The Urbanist’s Lens

In this episode of The Urbanist’s Lens, hosts Drew and Andrea examine how Los Angeles is tackling its long-standing traffic congestion and housing affordability crises through zoning reforms and major transit infrastructure investments. They delve into the city's efforts to reimagine zoning laws, from loosening restrictions on multifamily housing to the impact of the Affordable Housing and High Road Jobs Act, and discuss how these changes aim to increase affordable housing supply. The conversation also highlights transformative transit projects, including the “Twenty-eight by '28” initiative and new light rail lines, exploring how improved connectivity can reshape urban mobility. Drew and Andrea unpack the complex interplay between housing density, public transit, and community resistance, offering insights into how Los Angeles is navigating the path toward a more equitable, sustainable, and livable city.

The Urbanist's Lens is written and produced by Andro Madrogaba.

REFERENCES:

Albaryan, A. (2024, December 30). LA housing plan draws mixed reaction from residents. Spectrum News 1. Retrieved from https://spectrumnews1.com/ca/southern-california/housing/2024/12/28/la-housing-plan-draws-mixed-reaction-from-residents

Linton, J. (2024, October 30). Are officials protecting single-family-home zoning in LA?. LAist. Retrieved from https://laist.com/news/housing-homelessness/los-angeles-zoning-planning-department-recommendation-recap

Federal Transit Administration. (2024, August 14). Investing in America: Biden-Harris Administration announces $893.3 million grant to support new light rail in Los Angeles. U.S. Department of Transportation. Retrieved from https://www.transit.dot.gov/about/news/investing-america-biden-harris-administration-announces-8933-million-grant-support-new

Linton, J. (2024, October 30). Behind the LA zoning commission recommendation to leave 72% of city zoned for single-family homes. LAist. Retrieved from https://laist.com/news/housing-homelessness/los-angeles-zoning-planning-department-recommendation-recap

East San Fernando Valley Light Rail Transit Project. (n.d.). In Wikipedia. Retrieved from https://en.wikipedia.org/wiki/East_San_Fernando_Valley_Light_Rail_Transit_Project

In this episode of The Urbanist’s Lens, hosts Drew and Andrea explore how San Antonio can take cues from Brisbane’s innovative heat mitigation strategies to combat extreme heat and promote walkability. They dive into Brisbane’s use of shaded walkways, misting systems, green roofs, and cool pavements, unpacking how these urban cooling solutions create more livable and resilient cities. The discussion highlights the role of thoughtful urban design in addressing rising temperatures, improving public health, and enhancing social equity. Drew and Andrea also consider the challenges of adapting these strategies to San Antonio’s unique climate and urban fabric, offering insights into how cities can balance sustainability, functionality, and community needs.

Whether you’re an urban planner, architect, policymaker, or simply passionate about creating cooler, more walkable cities, this episode delivers fresh perspectives on designing for a hotter future.The Urbanist’s Lens is written and produced by Andro Madrogaba.

REFERENCES

Black-Ingersoll, F., de Lange, J., Heidari, L., Negassa, A., Botana, P., Fabian, M. P., & Scammell, M. K. (2022). A literature review of cooling center, misting station, cool pavement, and cool roof intervention evaluations. Atmosphere, 13(7), 1103. https://doi.org/10.3390/atmos13071103

Lee, S., Cho, Y.-I., Lee, M.-J., & Lim, Y.-S. (2023). The evaluation of the temperature reduction effects of cool roofs and cool pavements as urban heatwave mitigation strategies. Applied Sciences, 13(20), 11451. https://doi.org/10.3390/app132011451

U.S. Environmental Protection Agency. (2023, August 9). Using green roofs to reduce heat islands. https://www.epa.gov/heatislands/using-green-roofs-reduce-heat-islands

U.S. Environmental Protection Agency. (2023, August 9). Using cool pavements to reduce heat islands. https://www.epa.gov/heatislands/using-cool-pavements-reduce-heat-islands

Ulpiani, G., & Zinzi, M. (2023). Experimental assessment of the heat mitigation potential of an urban cooling shelter: Combining water misting with solar shading, wind shield, and smart control. Energy and Buildings, 273, 112434. https://doi.org/10.1016/j.enbuild.2022.112434

