Brazil’s state-controlled energy giant Petrobras is getting closer to obtaining an exploration permit to drill in an environmentally sensitive offshore region in the Amazon basin. Petrobras, which has been seeking for years to obtain a license to drill in Foz do Amazonas and the wider region known as the Equatorial Margin, has received authorization for a so-called pre-operational assessment in the area, Senator Randolfe Rodrigues said in a video posted on Instagram. The pre-operational assessment is typically the…