Fresh water scarcity: An introduction to the problem - Christiana Z. Peppard
View full lesson: http://ed.ted.com/lessons/fresh-water-scarcity-an-introduction-to-the-problem-christiana-z-peppard Fresh water is essential for life -- and there's not nearly enough of it...
========== Translator: Andrea McDonough
Reviewer: Bedirhan CinarYou might have heard that we're running out of fresh water.This might sound strange to you because,if you live in a place where water flows freelyfrom the tap or shower at any time,it sure doesn't seem like a big deal.It's just there, right?Wrong!The only obvious thing about fresh wateris how much we need it.Because it's essential to life,we need to think about it carefully.Right now, at this very moment, some people,women and girls in particular,walk hours and miles per day to get fresh water,and even then, it may not be clean.Every 15 seconds, a child dies due to water-born diseases.This is tragic!The most compelling reasons to think about fresh water,therefore, have to do with what w...