The iShares MSCI EMU ESG Enhanced CTB ETF invests in developed European Economic and Monetary Union (EMU) companies by selecting stocks from the MSCI EMU Index that meet high environmental, social, and governance (ESG) standards. It specifically excludes firms involved in controversial activities such as conventional and nuclear weapons, civilian firearms, thermal coal, tobacco, and unconventional oil and gas. The fund emphasizes companies with strong decarbonization efforts and higher ESG ratings, aiming to support sustainable and responsible investment within the EMU market.