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.

Coalition Keeps up the Fight Against Maryland Highway Project
Environmentalists and community groups are asking a federal judge to rule in their favor to require Maryland’s department of transportation to conduct a thorough environmental review before expanding Interstate 270.

Miami Ranked Least Affordable U.S. Housing Market
South Florida residents are spending as much as 79 percent of their income on housing.

Seniors Over 50 Make up Almost Half of California’s Unhoused Population
A new study finds that low-income seniors are increasingly unable to find affordable housing.

Lessons From People’s Park
The University of California, Berkeley faced bitter opposition to new student housing. What does this mean for universities—and for democracy?

Arizona ‘Car-Free’ Neighborhood Nears Opening
Culdesac Tempe bans personal cars in exchange for access to scooters, bike facilities, and free transit. Is that enough to reduce car ownership in auto-centric Arizona?