Investors around the world are embracing sustainable investing, or the consideration of environmental, social and governance (ESG) qualities in their investment process. This shift shows no signs of abating. Global ESG assets are expected to exceed $53 trillion by 2025, according to Bloomberg estimates. This would represent more than a third of the $140.5 trillion in projected total assets under management (AUM) worldwide by 2025. It’s clear that investors want to align their personal beliefs with their pocketbooks. And with our climate at a tipping point, one way for investors to make a difference while generating returns is by investing in environmentally responsible companies. Here are four sustainable ETFs focusing on climate change and water scarcity to consider. iShares Global Clean Energy ETF (ICLN) Solar, wind, hydropower and other clean energy sources are expected to account for half of the world’s energy mix by 2030, according to estimates from...