By Adnan Adams Mohammed
Emerging scientific research and mounting public frustration over poor urban sanitation are converging to redraw Ghana’s public health priorities, revealing how environmental degradation and shifting climate patterns threaten the nation’s health resilience.
According to a landmark modeling study published in Nature Climate Change, shifting global climate dynamics are altering the transmission geography of vector-borne diseases across Africa.
While warming temperatures are expanding malaria suitability into cooler, high-altitude regions in East Africa, extreme heat projections for West Africa, including Ghana, suggest a counterintuitive trend: localized declines in mosquito survival due to temperatures exceeding thermal tolerance thresholds.
However, climate scientists emphasize that while vector viability may contract in hyper-arid conditions, extreme heat stress, severe flooding, and unmanaged municipal waste pose an immediate, compound threat to public health.
The reality on the ground in major urban centers like Accra presents a stark contrast to theoretical climate declines in vector survival. Despite massive public expenditure, including GH₵2 billion ($150 million) collected through the Sanitation and Pollution Levy (SPL) since its introduction in 2021, major cities across Ghana remain choked with uncollected solid waste, clogged drainage channels, and stagnant wastewater that create artificial breeding grounds for disease vectors.
Addressing the persistent sanitation deficit, President John Dramani Mahama highlighted the grassroots efforts of civic volunteer groups, such as the Buz Stop Boys, who have resorted to clearing public gutters and open drains themselves.
“When you see young citizens taking shovels into public gutters to clear waste that municipal authorities are funded to manage, it serves as a wake-up call to all of us,” President Mahama remarked, citing a viral video of the volunteer group. “Civic action is commendable, but it highlights a profound structural failure in our public sanitation management. We must enforce stricter sanitation bye-laws and ensure that public resources allocated for municipal cleanliness yield visible results.”
Public health policy experts and civil society organizations have voiced growing frustration over the apparent misalignment between state revenue collection and environmental outcomes. The Sanitation and Pollution Levy was enacted to fund waste management infrastructure, clean up urban centers, and decommission hazardous dumpsites. Yet, open dumps and overflowing storm drains remain pervasive across the capital.
A senior environmental health analyst noted that poor sanitation directly undermines national health budgets and vector control initiatives.
“We are spending hundreds of millions of dollars on malaria control, bed nets, and medical care, yet we allow our cities to function as incubator hubs for liquid waste and pollution,” the analyst stated. “If rising temperatures alter mosquito transmission in the wild, poor municipal sanitation cancels out those natural reductions by creating artificial micro-environments in clogged drains and plastic waste. We cannot build health security on a foundation of stagnant water and uncollected refuse.”
With climate models forecasting intensifying heatwaves alongside unpredictable rainfall spikes, health professionals urge state authorities to account for the interplay between climate shifts, urban planning, and sanitation infrastructure.
“Climate change is not a far-off phenomenon; it is actively reshaping our disease burdens and living conditions today,” noted a researcher associated with the climate study. “While heat stress itself will become a leading cause of mortality if urban heat islands are left unmitigated, poor sanitation ensures that waterborne and vector-borne risks persist alongside thermal threats. Fixing our sanitation infrastructure is our first line of defense against both present epidemics and future climate shocks.”
As calls intensify for full accountability regarding the management of the Sanitation and Pollution Levy, civil society groups are urging parliament to institute tighter oversight over municipal contracts to ensure every cedi collected directly translates into cleaner, safer communities.
