A Surprising Barrier to Clean Water - Human Nature

Many times, the barriers to solving human problems and some of the challenges we face in the world is not lack of technical solutions or intellectual capacity or technological wherewithal but human nature itself. While this is saddening, it is also interesting in many ways - considering how people stand in the way of solutions to their problems (sometimes because they just don't understand).

Read this link http://www.npr.org/blogs/money/2013/06/20/193587906/a-surprising-barrier-to-clean-water-human-nature to find an example of such human barrier to solutions.