Diana is a writer and urbanist passionate about public space, historical memory, and transportation equity. Prior to joining Planetizen, she started and managed a farmers' market and worked as a transportation planner in the bike share industry. She is Planetizen's editor as of January 2022.

Washington’s Proposed Housing Bills, Explained
The 2023 Washington state legislature will evaluate a slew of proposals aimed at increasing housing supply and affordability.

California’s Reservoirs are Filling Up, but For How Long?
Recent storms are bringing plenty of water to parched parts of California, but scientists warn the relief won’t be a long-term solution to longer, drier periods.

What Draws Conspiracy Theorists to Traffic Calming Plans?
Proposals for road diets, ‘15-minute cities,’ and other traffic reduction programs often meet with unfounded conspiracy theories claiming that the plans are nothing short of steps to world domination.
Multimodal Improvements Coming to Houston
The city is continuing its investment in safety and accessibility improvements for transit riders, pedestrians, and cyclists.

The Missing 13th Floor: How Ancient Fears Influence Modern Architecture
If you’ve ever looked closely at the elevator panel of a high-rise hotel or residential building, you’ve likely noticed something missing: a button for the 13th floor.