<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><a href="http://khanotations.github.io/smoke-map/" class="">http://khanotations.github.io/smoke-map/</a><div class=""><br class=""></div><div class=""><br class=""><div class="">
<div style="color: rgb(0, 0, 0); letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^<br class="">” … housing growth poses the main threat to protected areas in the United States <br class="">whereas deforestation is the main threat in developing countries."<br class=""> <br class="">Volker C. Radeloff, Susan I. Stewart et al. Housing growth in and near United States <br class="">protected areas limits their conservation value. PNAS. January 12, 2010. <br class=""><br class=""><a href="http://www.pnas.org/content/107/2/940.abstract?sid=4718e5e2-8fa3-475a-9b92-032f399600c3" class="">http://www.pnas.org/content/107/2/940.abstract?sid=4718e5e2-8fa3-475a-9b92-032f399600c3</a><br class=""><br class=""><br class=""></div>
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