<p>The sixth graders at Stephen A. Halsey Junior High School 157 in Queens have a tough assignment before them: design a new playground that will transform a sea of black asphalt at their school into a recreational oasis &mdash; and, while they are at it, help clean up New York City&rsquo;s waterways. <a href="http://www.nytimes.com/2012/05/08/nyregion/queens-students-get-water-lessons-by-designing-playground.html?_r=1&amp;ref=water">More</a> (Source: The New York Times)</p>
