Why Africa Can No Longer Treat The Plastic Crisis As A Waste Problem Alone
By Luc Anato
There is a canal near the Zongo neighbourhood in Cotonou that fills with rainwater every June. Within an hour it is choked with plastic bags, and within a day the water has nowhere to go but into the streets and the houses beside them. Nobody planned for this. It happens because a sachet that cost almost nothing to produce, and even less to throw away, has a way of finding the one place it can do the most damage.
I know this canal, and dozens like it, because I spent years working in industrial wastewater treatment in Benin before I moved into sustainability consulting. I have watched plastic arrive at treatment stations in quantities the system was never designed to absorb. So when people describe the plastic crisis as an environmental issue, or worse, a hygiene issue, I understand why they say it. It looks that way from a distance. Up close, it is something else entirely: an economic failure, hiding in plain sight behind a language of litter and clean-up campaigns.
The bag that costs more than it looks like it costs
Benin now produces close to 50,000 tonnes of plastic waste every year, according to the government’s own circular economy action plan launched in early 2026, and the thin, disposable bag has long made up a large share of it. It is cheap because almost none of its real cost shows up on the price tag. The flooding it causes shows up instead in ruined roads, damaged homes and lost crops. Benin banned the production, import and sale of non-biodegradable plastic bags back in December 2017, one of a wave of such bans across the continent, though enforcement on the ground still lags the ambition of the law. Across the seventeen coastal countries of West Africa, plastic waste output was recently estimated at close to seven million tonnes in a single year, with Nigeria alone responsible for the largest portion. A meaningful share of that waste is generated within a few dozen kilometres of the coast, which is largely why so much of it ends up in rivers and, eventually, the ocean rather than in a landfill.
The health argument against these bags is well established by now: burning them releases toxic compounds into the air, and microplastics are increasingly turning up in fish, and in drinking water. But the economic argument deserves just as much attention, and gets far less of it. The World Bank puts a number on what marine plastic pollution actually costs West Africa: somewhere between ten thousand and thirty-three thousand dollars in damage for every single tonne of plastic waste that reaches the coastline, absorbed mainly by fisheries, tourism and the value of waterfront property. Multiply that by the millions of tonnes the region generates each year, and the picture stops looking like an environmental footnote.
Money is already flowing in. It still won’t be enough.
Here is the part that rarely gets said in public: even the considerable sums already committed will not be enough to manage the plastic Africa has today, let alone what is coming. International partners have put billions of dollars into plastic waste management and coastal protection programmes across West Africa in recent years. Meanwhile, global plastic production is expected to double by 2040, and UNEP warns that the volume of plastic reaching aquatic ecosystems could nearly triple by the same date if nothing structural changes. The region is not simply short of funding for today’s problem. It is chasing a problem that is accelerating faster than the money meant to catch it.
This is where an uncomfortable question has to be asked: who actually benefits from things staying this way? The plastics industry has clear commercial incentives to keep production growing and regulation light, because plastic stays cheap only as long as its true costs, the flooding, the health damage, the lost tourism revenue, are absorbed by governments and households rather than by the companies that manufacture it. Weak enforcement, inconsistent bans, and the near-total absence of extended producer responsibility laws across African markets are not accidents of policy. They are what happens when industry lobbying outweighs public interest in the rooms where these rules get written. Any serious response to the plastic crisis has to reckon with that imbalance, not just with the waste itself.
A rulebook Africa didn’t write
There is also a part of this story that rarely reaches local newsrooms. Since 2021, amendments to the Basel Convention, the global treaty governing the movement of hazardous waste across borders, have tightened the rules on exporting plastic waste from wealthier nations to the rest of the world, including new restrictions on shipments from OECD countries to non-OECD destinations. The goal was to stop richer countries from quietly offloading their plastic problem onto places with weaker capacity to handle it. It is a welcome correction, but it also says something uncomfortable: a meaningful share of the plastic burden African countries carry today was shaped by decisions made thousands of kilometres away, long before local systems were ready to absorb it.
What actually works
None of this is hopeless. Rwanda banned plastic bags in 2008, one of the first countries in the world to do so, and has since become something of a continental reference point, with reports pointing to a sharp and sustained drop in plastic litter as enforcement took hold. In Senegal, private recycling operations built around collecting and repurposing plastic bottles have created hundreds of jobs while keeping material out of waterways, proof that circular economy models can work at real scale when businesses are given the right incentives instead of just the right slogans.
But scattered success stories don’t add up to a strategy on their own. What West Africa needs is a shift in how the problem is framed: away from plastic as a talking point for corporate social responsibility departments, and toward plastic as a structural economic issue that calls for enforced bans, extended producer responsibility laws, and public investment that actually matches the scale, and the speed, of the problem. Companies still treating sustainability as a marketing line will increasingly find themselves out of step with regulators, investors and consumers who are starting to ask sharper questions.
I have spent time on both sides of this problem now, in the treatment basin and in the rooms where policy and business strategy get decided. The gap between those two worlds is exactly where Africa’s plastic crisis keeps slipping through. Closing it will take more honesty about who profits from leaving things as they are, and more urgency about a bill that, one way or another, is already coming due.
Luc ANATO is co-founder of VEDI Action, a sustainability and CSR consulting firm based in Benin, and serves as Benin’s National Focal Point for the International Francophone Coalition Zero Plastic.