- Demand: Demand for water has grown at twice the rate of the population, according to the World Resources Institute.
- Supply: Only 3% of the world's water is drinkable.
- Spending: Many Third World countries that previously have had trouble accessing good drinking water are making huge strides in modernizing their water infrastructure.
wrote about the first water ETF, the PowerShares Water Portfolio ( PHO) a year and a half ago when it first listed. I bought the fund a couple of days later for myself and for clients, and still own it. But there's a new water ETF on the block, and it already looks mighty tempting for both its broader field and narrower focus. The water theme is simple to grasp: