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.

Editorial: California’s Solar Potential Lies in Roadways, Parking Lots
Environmentalists are raising the alarm about massive solar farms in the unspoiled desert. Why not install more solar panels along state-owned highways and in parking lots instead?

New Federal Program To Support Services for Unhoused Residents
The ‘ALL INside’ initiative selected five cities and one state—California—for its inaugural efforts to offer assistance to homelessness services and help local agencies access federal funding and resources.

Lower Basin States Closer to Agreement on Colorado River
After a year of contentious negotiations, Western states dependent on the river’s water supply are nearing a deal that would reduce water use significantly over the next three years.

Houston Debates Shared Driveway Requirement
A proposed rule would require developers to build shared driveways for narrow lot projects.

FHWA Issues New Pedestrian, Bike, Micromobility Guidance
The updated federal guidelines incorporate new policies created in the 2021 infrastructure law.