on the Equatorial Margin; federal prosecutors are still trying to halt Petrobras drilling in the Foz do Amazonas basin. Prosecutors cite a spill of more than

on the Equatorial Margin; federal prosecutors are still trying to halt Petrobras drilling in the Foz do Amazonas basin. Prosecutors cite a spill of more than 18,000 litres of drilling fluid from a rig in January. In September, Ibama cleared Petrobras to drill three additional exploratory wells, …