By City A.M. Comment Desk Offender: ESGEvery one of us has been an email chain which is borderline unintelligible for the amount of corporate lingo thrown in there. At City A.M., we’re taking a stand and calling out the worst jargon which travels around the City faster than you can drink an overpriced pint. This week: ESG. What does it mean?Environmental, social and corporate governance. What does that mean? We’re not really sure, but we know companies love shouting about how they’re doing it (and then later being a little quieter when it’s found out how they’re not doing it). According to Goo…