Shell has manipulated oil spill investigations in Nigeria, with the company’s claims on oil pollution in the region deeply suspect and often untrue, claim Amnesty International and the Centre for Environment, Human Rights and Development (CEHRD). Hundreds of oil spills occur in Nigeria every year, causing significant harm to the environment, destroying livelihoods and placing human health at serious risk. New analysis from an independent expert found that so-called official investigation reports into the cause of oil spills in the Niger Delta can be “very subjective…