Santamouris, M., Ding, L., Fiorito, F., & Synnefa, A. (2016). Passive and active cooling for the outdoor built environment—Analysis and assessment of the cooling potential of mitigation technologies using performance data from 220 large scale projects. Solar Energy, 154, 14–28. https://doi.org/10.1016/j.solener.2016.03.010

In this episode of The Urbanist’s Lens, hosts Drew and Andrea explore Nicholas Boys Smith’s visionary plan for Greater Cambridge, where the concept of "gentle density" could redefine urban living. They discuss how this approach—focused on medium-density, walkable neighborhoods—aims to create vibrant communities without the downsides of high-rise sprawl. The conversation highlights Boys Smith’s ambitious proposal to develop up to 214,000 new homes by 2050, seamlessly connected by a 40km tram network designed to reduce car dependency and promote sustainable growth.

The Urbanist's Lens is written and produced by Andro Madrogaba.

REFERENCES:

Boys Smith, N. (2021, November 1). Go 'deep green' with gentle density. Create Streets. Retrieved from https://www.createstreets.com/go-deep-green-with-gentle-density/

Boys Smith, N. (2025, February 14). Greater Cambridge vision. Create Streets. Retrieved from https://www.createstreets.com/wp-content/uploads/2025/02/Greater-Cambridge-vision_140225_compressed.pdf

Hatton, B. (2025, February 16). Trams, labs and 460,000 more homes: How Cambridge could look. The Times. Retrieved from https://www.thetimes.co.uk/article/build-towns-with-trams-and-gentle-density-mzb8rmtk7

Booth, R. (2024, December 11). England's new towns must be walkable and green, say campaigners. The Guardian. Retrieved from https://www.theguardian.com/politics/2024/dec/11/englands-new-towns-must-be-walkable-and-green-say-campaigners

In this episode of The Urbanist’s Lens, hosts Drew and Andrea delve into the transformative impact of London's Elizabeth Line on the city's urban landscape. They explore how this £18.9 billion infrastructure project has redefined commuting, reshaped economic zones, and influenced urban development since its opening in May 2022. The discussion covers the line's design excellence, highlighted by its 2024 Stirling Prize win, and examines its role in enhancing connectivity across London. Drew and Andrea also address critiques concerning budget overruns and project delays, while evaluating the line's success in increasing rail capacity by 10% and serving over 700,000 passengers daily. With insights from urban planners and real-world examples, this episode invites listeners to consider the broader implications of major transport investments on urban growth and sustainability. Whether you're a city planner, architect, or simply intrigued by urban transformations, this conversation offers a comprehensive look into how the Elizabeth Line is reshaping London.

References

• Alstom. (2024, December 9). How commuter rail can boost a local economy: A look at London’s Elizabeth line. https://www.alstom.com/press-releases-news/2024/12/how-commuter-rail-can-boost-local-economy-look-londons-elizabeth-line

• Architecture Today. (2023, April 15). The Elizabeth Line: Time to harness opportunity. https://architecturetoday.co.uk/elizabeth-line-review/

• AshbyCapital. (2024, October 1). The Lizzie Line effect. https://ashbycapital.com/stories/the-lizzie-line-effect

• AtkinsRéalis. (2024, October 17). AtkinsRéalis celebrates as London's Elizabeth Line wins 2024 RIBA Stirling Prize. https://www.atkinsrealis.com/en/media/trade-releases/2024/2024-10-17

• Bailey, G. (2023, August 10). The Elizabeth Line and its impact on London. METRO Magazine. https://www.metro-magazine.com/10184672/the-elizabeth-line-and-its-impact-on-london

• Crossrail Ltd. (2022, July). Elizabeth line: Evidencing the value. Transport for London. https://content.tfl.gov.uk/tfl-elizabeth-line-benefits-framework.pdf

• Grimshaw Architects. (2024, October 16). Elizabeth Line by Grimshaw Architects named 2024 Stirling Prize Winner. The Architect's Newspaper. https://www.archpaper.com/2024/10/elizabeth-line-grimshaw-architects-2024-stirling-prize-winner/

The Urbanist's Lens is written and produced by Andro Madrogaba.

