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.

Why the City Can’t 'Just Put a Trader Joe’s There'
The flawed logic behind an all-too-common planning misconception.

Tampa Streetcar: From Tourist Trap to Transit Lifeline
Despite the line’s reliability and success, funding for its future expansion and operations remains undetermined.

How Office Conversions Could Benefit San Francisco
The city could emulate Calgary, New York, and other cities in supporting office conversions as a way to boost floundering downtown economies and provide much-needed additional housing.

Wildfires Second-Largest Source of Emissions in California
New research quantifies the impact of wildfires on California’s air quality, indicating that bigger and more frequent fires contribute significantly to greenhouse gas emissions.

Friday Funny: Crossing the Street? Good Luck!
The Onion says the quiet part out loud to illustrate the real philosophy behind many road safety strategies.