Turning Water into Climate Action: Why East Africa’s Urban SMEs Need Incentives to Go Circular

At 5:30 a.m., before Kampala’s traffic on Gayaza Road in Mpereerwe suburb thickens and office lights in neighbouring Mulago, Makerere and Wandegeya flicker on, Amina is already working. She scrubs vegetable and fruit crates, fills plastic basins, and checks whether the water reservoir connected to water mains with irregular supply beside her vegetable, fruits and local food stall, will last the day. Every litre matters. Without water, there is no fresh vegetables, fruits and local foods to sell, no income to take home, and no business to keep alive.

Across East Africa’s cities, millions of small businesses share Amina’s dependence on water. Food vendors, laundries, fish processors, car washes, urban farmers, and beverage makers power local economies and create jobs, yet many are operating on the front line of climate disruption. Erratic rainfall triggers flooding, pollution, and outbreaks of waterborne disease that disrupt business operations. During prolonged dry spells, an unreliable water supply creates a different challenge: enterprises cannot count on water flowing when they need it most. Both extremes are turning a basic business necessity into a growing economic risk.

The latest UN Sustainable Development Goals Report 2025 warns that the world remains dangerously off track on sustainable water management. For East Africa’s urban enterprises, that warning is no longer about the future. It is already showing up in monthly water bills, damaged supply chains, and shrinking business margins.

For entrepreneurs like Amina, climate change is no longer an abstract environmental concern. It is a direct business cost. Across East Africa, thousands of SMEs — from laundries and food vendors to fish processors, urban farmers, car washes, and beverage makers — depend on reliable water supplies to survive. Yet they operate amid rising climate pressure, pollution, inefficient resource use, and rapid urbanisation.

The latest UN Sustainable Development Goals Report 2025 warns that only 56% of domestic wastewater is safely treated globally and that progress on sustainable water management remains dangerously off track. In East Africa’s cities, these global trends are already appearing in higher utility bills, disrupted supply chains, water shortages, and shrinking business margins. Besides, Africa’s urban population is projected to nearly double by 2050, increasing pressure on water, waste management, food systems, and municipal infrastructure.

For East African cities, this is not just an environmental issue. It is an economic one.

Climate solutions can begin where people work, trade, and innovate. One practical pathway is circularity — designing business systems that reduce waste, reuse water, recover value from by-products, and use resources more efficiently.

In Nairobi suburbs, some small laundry operators are reducing freshwater demand by reusing rinse water for preliminary cleaning cycles. In Kigali, urban farmers are turning organic market waste into compost while using drip irrigation to stretch every litre. Around Lake Victoria, small fish processors are gradually adopting solar drying systems that cut spoilage, reduce fuel use, and improve incomes.

These are not billion-dollar climate projects. They are local examples of circularity in action.

Circular business practices encourage enterprises to minimise waste, reuse materials, recover value, and increase resource efficiency. For water-dependent SMEs, this could mean harvesting rainwater, recycling process water, converting organic waste into fertiliser or energy, or redesigning production systems to use fewer inputs.

The African Union’s Continental Circular Economy Action Plan 2024–2034 identifies water, waste, energy, agro-food, and industry as priority sectors for Africa’s transition to more resilient economies, recognising circularity as a pathway toward Agenda 2063 goals.

Yet small businesses cannot drive this transition alone.

Many entrepreneurs face familiar barriers: limited access to green finance, expensive technologies, weak technical support, and few rewards for sustainable practices. Incentives matter. Cities and governments can provide low-interest climate finance, tax relief, training, faster licensing, or recognition programmes for enterprises that conserve water, reduce waste, and embrace circular models.

The African Union has also highlighted a major financing gap in Africa’s water sector, estimated at US$31–40 billion annually, underscoring the need for stronger investment partnerships to achieve water security.

Back to Mpereerwe, Amina’s changes are simple: harvesting rainwater, reducing vegetable, fruit and local food waste, and finding new value in what used to be discarded. But climate resilience cannot rest on the shoulders of entrepreneurs alone.

If East Africa is serious about building climate-smart cities and resilient economies, urban SMEs must move from the margins of climate policy to the centre of it.

Governments, municipalities, financiers, utilities, and development partners should act now to reward businesses that conserve water, reduce waste, and adopt circular practices. That means expanding access to affordable green finance, offering tax and licensing incentives, investing in climate-smart technologies, strengthening technical support, and embedding small enterprises into urban climate and water planning.

Consumers also have a role. Every purchasing decision can strengthen demand for businesses that choose sustainability over waste.

World Environment Day 2026 is more than a moment for awareness. It is a test of whether we are prepared to turn climate ambition into practical action where it matters most — in markets, workshops, neighbourhood enterprises, and urban (informal) economies.

Climate solutions do not begin only in policy documents, donor pledges, or global summits.

They begin when cities, governments, financiers, and consumers choose to back the informal economy /entrepreneurs already innovating with limited resources every day.

If East Africa wants resilient cities, secure water systems, and inclusive green growth, incentivising circular SMEs is not optional.

It is an economic necessity.