Craig Cassar, a first-term City Councilor in Hamilton, Ontario, shares his journey from corporate leadership to municipal advocacy. He discusses Hamilton's challenges and triumphs in sustainable city building, emphasizing the synergy between urbanism and environmentalism. The conversation highlights the importance of grassroots engagement in urban planning, resisting expansion into farmland, and promoting human-centric designs. Cassar also advocates for initiatives like the Hamilton Butterfly Way Project, which intertwine nature with urban development for a healthier community.