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The Sustainability Tracking, Assessment & Rating Systemâ„¢ (STARS) is a transparent, self-reporting framework for colleges and universities to measure their sustainability performance.


The following table highlights milestones of the STARS program.

Jan. 2018 AASHE releases a STARS Review Template and pilot program to encourage and support independent review of reports prior to submission.
Jan. 2018 Sierra magazine and The Princeton Review announce that they will use published STARS reports as the basis of their annual rankings (U.S. and Canada).
Sept. 2017 The University of New Hampshire becomes the third institution to earn a Platinum rating.
Aug. 2017 Stanford University becomes the second institution to earn a Platinum rating.
July 2017 Administrative Update Three of the STARS 2.1 Technical Manual published. View the Summary of Changes.
April 2017 The Foundation for International Education (FIE) becomes the first institution in the UK to earn a STARS rating.
Jan. 2017

Acadia University becomes the 800th institution to register for STARS. Administrative Update Two of the STARS 2.1 Technical Manual published.

May 2016 STARS 2.1 launched. Administrative Update One of the STARS 2.1 Technical Manual published. Pre-publication AASHE staff review of all submissions for ratings begins.
Jan. 2016 AASHE publishes an early release version of the STARS 2.1 Technical Manual. View a summary of substantive changes.
Nov. 2015 The American College in Greece becomes the first institution in Europe to earn a STARS Bronze rating.
Oct. 2015 AASHE publishes a draft of STARS 2.1 for public comment.
Oct. 2015 AASHE publishes the 2015 Sustainable Campus Indexhighlighting top-performing colleges and universities in 17 impact areas.
April 2015 Universidade Federal de Santa Catarina (Brazil) becomes the 700th institution to register for STARS.
March 2015 Colorado State University becomes the first institution to earn a STARS Platinum rating.
Jan. 2015 Universidad de Monterrey (Mexico) is the first institution outside the U.S. and Canada to earn a STARS Bronze rating.
Jan. 2014 University of Victoria (Canada) becomes the 300th STARS rated institution.
Jan. 2014 AASHE releases Administrative Update Two to STARS 2.0. View a detailed Record of Changes (PDF).
Oct. 2013 AASHE releases STARS 2.0, which includes open international registration, new levels of access, and Administrative Update One (view Record of Changes).
Aug. 2013 AASHE publishes an early release version of the STARS 2.0 Technical Manual.
Oct. 2012 AASHE launches the STARS 2.0 Public Comment Period.
May 2012 AASHE launches a new and improved brand.
Feb. 2012 AASHE releases STARS 1.2.  View a detailed Record of Changes (PDF). AASHE launches the Campus Sustainability Data Collector to allow institutions to share STARS data with third parties and reduce the "survey fatigue" associated with multiple reporting obligations.
Oct. 2011 AASHE launches the STARS International Pilot.
Sept. 2011 AASHE releases Administrative Update One to STARS 1.1. View a detailed Record of Changes (PDF).
Feb. 2011 AASHE releases STARS 1.1.  View a detailed Record of Changes (PDF).
Jan. 31, 2011 STARS Charter Participant deadline. Submission deadline for institutions that registered for STARS between September 20, 2009 and January 31, 2010. Some institutions took a 6-month extension.
Nov. 2010 AASHE releases Administrative Update Two to STARS 1.0.  View a detailed Record of Changes (PDF).
Aug. 20, 2010 Deadline to register as a STARS Charter Participant.
June 2010 AASHE releases Administrative Update One to STARS 1.0.  View a detailed Record of Changes (PDF).
Jan. 19, 2010 AASHE launches STARS 1.0 with the webinar "Measuring Campus Sustainability:  Reaching for the STARS", which kicks off the STARS webinar series.
Sept. - Dec. 2009 Minor administrative updates made to the STARS Technical Manual. View a detailed Record of Changes (PDF).
Sept. 20, 2009 STARS 1.0 Early Release launches at Greening of the Campus VIII: Embracing Change and STARS Charter Participant registration begins.
Feb - Aug. 2009 AASHE compiles the results from the STARS pilot project and collects additional feedback from advisors to inform the credit revision process.
Jan. 2009 STARS pilot period ends. View STARS Pilot Results (PDF).
Sept. 2008 Phase Two of the STARS Pilot Project begins.  View Guide to STARS Pilot Phase Two (PDF).
April 2008 AASHE releases STARS 0.5 (PDF), which opens a public comment period that lasts until May 30, 2008. View feedback received (PDF).
Feb. 2008 Phase One of the STARS Pilot Project begins. View Guide to STARS Pilot Phase One (PDF) and information about the pilot project.
Oct. - Dec. 2007 AASHE conducts focused conference calls with experts and interested parties. View call schedule and notes.
Sept. - Dec. 2007 Experts from throughout the sustainability and higher education communities provide feedback on the draft system. View feedback provided (PDF) and survey results (PDF).
Sept. 2007 AASHE releases STARS 0.4, a draft version of the rating system that includes potential credits. View STARS 0.4 (PDF).
Oct. 2006 - Sept. 2007 AASHE gathers feedback from workshop participants at several campus sustainability conferences, including AASHE 2006, the 2007 Rocky Mountain Sustainability Summit (PDF), the 2007 Smart and Sustainable Campuses Conference (PDF), and the 2007 Greening of the Campus Conference.
Aug. 2006 Higher Education Associations Sustainability Consortium (HEASC) issues a call for AASHE to develop a campus sustainability rating system. View the call.