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.

Urban Trees Have Bigger Impact in Hot, Dry Cities
The cooling effect of robust urban tree canopies is more pronounced in hotter, drier cities like Phoenix and Las Vegas.

DC’s Traffic Cameras Are Working, but Not a Panacea
Automated enforcement is reducing speeding, but bigger changes to street design and the built environment are needed to make the District’s streets safer and more pleasant for people walking.

Will Hurricanes Drive Away Florida’s Retirees?
Some children of Florida retirees are urging their parents to leave hurricane-prone areas for safer regions.

Report: European Rivers Are in Trouble
Some of the continent’s most important rivers are suffering from overuse and pollution.

Opinion: Prioritize Amtrak, but Don’t Demonize Freight
A proposed bill would tighten enforcement of a 1973 law that gives passenger trains priority over freight shipments.