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.
Houston's Pedestrian Death Problem, Explained
The city's roadways were built to prioritize fast-moving traffic, not safety. With a new Vision Zero plan, that could change.
The Problem with Tree Planting Programs
Ambitious campaigns to plant trees in urban areas often don't take into account the complexities of growing and maintaining effective urban forests.
Lake Powell's Houseboat Launches Running Dry
Record low water levels are sinking Lake Powell's houseboat industry as climate change threatens water supplies in the West.
Mapping Informal Neighborhoods
New mapping tools are helping cities around the world map and understand their poorest communities.
What California Would Lose if the Infrastructure Plan Fails
The state is poised to gain nearly $1 billion from the federal plan for projects ranging from electric vehicle charging stations to bike lanes and zero-emission bus fleets.