With six ETFs to choose from, investors have their pick in an industry with a strong investment case behind it.
The long-term prospects look solid for solar, water ETFs, according to one hedge fund manager.
Increasingly scarce clean water is translating into gains for water-related ETFs.
|Largest New ETFs - Sorted By Total Net Assets In $US Millions|
|Covers ETFs launched in the year ending April 30, 2008.|