Episode 8: The Fumes in South Portland. The seventh in an ongoing first-person series by InsideClimate News reporter Sabrina Shankman about the growing fears of residents in South Portland, Maine, as they try to solve a mystery: Are the fumes emanating from the storage tanks of the nation’s easternmost oil port harming their kids? SOUTH PORTLAND, Maine — Sometimes, grassroots activism looks obvious, with bold signs and public acts of disobedience.