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.

Another Silicon Valley Town Tries To Sidestep State Density Law
Palo Alto could designate more than one hundred properties as historic in an attempt to prevent lot splitting permitted under a new state law designed to lightly increase residential density.

EV Charging Stations Gaining Ground
High gas prices are prompting more cities to invest in electric car charging infrastructure.

The Rise of the Megaregion
A new book outlines the benefits of public investment at the regional scale.

Booming Arizona Must Confront its Water Problem
Even as more people and companies flock to the state for its climate and economic opportunities, Arizona's water supplies are facing historic shortages.

Lawmakers Question ARPA Spending
Cities and states say the American Rescue Plan Act has been crucial to keeping the lights on during the pandemic, but some Republican lawmakers denounce spending on projects unrelated to COVID relief.