Possibly solution to city's space and resource scarcity is within city limits itself!

Please visit my web page "Urban Tenets" at https://urbantenets.nl/

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POPULATION AND DENSITY

How many people can peacefully and respectfully coexist within one Square Kilometer of a city without compromising on functionality and respectable individual social space. You have empirical examples and you can also make a simulation model of maximum density case scenario including residential, working and transitory population. Acknowledging that population density is never a correct indicator of quality of life. Acknowledging that 2 dimensional approach of population density should be revisited to include 3rd dimension as more and more people are being accommodated vertically, and as more and more utilities, mobility, asset, cargo can be accommodated underground in coming times.

CONSTRUCTION

How much Built Up Area (BUA) a City can technically hold within one Sqkm, given the limitation of existing construction technology, available sustainable material of choice and considering requirements of structural stability. You can build and test scenarios and models based on type of landuse including mixeduse case and you can also make digital twin/ BIM/vGIS model to check if model is workable as habitable. Acknowledging that Hong kong style housing was never an ideal architectural concept of creating more built-up area in a city and it was only a technological and financial constraint. Rather imagine constructing a Cubic Km of monolith Real Estate including private and public space like a perforated Swiss Cheese in form of space frame as a maximum BUA case scenarios.

BIODIVERSITY

How much Biotic Diversity in terms of native regional flora, fauna and wild meadows can be accommodated in a Cubic km of City along with humans without overwhelming, compromising or competing for space and other resources considering their growh rate. Acknowledging that way too much of biodiversity in a city was never a good idea, like some exotic species leading to biodiversity nuisance and like beehive on every corporate office and public buildings leading to severe pollination issues.

SUSTAINABILITY AND SELF-RELIANCE

How much self sustainability a Cubic km of city can achieve in terms of it's own

1) Food security,

2) Energy needs

3) Waste load management and

4) Water security, through range of means-

1.a) Urban agricultural, edible landscape, Food forest, community seed bank, school seed bank, vertical farm, rooftop greenhouse, bush food experience, kitchen garden, aquaponic, hydroponics, aeroponic, doomsday vault, extended shelf life solutions-

2.b) Energy education, energy aware lifestyle, energy conservation by design, interventions and appliances, energy load management, IoT and edge devices, building energy load management through solar passive architecture, building insulation/ ventilation, harvesting and storing energy from sun, wind, algae, river, stream, canal, organic waste; biofuels, heat recovery from process and thermal storage, Air Source Heat Pump/ ASHP, open window detection, micro turbine-

3.c) Waste reduction, circular waste economy, recycling, reuse, upcycle, repurpose, near zero construction waste,

4.d) Water conservation, treated sewage effluent, waste water treatment, IOT Sensors, water saving appliances, precision agriculture, mist irrigation, water from air condensation, extracting drinking water from air and others, flood water harvesting, storm water retention basin, cloud seeding,.

Author: Anoop Jha

#urbanplanning #cityplanning #townplanning #sustainability