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.
Madrid Uses Transit System for Parcel Delivery to Cut Emissions
A new pilot program uses trains to deliver packages at off-peak hours, lowering emissions from trucks.
Commercial Buildings, Parking Lots Offer Significant Potential for Solar Energy
Massive swaths of flat rooftops, garages, and surface parking lots go underutilized. They could be producing renewable energy.
Can Zoning Reform Save Pittsburgh’s Affordable Housing?
With home sale prices growing faster than anywhere in the country, the Steel City could enact major reforms to boost density and lower housing costs.
Thousands of Affordable Housing Units Planned Near New Haven Train Station
The proposal could breathe new life into a long-neglected area near a heavily trafficked Amtrak station.
Judge Sides With Oil Companies Over LA Drilling Ban
The decision invalidates a law that would have eliminated oil drilling in the city over the next 20 years. A proposed state law could still let cities regulate extraction.