One of the things that's happened because of this is that, since 1969, the country of Nigeria, or the part of Nigeria that pumps oil, which is the delta -- which is two times the size of Maryland -- has had thousands of oil spills a year.
Unha das cousas que ocorreron por causa disto é que, desde 1969, Nixeria, ou a parte dela en que se extrae petróleo, o Delta --que ten o dobre do tamaño de Maryland-- tivo milleiros de derramamentos ao ano.