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.

New California Law Regulates Warehouse Pollution
A new law tightens building and emissions regulations for large distribution warehouses to mitigate air pollution and traffic in surrounding communities.

Phoenix Announces Opening Date for Light Rail Extension
The South Central extension will connect South Phoenix to downtown and other major hubs starting on June 7.

How Housing as a Financial Product Harms Communities
Institutional buyers who treat housing as an investment product become disconnected from the impacts of higher rents, displacement, and housing instability.

Blinded by the Light: When Brighter Headlights Decrease Safety
Bright LED headlights can create glare and reduce visibility for other drivers and pedestrians.

Study Links Covid and Poor Driving
The effects of the virus, including ‘brain fog,’ can make driving more difficult and dangerous.