In this episode of The Urbanist’s Lens, hosts Drew and Andrea explore the growing buzz around the 15-minute city—an urban planning concept that promises to bring work, school, shops, parks, and essential services within a 15-minute walk or bike ride from every home. They dive into the theory behind chrono-urbanism, unpack how cities like Paris and Barcelona are leading the charge, and discuss whether this model is truly achievable or just another urban utopia. Along the way, they tackle critiques around gentrification, social equity, and even the bizarre conspiracy theories that have emerged around the concept. With academic insights and real-world examples, this episode invites listeners to rethink how cities can become more sustainable, inclusive, and livable. Whether you're an urban planner, designer, or just passionate about walkable neighborhoods, this conversation will get you thinking about what makes a city truly work for its people.

The Urbanist's Lens is written and produced by Andro Madrogaba.

In this episode of The Urbanist’s Lens, hosts Drew and Andrea dive into the controversial world of defensive architecture and its impact on urban spaces. They unpack how seemingly subtle design choices—like benches with dividers, anti-homeless spikes, and restricted seating—can transform public areas into hostile environments. Exploring the ethical, social, and urban design implications, they discuss how these exclusionary tactics marginalize vulnerable populations and challenge the very purpose of public spaces. With academic insights and real-world examples, this thought-provoking conversation invites listeners to reconsider how cities can foster inclusivity and compassion through thoughtful design. Whether you're an urban planner, designer, or simply passionate about equitable cities, this episode offers a critical look at how urban spaces can either welcome or alienate.

REFERENCES:

Chadalavada, K., & Sripadma, E. (2020). Defensive architecture – A design against humanity. International Journal of Advance Research, Ideas and Innovations in Technology, 6(1), 247-251.

de Fine Licht, K. (2017). Hostile urban architecture: A critical discussion of the seemingly offensive art of keeping people away. Etikk i praksis. Nordic Journal of Applied Ethics, 11(2), 25-40.

Neighborhood Design Center. (2021). Understanding hostile architecture: The cause and effect of restricting behavior.

The Urbanist’s Lens is written and produced by Andro Madrogaba

In this episode of The Urbanist’s Lens, hosts Drew and Andrea wade into one of the most pressing challenges for modern cities—urban flooding—and explore an innovative solution that’s turning heads: sponge cities. But what exactly is a sponge city, and how does it work?

They dive deep into how this forward-thinking urban planning approach uses green infrastructure, permeable surfaces, and restored waterways to absorb and manage rainwater naturally, reducing flood risks while creating more livable spaces. From Wuhan’s groundbreaking sponge city pilot to Berlin’s green rooftops and San Salvador’s ecosystem restoration, Drew and Andrea unpack real-world examples that show how cities around the globe are transforming concrete jungles into water-absorbing landscapes.

They also discuss how sponge cities go beyond flood mitigation—improving water quality, reducing urban heat, and even boosting biodiversity. But it’s not all smooth sailing. The hosts explore the challenges cities face in adopting these strategies, from funding hurdles to balancing urban development with green space preservation.

Whether you’re an urban planner, designer, or just someone curious about how cities can adapt to climate change, this episode offers an engaging deep dive into how sponge cities could reshape the future of urban living—one raindrop at a time.

The Urbanist's Lens is written and produced by Andro Madrogaba.

In this episode of The Urbanist’s Lens, hosts Drew and Andrea dive into a question that’s often taken for granted: Does better street lighting actually make cities safer? They explore the complex relationship between urban lighting, crime rates, and perceptions of safety, going beyond the simple idea that brighter streets automatically mean safer communities.

Drawing from key studies like Chalfin et al.'s randomized street lighting experiment in New York and Atkins’ research on crime and fear reduction in the UK, they examine the evidence supporting—and sometimes challenging—the link between illumination and public safety. The hosts discuss how lighting not only impacts crime prevention but also shapes how people feel about their neighborhoods, influencing walkability, social interaction, and even economic activity.

Drew and Andrea also explore design strategies that complement lighting in creating safer urban spaces. They break down principles like Crime Prevention Through Environmental Design (CPTED), natural surveillance, and how active streetscapes can foster both real and perceived safety. Plus, they tackle the less obvious downsides—like over-illumination, light pollution, and the unintended social consequences that certain lighting choices can bring.

