http://www.snr.arizona.edu/taxonomy/term/29 The taxonomy view with a depth of 0. en http://www.snr.arizona.edu/project/recreation <p>Dr. Randy Gimblett uses agent-based models to understand and predict visitor impact. recreation management national parks public land visitor impact International Wed, 11 Feb 2009 11:52:21 -0700 alyssa 839 at http://www.snr.arizona.edu http://www.snr.arizona.edu/project/ihope <p>SNRE Director works with a team of international scholars to model human response to environmental change - revealing nuanced and often hopeful stories to guide our future. sustainability history human dimensions human-environment IHOPE Sustainablity or Collapse International Fri, 11 Jan 2008 11:24:37 -0700 alyssa 71 at http://www.snr.arizona.edu