"This has gone on for 50 years in Nigeria. People depend completely on the environment for their drinking water and farming and fishing. They are amazed that the president of the US can be making speeches daily, because in Nigeria people there would not hear a whimper," he said.
It is impossible to know how much oil is spilled in the Niger delta each year because the companies and the government keep that secret. However, two major independent investigations over the past four years suggest that as much is spilled at sea, in the swamps and on land every year as has been lost in the Gulf of Mexico so far.
One report, compiled by WWF UK, the World Conservation Union and representatives from the Nigerian federal government and the Nigerian Conservation Foundation, calculated in 2006 that up to 1.5m tons of oil – 50 times the pollution unleashed in the Exxon Valdez tanker disaster in Alaska – has been spilled in the delta over the past half century. Last year Amnesty calculated that the equivalent of at least 9m barrels of oil was spilled and accused the oil companies of a human rights outrage.
According to Nigerian federal government figures, there were more than 7,000 spills between 1970 and 2000, and there are 2,000 official major spillages sites, many going back decades, with thousands of smaller ones still waiting to be cleared up. More than 1,000 spill cases have been filed against Shell alone.
Last month Shell admitted to spilling 14,000 tonnes of oil in 2009. The majority, said the company, was lost through two incidents – one in which the company claims that thieves damaged a wellhead at its Odidi field and another where militants bombed the Trans Escravos pipeline.
Shell, which works in partnership with the Nigerian government in the delta, says that 98% of all its oil spills are caused by vandalism, theft or sabotage by militants and only a minimal amount by deteriorating infrastructure. "We had 132 spills last year, as against 175 on average. Safety valves were vandalised; one pipe had 300 illegal taps. We found five explosive devices on one. Sometimes communities do not give us access to clean up the pollution because they can make more money from compensation," said a spokesman.
"We have a full-time oil spill response team. Last year we replaced 197 miles of pipeline and are using every known way to clean up pollution, including microbes. We are committed to cleaning up any spill as fast as possible as soon as and for whatever reason they occur."
These claims are hotly disputed by communities and environmental watchdog groups. They mostly blame the companies' vast network of rusting pipes and storage tanks, corroding pipelines, semi-derelict pumping stations and old wellheads, as well as tankers and vessels cleaning out tanks.
The scale of the pollution is mind-boggling. The government's national oil spill detection and response agency (Nosdra) says that between 1976 and 1996 alone, more than 2.4m barrels contaminated the environment. "Oil spills and the dumping of oil into waterways has been extensive, often poisoning drinking water and destroying vegetation. These incidents have become common due to the lack of laws and enforcement measures within the existing political regime," said a spokesman for Nosdra.
The sense of outrage is widespread. "There are more than 300 spills, major and minor, a year," said Bassey. "It happens all the year round. The whole environment is devastated. The latest revelations highlight the massive difference in the response to oil spills. In Nigeria, both companies and government have come to treat an extraordinary level of oil spills as the norm."
A spokesman for the Stakeholder Democracy Network in Lagos, which works to empower those in communities affected by the oil companies' activities, said: "The response to the spill in the United States should serve as a stiff reminder as to how far spill management in Nigeria has drifted from standards across the world."
Other voices of protest point out that the world has overlooked the scale of the environmental impact. Activist Ben Amunwa, of the London-based oil watch group Platform, said: "Deepwater Horizon may have exceed Exxon Valdez, but within a few years in Nigeria offshore spills from four locations dwarfed the scale of the Exxon Valdez disaster many times over. Estimates put spill volumes in the Niger delta among the worst on the planet, but they do not include the crude oil from waste water and gas flares. Companies such as Shell continue to avoid independent monitoring and keep key data secret."
Worse may be to come. One industry insider, who asked not to be named, said: "Major spills are likely to increase in the coming years as the industry strives to extract oil from increasingly remote and difficult terrains. Future supplies will be offshore, deeper and harder to work. When things go wrong, it will be harder to respond."
Judith Kimerling, a professor of law and policy at the City University of New York and author of Amazon Crude, a book about oil development in Ecuador, said: "Spills, leaks and deliberate discharges are happening in oilfields all over the world and very few people seem to care."
There is an overwhelming sense that the big oil companies act as if they are beyond the law. Bassey said: "What we conclude from the Gulf of Mexico pollution incident is that the oil companies are out of control.
"It is clear that BP has been blocking progressive legislation, both in the US and here. In Nigeria, they have been living above the law. They are now clearly a danger to the planet. The dangers of this happening again and again are high. They must be taken to the international court of justice."
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