The municipal bond market may not be thought of as an epicenter of environmentally conscious investing options, but a new breed of exchange traded funds is flipping that script. That group includes the SPDR Nuveen Municipal Bond ESG ETF (MBNE), which debuted in April. Indeed, MBNE is clearly a rookie ETF, but it might just [...] The post MBNE Brings Sustainability to Muni ETFs appeared first on ETF Trends .