Editing Portland Building (section)

==Features==
The roof of the Portland Building is covered with a [[green roof]], installed in 2006.<ref>{{cite news|url=http://www.oregonlive.com/portland/index.ssf/2008/09/some_portland_roofs_to_take_on.html|title=Some Portland roofs to take on a green hue|last=Genovese|first=Fran|date=September 18, 2008|newspaper=[[The Oregonian]]|accessdate=October 19, 2010}}</ref><ref>{{cite web|url=http://www.opb.org/programs/ofg/segments/view/1743|title=Green Roofs|year=2010|work=[[Oregon Field Guide]]|accessdate=October 19, 2010|archive-date=May 7, 2010|archive-url=https://web.archive.org/web/20100507064000/http://www.opb.org/programs/ofg/segments/view/1743|url-status=dead}}</ref> The roof was proposed in 2005,<ref>{{cite news|url=http://nl.newsbank.com/nl-search/we/Archives?p_product=NewsLibrary&p_multi=PJCB&d_place=PJCB&p_theme=newslibrary2&p_action=search&p_maxdocs=200&p_topdoc=1&p_text_direct-0=10CC81C6EDE567A8&p_field_direct-0=document_id&p_perpage=10&p_sort=YMD_date:D&s_trackval=GooglePM|title=Twenty years later, Portland Building may get a touch-up|date=September 21, 2005|work=[[Daily Journal of Commerce]]|accessdate=October 19, 2010|archive-date=June 8, 2011|archive-url=https://web.archive.org/web/20110608193355/http://nl.newsbank.com/nl-search/we/Archives?p_product=NewsLibrary&p_multi=PJCB&d_place=PJCB&p_theme=newslibrary2&p_action=search&p_maxdocs=200&p_topdoc=1&p_text_direct-0=10CC81C6EDE567A8&p_field_direct-0=document_id&p_perpage=10&p_sort=YMD_date:D&s_trackval=GooglePM|url-status=live}}</ref>
part of an experiment through [[Oregon State University]] to test ''[[Sedum spathulifolium]]'' as a water-absorbing plant for the northwest.<ref>{{cite web| url=http://hort.oregonstate.edu/greenroof_block| title=Greenroof Research in the Pacific Northwest| website=[[Oregon State University]]|accessdate=October 19, 2010|archive-url=https://web.archive.org/web/20100601161433/http://hort.oregonstate.edu/greenroof_block|archive-date=June 1, 2010|url-status=dead}}</ref><ref>{{cite web |url=http://extension.oregonstate.edu/news/story.php?S_No=483&storyType=news |title=Extension Service News: OSU scientists open green roof test site to public for tour and discussion (10/01/2007) |date=October 1, 2007 |website=Oregon State University |accessdate=October 19, 2010 |archive-date=January 6, 2008 |archive-url=https://web.archive.org/web/20080106152440/http://extension.oregonstate.edu/news/story.php?S_No=483&storyType=news |url-status=live }}</ref> The new roof will help the building's heating, cooling, and storm-water runoff systems.<ref>{{cite magazine|last=Manfra|first=Laurie|title=Portland Building - 1982; The Michael Graves legacy remains as contentious and confounding as ever|magazine=Metropolis|date=April 2006|url=http://www.metropolismag.com/story/20060320/portland-building-1982|access-date=|archive-date=2009-01-26|archive-url=https://web.archive.org/web/20090126075152/http://www.metropolismag.com/story/20060320/portland-building-1982|url-status=live}}</ref>