About Us

Mindy Granley - Sustainability Officer

As Sustainability Officer at the City of Duluth, Mindy Granley is responsible for improvement of City policies, programs, and initiatives in support of local environmental, economic, and social systems. She works to incorporate sustainability into decision making, measure and communicate progress, and build partnerships for change. Previously, Mindy served for 12 years as Sustainability Director at the University of Minnesota Duluth (UMD), where she advanced operational improvements and integrated sustainability into the learning experience for all students. She championed campus projects and promoted energy and greenhouse gas emission reductions, all while connecting students to learning opportunities in the community. Before working at UMD, Mindy spent 6 years working on watershed management in the Lake Superior watershed at local, regional, and state levels.


Alex Jackson – Energy Coordinator

Alex Jackson is the Energy Coordinator for the City of Duluth. As a member of the Property and Facilities Management team, Alex develops and leads energy efficiency projects and documents project savings to be reinvested in the City’s energy fund. He also monitors energy and utility consumption within 148 buildings and numerous other park assets and public areas. Prior to working for the City of Duluth, Alex spent five years as the Air Program Coordinator for the Fond du Lac Band of Lake Superior Chippewa. There he was responsible for tracking the Band’s air emissions and assisting in the operation of their air quality monitoring station.

Service Members

Parker Angelos - Ecolibrium3 AmeriCorps VISTA Energy and Sustainability Assistant

Parker Angelos is serving as the Ecolibrium3 AmeriCorps VISTA Energy and Sustainability Assistant. He studied at Indiana University and graduated in 2019 with a BA in International Studies and Spanish. In May of 2022, he earned his Master of Environmental Sustainability with a concentration in municipal sustainability at IU from the O’Neill School of Public and Environmental Affairs. Serving the Duluth community this year, he hopes to support the creation of a more equitable and sustainable society through combating the effects of climate change. His work will include a variety of things such as implementing actions in both the Duluth Climate Action Work Plan and the Imagine Duluth 2035 Comprehensive Plan, along with greenhouse gas accounting, energy and sustainability data quality assurance/quality control, grant work, community outreach, and other activities. In his free time, he enjoys being in nature such as camping or hiking, traveling across the country and abroad, and trying new cuisines. He is excited to join the city government, to meet and learn from the Duluth community, and to explore the natural beauty of Northern Minnesota.  

Lydia Peterson, AmeriCorps Community Resiliency and Energy Fellow

Lydia is joining the Sustainability Office as a Community Resiliency and Energy Specialist with Lead for America, an AmeriCorps program that brings fellows back home to “start where they live.” Born in Minneapolis but raised in Duluth, Lydia is a recent graduate of the University of St Andrews in Scotland, where she obtained a BA in International Relations and Anthropology. As an undergraduate student, she served as Co-Founder and Head of Marketing for the St Andrews Law Review and President of the St Andrews Law Society, as well as interning with various political and environmental organizations. She’s excited to be back home to engage with the community on issues of energy transition and environmental justice, particularly through the utilization of the 2022 Department of Energy Communities LEAP grant project. 


Nils Hoselmann - Climate Smart Municipalities Intern

Nils Hoselmann is a student of the environmental engineering program at FH Muenster University of Applied Science. His internship position with the City of Duluth, Minnesota will assist their Sustainability Officer and Engineering Division to adapt the City’s stormwater infrastructure for climate change impacts, increase the use of solar energy, and explore energy storage options. His work will help the City better include climate-based decisions in their day-to-day operations. Projects he will contribute to include: 1) development of technical designs for stormwater treatment and green infrastructure, 2) evaluating solar readiness of city lands and buildings, and 3) exploring land-use and community desires for solar PV installations on top the City’s buried water reservoirs. Nils will be working in close collaboration with the City’s Sustainability Officer, Mindy Granley, and the City’s Energy Coordinator, Alex Jackson, and is excited to learn firsthand how American approaches to climate action vary from those in Germany. In his free time, Nils enjoys exploring the expansive system of parks and outdoor spaces which provide Duluth its North Shore character, and is a true craft beer enthusiast. He looks forward to experiencing Duluth’s beautiful summer months, including the area’s unmistakable music and culture scene.”

Caroline Wortham - University of Minnesota Duluth Intern

Caroline is a senior at UMD studying Environment, Sustainability, and Geography with a minor in communications. She will be working on projects that combine her passions for environmental sustainability and writing, such as drafting press releases, blogs and social media content, working on a sustainability timeline to showcase the city’s efforts, and more. Caroline has been committed to environmental conservation for many years. She cares deeply about building a society that lives in harmony with the earth, and hopes that increasing awareness about environmental issues will inspire positive changes for the planet.

Past City of Duluth Sustainability AmeriCorps VISTAs, Green Corps members and Interns

  • Annika Frazer
  • Cassidy Laib
  • Faith Breeden
  • Sydney Schulz
  • Kaleb Montgomery
  • Lily Strehlow
  • Hannah Zahn-Helss
  • Julia Forberg
  • George Masson