Climate change and inequality led to this ancient city’s demise. What can we learn from looking back? The 10,000-year-old urban settlement of Çatalhöyük still has lessons to teach about dealing with growth challenges. Eric Jaffe 1 Jan
Design The architects building Toronto’s past into its future The firm Lebel & Bouliane has become known for adaptive reuse projects — like the new Sidewalk Toronto workspace, “307” — that make history an integral part of their designs. Vanessa Quirk 5 May
Open-Source Tool The Old Toronto map tool helps you explore the city through historical photos The Old Toronto map tool helps you explore the city through old photos Dan Vanderkam and Matt Breuer 3 Mar
15 Innovations That Shaped the City N-1-1: The Rise (and Surprise) of Three-Digit City Services The evolution of 911, 311, and other local numbers into digital services promises to make cities far more responsive. 12 Dec
15 Innovations That Shaped the City Street Grids: A City’s Indelible Footprint Far from a static layout, the grid creates the conditions for new travel modes, adaptable infrastructure, and sustainable growth. 12 Dec
15 Innovations That Shaped the City Steam Engines: Giving Cities Industrial Might Steam power brought industry, electricity, and opportunity into cities, but it also paved the way for fossil fuels to damage the planet. 10 Oct
15 Innovations That Shaped the City Electric Lighting: Dawn of Urban Nightlife Edison's incandescent bulb gave rise to profound new possibilities for work and play in cities. 9 Sep
15 Innovations That Shaped the City Zoning: The Legal and Social Codes of Urban Planning What began as a policy innovation to help organize cities has contributed to segregation and severe housing shortages. 9 Sep
15 Innovations That Shaped the City Shipping Containers: A Big Box Full of Contradictions Containerization transformed everything from the urban labor force to suburban shopping. 9 Sep
15 Innovations That Shaped the City Traffic Signals: Catalyst of Car-Driven Cities Traffic lights did make city intersections safer for cars, but they came at the expense of pedestrian freedom. 9 Sep
15 Innovations That Shaped the City Elevators: How Cities Rose to the Occasion Elevators proved to be a primary engine of urban density over the last century, boosting economies of scale for big cities and redefining urban life. 9 Sep
Urban history series 15 Innovations That Shaped the City A Sidewalk Talk series that explores some of the major advances in urban technology, design, and policy across history — from Roman sewers to real-time transit. Eric Jaffe 9 Sep