污泥轉化凈水器-Design That Solves Problems for the World’s Poor

看到圖中的貧人小孩 正開心的扥者"污泥轉化淨水器".....把污泥水快速的轉變為淨化的水, 就知道這個NPO團體作了些什麼創新的改變了!!
http://www.nytimes.com/2007/05/29/science/29cheap.html?_r=1&oref=slogin