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.

The Evolution of Retail Centers
Catalytic developments initiate economic and cultural improvements.

Another Step Forward for NYC Congestion Pricing
A federal Finding of No Significant Impact moves the program closer to implementation, which could happen as early as May 2024.

Wildfire Smoke Takes Toll on Bike Commuters
How can people on bikes protect their lungs from the harmful effects of wildfire smoke?

The Mansfield Bar: How a Celebrity Death Changed Auto Safety
The shocking death of actress Jayne Mansfield 56 years ago today led to changes in the trucking industry, but underride crashes continue to kill hundreds of people each year.

Dissecting the Latest State of the Nation’s Housing Report
The annual report from the Joint Center for Housing Studies highlights a growing rent burden for low- and middle-income families.