic injuries.
According to Dr. Tamer, ecosystem-mediated risks include vector-borne diseases (like Malaria and Dengue), foodborne illnesses, and waterborne diseases (like Cholera). These risks are closely tied to how health outcomes are influenced by the ecosystem. Additionally, indirect health impacts encompass mental health due to population displacements, as well as malnutrition resulting from shifts in food production and overall food systems.
“We have done estimates in the World Bank that show that extreme weather events and climate change will lead to pushing nearly 132 million people into extreme poverty by 2030. If you look at the health impacts within those figures and the main drivers, we are seeing that nearly 44 million out of those 132 will be pushed into extreme poverty by 2030 if we don’t take any action today,” Dr. Tamer.
According to Dr. Tamer, the World Bank has conducted climate and health vulnerability assessments specifically looking at the cost of inaction moving into the 2030s and 2050s using information that relates to malaria, dengue, diarrhea, stunting in children, heat related illnesses, floods, among others.
“What we are seeing is that on average, countries will be losing anywhere between 1-5% of their GDP as a result of not really addressing the climate crisis, not being able to address these impacts that we are talking about, and obviously not investing enough into the health systems to be able to be more resilient,” Dr. Tamer noted during the webinar.
According to Dr. Sara Gabrielsson, an Associate Senior Lecturer in Sustainability Science at Lund University’s Centre for Sustainability Studies (LUCSUS), addressing immediate health risks involves containing flooding, which is just one aspect of climate change-related challenges like sea level rise and drought.
She highlights the connection between various deadly diseases like dengue, typhoid, trachoma, and cholera among others to this issue. During a crisis like flooding, treatment for these diseases she notes often takes a backseat due to the overwhelming health burdens that arise.
“There is death from drowning or direct injury from debris in these very storm surges, but then we also have the issue of just water sitting, waiting in water for longer periods, leading to lots of infections, urine-tract infections, vaginal infections, skin diseases, hypothermia, lots of those kinds of things, but also vector-borne diseases, and especially malaria, which is, of course, one big thing here,” Dr. Gabrielsson opines.
She adds that flooding brings problems like contaminated drinking water, leading to chronic diarrhea and malnutrition. Additionally, damaged sanitation facilities force people into open defecation, exposing them to harmful bacteria and further risk of chronic diarrhea.
“These immediate health risks are just the beginning. Moving into long-term risks, flooding severely impacts the availability of clean water for basic hygiene. As we’ve learned from COVID, hygiene is paramount for health. Insufficient handwashing and personal hygiene can breed disease. We need proper hygiene for preparing food, tending to babies, managing menstrual health, and more. Without it, there’s increased exposure to harmful bacteria, compounded by the use of inadequate sanitation systems, resulting in outbreaks of various diseases,” observed Gabrielsson.
Way forward
Dr. Sörensen, from a Swedish standpoint, proposes proactive steps to mitigate flooding. These include slowing down water flow, discouraging construction in flood-prone zones, and avoiding building in areas prone to heavy rain. She points out that in cities like Mumbai and Gothenburg, there has been a concerning trend of construction in flood-prone regions. Dr. Sörensen emphasizes the importance of adapting solutions for creating greener, more sustainable cities. “In China, they call it a sponge city. It’s like a sponge—you fill it up with water during rainfall and then use it later for various purposes. Utilizing vegetation and water storage helps retain water and slow down its flow in urban areas. Green spaces in cities are crucial for health, well-being, and providing shade, especially during heatwaves,” she says.
In Uganda, Dr. Mugume notes that the government has invested in weather monitoring infrastructure, including the three weather radars, which are strategically spread across the country to enable UNMA to monitor weather at any part of the country.
“With this technology, we can now offer more precise and timely services, ensuring our communities respond effectively. Weather and climate forecasts range from hourly to seasonal projections. Shorter forecasts tend to be more accurate, although longer ones still fall within manageable limits. For instance, our seasonal forecast accuracy in Uganda is at 90%, aligning with National Development Plan 3. We collaborate with development partners to fine-tune these forecasts.”
