http://www.thetakeaway.org/2008/dec/22/page-americas-briefing-book-water/ http://www.podtrac.com/pts/redirect.mp3/audio.wnyc.org/takeaway/takeaway122208e.mp3 What President-elect Obama needs to know about water http://www.thetakeaway.org/2008/dec/22/page-americas-briefing-book-water/ http://media.wnyc.org/media/photologue/photos/tt/water-use-and-pop-over-time_1900-2000.jpg true 8436 segment With a fixed amount of water on earth, a growing population means the competition for water is increasing. http://media.wnyc.org/media/photologue/photos/tt/cache/water-use-and-pop-over-time_1900-2000_26_square.jpg http://media.wnyc.org/media/photologue/photos/tt/cache/water-use-and-pop-over-time_1900-2000_26_square.jpg