By Sarah de Sainte Croix, Senior Contributing Reporter
RIO DE JANEIRO, BRAZIL – The Brazilian branch of the U.S. oil company, Chevron, is working to plug an oil leak discovered in the Campos Basin 230 miles (370 km) from the northeast coast of Rio de Janeiro state. The company denies that the leak is related to its drilling in the area and is investigating the possibility that the oil has leaked from a crack in the seabed.
Nevertheless, Chevron has been quick . . .