http://students.autodesk.com/?nd=home http://students.autodesk.com/ http://usa.autodesk.com/adsk/servlet/pc/index?siteID=http://usa.autodesk.com/adsk/servlet/pc/index?siteID=123112&id=15016722 20 Autodesk Sustainability in Action — Progress Report FY2011 GRI Index The Global Reporting Initiative (GRI) G3 Sustainability Reporting Guidelines provide principles and indicators that organizations can use to measure and report their economic, environmental, and social performance.