For Dr. Gabrielsson, preparedness is key, especially for the 2.2 billion people worldwide relying on sanitation systems, many of whom live in rapidly urbanizing areas and unplanned settlements.
Unfortunately, these systems often lack proper management, leading to health risks. In urban settings, she says, the spread of sludge from these systems can have widespread health implications. To address this, there’s a pressing need to prioritize climate-resilient sanitation systems. Historically, the sanitation sector has been under-prioritized, resulting in insufficient funding and political attention. Without a one-size-fits-all solution due to diverse living habits, cultural considerations become paramount. A gender-responsive approach is crucial, as women are primarily responsible for WASH (Water, Sanitation, and Hygiene) practices.
“It involves recognizing the unique needs of different groups, such as refugees, the elderly, disabled individuals, children, and menstruating individuals. Climate-resilient wash infrastructure requires community responsibility, government policy, and financial support. For instance, in flood-prone areas like the Amazon Basin, sanitation facilities are designed to align with local livelihoods, incorporating features like composting latrines that produce manure for farming and collecting rainwater for handwashing. This approach ensures environmental safety and sustainable practices,” she observes.
Dr. Gabrielsson emphasizes the importance of cultural acceptance in encouraging people’s dedication to upholding basic sanitation and hygiene practices, particularly in the face of flooding. “Another example I presented is a UNICEF-supported toilet in Bangladesh. It’s elevated with precast concrete rings to prevent flooding, sealed with concrete mortar for contamination prevention, and reinforced to withstand heavy rain and wind. This design was developed in close consultation with local communities, ensuring cultural acceptance and affordability. The goal is to create facilities that people actually want to use, which is why it’s crucial to integrate natural and social sciences for effective solutions.”
The World Bank has substantially supported action on climate change, including both adaptation and mitigation initiatives. Dr. Tamer says over $2.2 billion has been set aside as of today for climate-related health interventions, especially in South Asia and sub-Saharan Africa. Significant assistance has also been given to assist tiny island states in managing the effects of climate change, particularly extreme events.
In Yemen, the World Bank has sponsored efforts to put in place electronic early warning systems for real-time health data and policy response due to outbreaks of diseases including cholera and malaria. In Madagascar, the World Bank has funded work combining climate and nutrition programming. The World Bank worked with the government of Ghana to create long-lasting vaccine delivery networks.
Health
Makerere University Public Health students recount hands-on experience in Ebola case finding in Uganda
On Tuesday January 14, 2025, under the radiant rays of the Ugandan sun, Laura Silovsky crossed the stage at Makerere University’s 75th Graduation Ceremony to receive her master’s degree in Public Health Disaster Management (MDM). Hers is a story of passion, dedication, and curiosity to rewrite the narrative of global education. Among 1,813 master’s graduates, Laura’s story stood out, as a blend of refugee roots, firefighting bravery, and a drive to decolonize learning.
Laura’s journey began long before her arrival in Kampala. Born in the UK to a father who fled from Czechoslovakia’s dictatorship in the 1970s, she grew up understanding displacement intimately. “My father was a refugee. Why would I fear refugees?” she once asked during her research fieldwork in Uganda’s West Nile, where her empathy bridged divides.
“People in Uganda may not expect that a muzungu could be the child of a refugee, but my family experienced displacement from (what was then) Czechoslovakia as well as the effects of the protracted conflict in Northern Ireland. Fortunate to have been born in the UK, I was raised to appreciate that disasters can affect anyone, anywhere, anytime.
After studying Sustainable Development at the University of Edinburgh, I worked on a behavior change project tackling non-communicable diseases in Scotland,” Laura says.
Her journey twisted through battling Australia’s bushfires and volunteering in a COVID pandemic, but it was Uganda’s welcoming refugee policies and Makerere University’s academic excellence that pulled her in next.
