Hostile Architecture

Spikes on building designed to prevent people from sitting.

One Year Into Brazil’s ‘Hostile Architecture’ Ban

A recent law prohibits ‘defensive’ architecture designed to keep people away from buildings or public spaces.

December 31, 2024 - Next City

Anti homeless bench

Op-Ed: Public Seating Is for Everyone

Seating in the public realm often isn’t designed to accommodate varied body types, ages, and abilities.

April 9, 2024 - Next City

Bus bench with "armrests" to prevent lying down

What Is Defensive Urbanism?

If you’ve ever noticed a public bench split in half by a metal bar, or a series of seemingly ornamental boulders blocking the sidewalk under a high-rise overhang, you’ve seen what is often described as defensive urbanism or ‘hostile architecture.’

December 12, 2022 - Diana Ionescu

Powell's Bookstore

How Bike Racks Are Weaponized To Displace Unhoused People

In Portland, a set of mysteriously installed bike racks is prompting questions about their true purpose.

June 7, 2022 - The Portland Mercury

Anti homeless bench

Philadelphia Park Designed for, not Against, People Experiencing Homelessness

In an effort to make public spaces more inclusive, a new pocket park in the Callowhill neighborhood will seek input from people experiencing homelessness on how to make the space more welcoming and functional.

March 22, 2021 - The Philadelphia Inquirer

Urban Design for Planners 1: Software Tools

This six-course series explores essential urban design concepts using open source software and equips planners with the tools they need to participate fully in the urban design process.

Planning for Universal Design

Learn the tools for implementing Universal Design in planning regulations.

Senior Manager Operations, Urban Planning

New York City School Construction Authority

Building Inspector

Village of Glen Ellyn

Manager of Model Development

Central Transportation Planning Staff/Boston Region MPO

Top Books

An annual review of books related to planning.

Top Schools

The definitive ranking of graduate planning programs.

100 Most Influential Urbanists

The who's who of urbanism, according to Planetizen readers.

Urban Planning Creators You Should Know

A short list of voices on social, video, and podcasting platforms.