1. Bottled Water
We can’t live without H20; assuming we can solve the pesky issue of all the plastic, whether via recycling or reusable containers, bottles of fresh water of various sizes could easily fill the role of a currency , whether in the gyms of Manhattan or the markets of clean water-scarce regions of Africa.
![Inception Date: <strong>May 3, 2011</strong><br/>Net assets: <strong>$1.8 million</strong><br/>Global X suggests that the fish trade is likely to increase in coming years as diets around the world continue to add more protein. This young fund tracks an in](https://cdn.thefiscaltimes.com/sites/default/files/styles/carousel/public/slideshows/08312011_ETF_Fishing_slideshow.jpg?itok=tkhRUoO5 "Global X Fishing Industry ETF (<a href="http://globalxfunds.com/FISN" target="_blank">FISN</a>)")