City hosts a University of New Hampshire fellow to update greenhouse gas inventory

March 25, 2020


The City of Portsmouth’s Sustainability Department recently hosted a University of New Hampshire Sustainability Institute (UNHSI) fellow to join city staff as part of a fellowship program in partnership with UNHSI.

The fellow, Griffin Brown, completed the City’s 2018 Greenhouse Gas Inventory. Griffin, a recent graduate from Pennsylvania State University, spent the summer and part of the fall of 2019 completing the inventory of the City’s greenhouse gas emissions. The City initiates an updated assessment on greenhouse gas emissions roughly every six years, with the last valuations been conducted in 2006 and 2012. To view these past studies, please visit

To work with UNH fellows, the City must apply and be accepted into the Sustainability Institute’s program. This is the fourth fellow that the City has hosted. Prior students work was included: conducting the 2012 Greenhouse Gas Inventory, one fellow did a waste composition analysis of curbside recycling in Portsmouth and completed GIS mapping and analysis of Historic Resources in the Downtown, and a fellow conducted on-site interviews with Portsmouth residents and the 2018 fellow contributed to the City’s recent Historic Resources Climate Change Vulnerability Assessment and Adaptation Plan.

Griffin’s time was filled gathering data from City Staff and going through city records to understand and track Municipal operations and also speaking with utility companies and other outside sources to characterize Community wide emissions.  To view the report click on the following link:

2018 Study

Image: Portsmouth High School's solar arrays

Portsmouth High School solar arrays