A city can be packed with sensors and still be ugly, unequal, and environmentally destructive. That’s the core warning of Part III of Smart Cities and Urban Planning. Mohammed Al‑Tanbour insists that “smart” must serve “sustainable” – not the other way around.
The chapter opens with concrete examples of how smart technologies can boost environmental performance. Smart building management systems reduce heating and lighting when rooms are empty. Smart grids balance solar and wind energy with storage, cutting fossil fuel use. Leak detection sensors in water pipes save millions of litres, while smart irrigation waters parks only when the soil is actually dry.
Waste management gets a smart makeover too. Bins with fill‑level sensors tell trucks exactly where to go, slashing fuel use and street congestion. AI‑powered sorting facilities dramatically improve recycling rates. And digital platforms are emerging to support circular economies – think apps that help residents repair, share, or resell items instead of throwing them away.
But Al‑Tanbour doesn’t ignore the human dimension. He shows how real‑time air quality alerts protect vulnerable populations during heatwaves, and how adaptive lighting in public spaces improves safety without wasting energy. The book argues that livability indicators – like time spent commuting, access to parks, or frequency of social interactions – should be tracked as carefully as electricity consumption.
A major highlight is the discussion of data‑driven decision‑making. Urban dashboards allow planners to visualise trends and test scenarios. Should we rezone an industrial area for housing? Run it through a digital twin first. How will a new bike lane affect emergency response times? The data can tell you.
Crucially, the author addresses the downsides: the rebound effect (more efficient roads can lead to more driving), privacy concerns, and the digital divide. He argues that smart tools must be designed with equity in mind – not just for tech‑savvy, wealthy residents. Part III is a reality check for anyone who thinks technology alone will save our cities.
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