“In 2020, I relocated to Australia, just after the worst bushfires since records began and before the COVID-19 pandemic. The following two years, I qualified as a firefighter and supported bushfire recovery by volunteering with a community-based organization. After gaining some insight into these different disasters, I made the decision to return to higher education, and so I applied for the MDM programme at Makerere in 2022,” says Laura.
Armed with experience in emergency response, Laura was drawn to the field’s multidisciplinary nature and was convinced she needed to expand her expertise beyond immediate recovery efforts. She aimed to explore the full disaster management cycle and the intricate connection between health and environment.
“I needed to combine gaining academic knowledge with developing practical skills, so the field placement offered within the master’s degree in Public Health Disaster Management programme was a major motivator for me,” she shared.
The love for Uganda
Studying at the University of Edinburgh, Laura took a class in Kiswahili, that included a field-based short course on the Tanzanian shores of Lake Victoria. This experience sparked a desire to spend more time in the region, but she knew she needed to expand her skill set in order to genuinely add value to an organisation, if she was on the continent.
“I hoped studying at an East African university would teach me invaluable soft skills needed to work more effectively as an international team member. Makerere University School of Public Health (MakSPH) has a strong reputation, and I wanted to study somewhere that was locally grounded but globally recognized. Uganda’s progressive refugee policies were an added incentive to learn from experts here,” Laura says.
Laura’s intentional choice to decolonize her education
“I came to Uganda to learn from the experts here,” Laura declared, rejecting Eurocentric frameworks. “A big factor for me wanting to study at Makerere University was to decolonize my education, to recognize that the knowledge about responding to public health disasters and supporting refugees is here in Uganda,” she says.
She adds, “When I first arrived, I was quite vocal with my classmates about wanting to challenge that bias and truly acknowledge the wealth of knowledge within institutions like Makerere. The expertise here is invaluable, and I was intentional about decolonizing my education.”
At MakSPH, Laura immersed herself in courses like epidemiology, struggled briefly with statistics, but thrived on critical discussion groups and consultation with lecturers.
Collaborating with classmates from Uganda and across East Africa, she learned Luganda phrases and Somali proverbs, and built a “family” united by late-night study sessions and shared ambitions.
Beyond expectations
For Laura, studying at MakSPH was the best decision she could have made. She is still struck by the faculties’ wealth of academic and professional experience in public health and disaster management.
“I anticipated the programme would focus on applying the knowledge we gain to real-world scenarios. Of course, there were cultural differences that took me time to adjust to. I am grateful to faculty members such as Prof. Christopher Garimoi Orach, for his dedication and support, Prof. Elizeus Rutembemberwa for leading by example and valuing students’ time, and Dr. Justine Bukenya and Dr. Simon Kibira for offering their extensive support as my dissertation supervisors.”
The Fieldwork Attachment that Transformed Laura’s Research Experience
At Rhino Camp refugee settlement in West Nile, Laura’s work took on new meaning. Partnering with the Uganda Red Cross Society, she helped digitize data tools and walked long distances through Tika Zone, inspecting latrines and speaking with South Sudanese girls about their challenges in managing their menstrual health through their project that focused on schools.
“That experience in West Nile influenced my own research ideas, and it was a privilege to later return to Rhino Camp for data collection. I will always remember the long days walking with my research assistants through villages and being graciously welcomed by so many respondents,” she recalls, noting that the experiences crystallized her resolve to advocate for refugee dignity globally.
Life in Kampala
Life in Kampala, with its vibrant energy and unique challenges, was truly a ‘full sensory experience’ for Laura. “My parents live in a small village, so Edinburgh felt like a big city when I moved there. And Edinburgh is much smaller and quieter than Kampala! But on weekends, I loved going downtown to shop at Owino Market or heading to Kyadondo Rugby Club for some pork.”
These spaces were perfect for Laura, offering new cultural experiences, including matooke, a starchy dish not found in the UK, which is mainly eaten in Uganda as a local delicacy and staple meal. Despite the differences in culture, sharing meals with classmates provided Laura with a comforting sense of connection.
