SPDR Nuveen Municipal Bond ESG 

This exchange-traded fund aims to generate current income that is exempt from ordinary federal income taxes. It accomplishes this by investing in municipal bonds selected for their strong environmental, social, and governance (ESG) qualities. The fund prioritizes municipal debt from issuers that are pioneers in their respective sectors for ESG performance, or from "thematic bonds" whose proceeds are allocated to positive environmental or social initiatives. Nuveen actively oversees the portfolio, employing a value-based strategy to identify municipal bonds that are both undervalued and offer attractive yields, provided they meet specific ESG criteria.