Goldman joins banks exploring green equity as new ESG asset Thirteen years after the first green bond, some financial firms are now working on creating a market for green stocks that meet measurable climate metrics. May 20, 2021 5 MINS The head of sustainable finance at Goldman Sachs Group Inc. says the Wall Street firm is now experimenting with green equity, adding its weight to a new category of climate-friendly assets. “We are seeing movement, just in terms of actual labeled product,” John Goldstein, who runs Goldman’s sustainable finance group, said in an interview. “When and where and how would we get to actual green equity, I think we’ll see.”