NEW YORK--(BUSINESS WIRE)--MSCI Inc. (NYSE: MSCI), a leading provider of research-based indexes and analytics, reports a surge in demand for Environmental, Social and Governance (ESG) data and indexes. As of July 2015, equity ETF assets tracking MSCI ESG Indexes grew nearly 30% to $1.8 billion during 2015. Since December 2013, assets have more than doubled, rising by 140%, with 22 new ESG ETFs tracking MSCI indexes. So far in 2015, ten of the 11 ESG ETF’s launched have been based on MSCI indexe