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.
Auto Insurance Rates Spike Due to Extreme Weather
Car insurance costs around the country are going up as insurers receive more claims from areas struck by storms and other climate disasters.
Interactive Map Highlights Freeway-Related Displacement in Houston
A new map illustrates the neighborhoods and buildings that were razed to make way for freeways and estimates the number of people displaced by roadways.
Reducing Driving Speeds Requires More Than Lowering Posted Speed Limits
Without additional changes to roadway design, lower speed limits only slightly reduce driving speeds.
Quantifying How Urban Trees Cool Cities
A new tool can help cities understand the benefits of tree planting efforts at the municipal scale.
San Francisco Takes Steps to Electrify Bay Ferries
In addition to electrifying the fleet, San Francisco Bay Ferry and the Port of San Francisco are building new facilities to connect more communities to the ferry system.