The Climate Crisis in Tanzania: How Extreme Weather Undermines Humanitarian Aid Efforts

Rebecca Stone, Science Editor
6 Min Read
⏱️ 4 min read

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The escalating climate crisis in Tanzania is severely hampering humanitarian aid, impacting vital health, nutrition, agriculture, and infrastructure initiatives across rural regions. As climate change wreaks havoc on local communities, NGOs like World Vision are striving to adapt their programmes and provide support, but reduced international aid budgets and intensified weather events are making this increasingly difficult.

A Community Transformed

In the remote village of Madudumizi, nestled within Tanzania’s Kilosa District, the opening of a new clinic has dramatically altered the lives of pregnant women and their families. Previously, expectant mothers faced treacherous journeys of several hours, including perilous river crossings, to access essential healthcare. Salma, a mother of three, recounts the harrowing experiences of losing fellow mothers to the arduous trek, which often culminated in tragedy. “Now, we have clean water and healthcare right here,” she notes, highlighting the significance of the new facility built by World Vision.

This clinic is part of a broader initiative known as the “Ulaya” programme, which aims to uplift 27,000 individuals across 13 villages through comprehensive interventions in health, nutrition, education, and water access. Last year alone, World Vision dedicated around $48 million (£35 million) to aid approximately three million children across Tanzania. Despite these efforts, the grim realities of climate change are beginning to overshadow these achievements.

The Impact of Climate Change

Rural communities throughout Tanzania are witnessing a profound transformation in weather patterns, often described as “climate whiplash.” Seasonal rains have become increasingly unpredictable, complicating agricultural practices for the 98 per cent of the population reliant on rain-fed farming. Elisei Chilala, the Ulaya Area Programme coordinator, states, “Until around 2019, we had regular rainy and dry seasons, but now, because of climate change, people cannot predict when the rains will come and do not know when to plant their crops.”

The Impact of Climate Change

The frequency of flooding has escalated dramatically, with what were once rare events now occurring almost annually. In 2020, 2024, and again this year, severe floods have devastated local infrastructure, including the roads and bridges that facilitate access to essential services. Leonard Slaa, a newly appointed advisor for World Vision, underscores the pervasive effects of climate change on health and nutrition, stating emphatically, “Climate change is really impacting everything we are doing here.”

Health and Nutrition Under Threat

The repercussions of flooding extend beyond agriculture, leading to a surge in health issues. Nurse Ida at the Madudumizi clinic reports an alarming rise in malaria and respiratory infections following major flooding events. “People are more likely to catch colds, and rates of pneumonia are also higher,” she explains, stressing the correlation between standing water from floods and the proliferation of disease-carrying mosquitoes.

Moreover, recent cuts to international aid have compounded these health challenges. Nurse Ida notes that critical malaria treatments previously supplied by the US Agency for International Development are no longer available, leaving patients to rely on insufficient alternatives or traditional remedies. The result is a stark increase in illness as families struggle to access necessary healthcare.

In Zombo, another village involved in World Vision’s initiatives, the organisation has successfully educated mothers on nutrition practices to combat “stunting,” a condition resulting from chronic undernutrition. However, the ongoing climate crisis threatens these hard-won advancements. Many farms remain submerged from the latest round of flooding, leaving families uncertain of their ability to produce enough food to meet their nutritional needs.

Infrastructure at Risk

The infrastructure designed to support communities is also bearing the brunt of climate change. A bridge constructed just two years ago now shows visible cracks, a result of the river’s expansion due to intensified rainfall. According to Slaa, “There are cracks because they did not take into account how the river is expanding with the more intense rainfall.” Such deteriorating conditions jeopardise safe travel between villages and access to vital resources.

Infrastructure at Risk

In response to these escalating challenges, World Vision is adapting its strategies to better address climate impacts. This includes training farmers in more resilient agricultural practices and distributing climate-resistant seeds. However, the rapid pace of climate change poses a significant challenge, with emerging conflicts between farmers and pastoralists over dwindling resources hinting at deeper societal strains.

Why it Matters

The ongoing climate crisis in Tanzania exemplifies the urgent need for a global reassessment of aid strategies and resources. As weather patterns destabilise and humanitarian needs grow, the sustainability of aid programmes becomes increasingly precarious. Without a coordinated response to both climate change and its socio-economic consequences, millions of vulnerable individuals may face worsening conditions, driving hunger, malnutrition, and social unrest. The situation in Tanzania serves as a stark reminder that climate action is not merely an environmental issue—it is intrinsically linked to the health and wellbeing of communities worldwide.

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Rebecca Stone is a science editor with a background in molecular biology and a passion for science communication. After completing a PhD at Imperial College London, she pivoted to journalism and has spent 11 years making complex scientific research accessible to general audiences. She covers everything from space exploration to medical breakthroughs and climate science.
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