The document discusses trends that will impact local governments over the next 20 years. It identifies 4 key forces driving change - resources, technology, demographics, and governance. Under these forces, 44 trends are described relating to issues like climate change, water shortages, digital technology, sharing economies, infrastructure needs, and evolving citizen expectations. The document provides solutions for local governments, ranging from assessing resource threats to broadening sustainability efforts to reinventing government models for the future.