Vivvo CMS 4.1 http://www.pri.org/ ©2010 Spoonlabs d.o.o. http://www.pri.org/files.php?file=rss_682409203.gif http://www.pri.org/ http://www.pri.org/stories/science/environment/noaa-maps-the-noise-pollution-we-don-t-hear-but-whales-do-12425.html Environment Thu, 20 Dec 2012 09:01:00 -0600 Imagine having to shout over incredibly loud noise in order to communicate with someone close by. For whales and other ocean animals that rely on echolocation sonar to communicate and locate food, noise pollution created solely by humans has taken a toll. http://I think a better chicoe would be to pick a type, but pollution may be possible I think your teacher would prefer a more specialized approach. Was this answer helpful? Environment Wed, 30 Jan 2013 10:28:12 -0600 I think a better chicoe would be to pick a type, but pollution may be possible I think your teacher would prefer a more specialized approach. Was this answer helpful? PRI: Public Radio International