Chevron fights Ecuador pollution lawsuit

After almost 40 years of drilling, this stretch of Amazon jungle on Ecuador’s border with Colombia is pockmarked with long, deep pits of viscous black crude or blended oil and earth that the locals call “swimming pools”.
About 916 pits were used by Texaco Petroleum, the US oil major, and PetroEcuador, the state company, for the 23 years before Texaco’s exit from the country in 1992.