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.

Maps for Proposed San Francisco Bay Tunnel Revealed
Planners presented two options for new tunnels that would help connect more parts of the Northern California megaregion to San Francisco and Oakland.

How the Yellowstone Floods Laid Bare a Housing Crisis
This year’s historic floods ravaged communities already roiled by spiking housing costs and a shortage of available workforce housing near the nation’s oldest national park.

Where Housing Costs Are Falling Fastest
Although median home prices remain close to record highs in many cities, some of the country’s priciest metro areas are seeing home prices plummet.

Will Autonomous Cars Live Up to Their Potential?
A new report details the promise and perils of the growing autonomous vehicle industry.

A Who’s Who of Bay Area Real Estate
An analysis from the San Francisco Chronicle identifies twelve of the biggest and most influential owners of rental properties in the San Francisco Bay Area.