evironment http://nhpr.org en Traffic Pollution And Asthma http://nhpr.org/post/traffic-pollution-and-asthma <p><strong>EarthTalk®<br>E - The Environmental Magazine</strong></p><p></p> Sun, 30 Dec 2012 05:00:00 +0000 19697 at http://nhpr.org Traffic Pollution And Asthma Where Slaves Ruled http://nhpr.org/post/where-slaves-ruled <p>A National Geographic story reveals the struggles of Brazil's quilombos.</p> Wed, 04 Apr 2012 15:55:30 +0000 Virginia Prescott 2926 at http://nhpr.org Where Slaves Ruled