References:

1. Atkins, S., Husain, S., & Storey, A. (1991).The Influence of Street Lighting on Crime and Fear of Crime. Crime Prevention Unit Paper No. 28. London: Home Office.2. Chalfin, A., Hansen, B., Lerner, J., & Parker, L. (2019).Reducing Crime Through Environmental Design: Evidence from a Randomized Experiment of Street Lighting in New York City. National Bureau of Economic Research. https://doi.org/10.3386/w25798

3. Sampson, R. J., & Raudenbush, S. W. (1999).Systematic Social Observation of Public Spaces: A New Look at Disorder in Urban Neighborhoods. American Journal of Sociology, 105(3), 603-651. https://doi.org/10.1086/210356

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The Urbanist’s Lens is written and produced by Andro Madrogaba

In this episode of The Urbanist’s Lens, hosts Drew and Andrea dig into the world of seed bombing—an unconventional yet powerful method of greening our cities. They trace the origins of this practice from ancient agricultural techniques in Egypt and Japan to its modern revival as a tool for guerrilla gardening and urban activism. Highlighting stories from iconic movements like New York’s Green Guerillas, they explore how seed bombing became a grassroots response to reclaim neglected urban spaces.

Drew and Andrea also break down how seed bombing can contribute to urban biodiversity, beautify barren lots, and engage communities in hands-on environmental efforts. But it’s not all sunshine and wildflowers—they dive into the challenges too, from the risk of introducing invasive species to the legal and ethical dilemmas that come with planting on private or public land without permission.

The hosts share tips on how to practice seed bombing responsibly, emphasizing the importance of native plants, environmental assessment, and community collaboration. Whether you’re an urban gardener, a sustainability advocate, or just curious about how simple acts can transform our cities, this episode sheds light on how a handful of seeds can spark real change.

References and Resources:

• Christy, L. (1974). Garden on the Bowery Is a Real Tonic. New York Daily News.

• Donloggins. (n.d.). Liz Christy Community Garden. Community of Gardens. Retrieved from https://communityofgardens.si.edu/items/show/12292

• Green Guerillas. (n.d.). History. Retrieved from https://www.greenguerillas.org/history

• Reynolds, R. (2008). On Guerrilla Gardening: A Handbook for Gardening Without Boundaries. Bloomsbury.

• Seedballs Kenya. (n.d.). Throw and Grow. Retrieved from https://www.seedballskenya.com/

• Shado Magazine. (2021, July 22). Guerrilla Gardening: Taking Back the City One Seed Bomb at a Time. Retrieved from https://shado-mag.com/do/guerrilla-gardening-taking-back-the-city-one-seed-bomb-at-a-time/

• The Green Guerillas, New York City. (n.d.). In Biodiversity Crisis Curriculum Collection. American Museum of Natural History. Retrieved from https://www.amnh.org/learn-teach/curriculum-collections/biodiversity-crisis/the-green-guerillas

• von Hassell, M. (2002). The Struggle for Eden: Community Gardens in New York City. Bergin & Garvey.

The Urbanist’s Lens is written and produced by Andro Madrogaba

In this episode of The Urbanist’s Lens, hosts Drew and Andrea dive into the concept of urban legibility and why it plays a crucial role in how we navigate and experience cities. They break down the five key elements of legibility—paths, edges, districts, nodes, and landmarks—first introduced by Kevin Lynch in The Image of the City. Through engaging discussions and real-world examples from cities like New York, London, and Paris, Drew and Andrea explore how thoughtful design choices help people form mental maps, making urban spaces more intuitive and accessible.

They also discuss practical strategies urban planners use to enhance legibility, such as wayfinding systems, iconic landmarks, and distinctive neighborhoods that give cities their unique character. Whether you're a city dweller, an urban planning enthusiast, or simply curious about how design influences your daily movement through urban spaces, this episode offers fresh insights into creating cities that are easier to understand and navigate.

References and Resources:

• Askarizad, R., & He, J. (2022). Perception of spatial legibility and its association with human mobility patterns: An empirical assessment of the historical districts in Rasht, Iran. International Journal of Environmental Research and Public Health, 19(22), 15258. https://doi.org/10.3390/ijerph192215258

• Carmona, M. (2009). Legibility and aesthetics in urban design. Journal of Urban Design, 14(2), 189–202. https://doi.org/10.1080/13574800802670929

• Lynch, K. (1960). The image of the city. MIT Press.

• Tawfik, M. A., & El-Gamily, A. M. (2017). The legibility and permeability of cities: Examining the role of spatial data in urban analysis. ISPRS International Journal of Geo-Information, 6(4), 101. https://doi.org/10.3390/ijgi6040101

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The Urbanist’s Lens is written and produced by Andro Madrogaba