In Massachusetts and in the world, ~30% of greenhouse gas emissions come from buildings. The transition to renewable energy sources, like geothermal networks, is essential for reducing emissions and mitigating climate change. These transitions, however, are not just technological but also have significant social, political, and environmental dimensions. In this class, you will learn about thermal energy networks and how they are one of the most efficient systems available to deliver climate-friendly heating and cooling equitably to entire neighborhoods. These technologies are not well covered in education systems nor well understood by decision makers, but through lecture, activities, and discussion, you'll get valuable insights into the current decarbonization scene. We will also discuss what roles youth can play in decarbonizing our communities. Let’s accelerate decarbonization together!