Back to academics, navigating the university administrative processes wasn’t seamless initially for Laura, though. She says administrative hurdles such as paper-based systems, could change for the university to comfortably enjoy its strong reputation.
She recalls, right at the beginning, when she couldn’t find sufficient information online to support her to complete her application to join Makerere University. However, she later received support from the University’s International Office that deals with the welfare of international students.
Other university officials, from finance, librarians, program administrators, to academic registrars, played a key role in supporting her in her research and postgraduate training. “The system relies on dedicated individuals,” she noted, calling for digital reforms while praising MakSPH’s “atmosphere of innovation.”
“From my experience, such as when obtaining my transcript, the system relies heavily on individual staff members working around these administrative challenges. I’m grateful for those who helped me navigate this, and I’m interested to see how the university continues its digital transition, as it could greatly streamline processes in the future,” says Laura.
A Bittersweet Graduation Day
On graduation day, Laura’s pride mingled with melancholy. Watching families cheer on graduates, she reflected on classmates sidelined by finances or family crises.
Having gone through the course and interacted with Ugandan students, Laura hints on the common financial and personal challenges preventing many from graduating: family illness, new children, sponsorship falling through.
“I know so many of my classmates had worked so hard and were almost over the finish line but, due to financial challenges or other commitments at home, it wasn’t possible for them to graduate this year,” she says.
“For me, I was able to make the choice to pursue this program before having children, so I had fewer responsibilities at home, and I had also been saving for many years to get the money to pay tuition. Because I knew I had the money for tuition before I started, I could focus on studying. As you know, the reality for many people is that that’s not always possible.
“Small supports can transform student experiences,” Laura emphasized, advocating for systemic empathy. She sees great potential for more pastoral support at the university, citing peers from UCU and Kyambogo who benefited from accommodations like private breastfeeding spaces and flexible deadlines in special circumstances. Such initiatives, alongside financial aid, could significantly improve student welfare.
Still, the ceremony’s electric energy—watched via livestream by her parents in Europe—symbolized hope. “Uganda taught me that collaboration transcends borders,” she reflected.
“You could feel this sense of how hard everyone had worked to reach up to that point and that this was really an opportunity for them to celebrate, particularly by having family and friends around to be able to see. I love the PhD awards, when you see the PhD students coming out and their families rushing up to greet them. To me, that’s the best part of the ceremony, because a PhD requires so much work and commitment, and I think it’s really emotional to see everyone share this moment with their support networks,” she says.
Adding that; “…I was so grateful that the ceremony was streamed online. My family were watching live at home in Europe and it was so special that they could see me on camera and participate in the ceremony that way as well.”
Laura noted striking similarities between Makerere and Edinburgh’s ceremonies, especially the moment when students were asked to turn and thank their families, an emotional and powerful tradition.
Looking Ahead
Now in Tanzania, Laura eyes roles with international NGOs, armed with Ugandan-taught pragmatism and a zeal to challenge Europe’s refugee policies. “MakSPH gifted me more than a degree—it reshaped my worldview,” she says.
“As a muzungu with a Ugandan postgraduate education, I feel privileged to have benefitted from different educational perspectives, and I hope that the skills and knowledge I acquired during my time at Makerere will help me to secure a role with an international NGO. After witnessing the incredible support that Uganda provides to refugees, I also hope to advocate for more dignified policies concerning refugees in Europe,” she shares.
“There’s a spirit of innovation and dedication at Makerere, particularly when passionate lecturers like Prof. Orach, Dr. Roy Mayega, or Dr. Victoria Nankabirwa engaged students through discussion and sharing lived experiences. You could really see a different level of engagement within the students as well. Overall, I’ve had such a fantastic experience at Makerere University.”
“I wouldn’t change a thing,” she smiles.“Except maybe convince more Europeans to study here. Africa’s wisdom is the future.”
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