The journey toward renaturalizing urban spaces is an ongoing effort that began as early as the 1970s and continues to shape cities worldwide today. From transforming highways into vibrant parks to restoring waterways and integrating nature into urban planning, these projects reflect a shared commitment to sustainability, livability, and resilience. In Portland, the 1978 creation of Tom McCall Waterfront Park set a pioneering example by replacing a highway with green spaces. Decades later, Boston followed with the Rose Kennedy Greenway, reclaiming land from the elevated Central Artery.
