https://biz.prlog.org/tag/npg/ npg - Free business directory on PRLog.Org, latest companies listed first. 60 https://biz.prlog.org/NPG_Inc/ Negative Population Growth, Inc. (NPG) is a national nonprofit membership organization with over 30,000 members. Founded in 1972 to educate Americans about the devastating effects of overpopulation on our environment, resources, and standard of living.Fri, 27 May 2011 15:23:10 GMT