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.

Database Analyzes Global Transit Project Costs
Researchers are cataloging the costs of transit projects around the world in an attempt to identify ways to bring costs down and spend transit funding more efficiently.

Citi Bike Kills $3 Price Cap on Halloween Night
The company unexpectedly updated its e-bike pricing to eliminate a $3 cap on rides outside of Manhattan.

Why Cities Will Outlast the Pandemic Slump
A new report suggests that despite recent challenges, the ‘value proposition’ of urban activity centers remains as strong as ever.

How Buildings Can Lead the Way to a Decarbonized Future
A public utilities building in Santa Rosa shows how innovations in architecture and grid management can reduce energy use and prepare buildings for a more sustainable energy future.

Flagstaff Housing Needs Outstrip Supply
Data from Flagstaff shows a growing need for affordable rental housing and homeownership options, which the city’s ten-year housing plan is working to address.