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.

Passive Building Incentives Spur New Housing in Massachusetts
Two grant programs aimed at supporting highly efficient, affordable housing developments are yielding promising results.

Road Usage Charges Face Staunch Opposition
The resistance to a proposed mileage-based tax in San Diego County highlights the challenges of passing road usage fees.

NHTSA Could Expand Safety Requirements to Include Pedestrians
In a radical shift from prior policy that singled out passenger safety, new cars could be required to include more features that protect people outside the vehicle.

How Zoning Reform Could Ease Montana's Housing Crunch
A new report recommends increased production of 'missing middle housing' in Montana, which, like other Western states, is experiencing rapid growth and an increasingly tight housing market.

EPA Moves To Tighten Regulations on Emissions
Many environmental groups argue the EPA's proposed plan, which is less stringent than California's regulations, doesn't go far enough to support electrification and reduce GHG emissions.