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.

Why It's So Difficult to Measure Heat Deaths
Without a standard for recording and classifying heat-related deaths, experts believe the scale of the problem is much bigger than numbers let on.

NYC Expats Struggle With Their Decision to Leave
Strong place attachment makes it difficult for New Yorkers to settle into their new homes, but many are finding ways to recreate their favorite parts of the city elsewhere.

Cities in the South and West Keep Sprawling
New suburbs continue to expand into previously undeveloped areas, putting strain on local resources.

Looking Beyond the 'Sidewalk Ballet:' Jane Jacobs in the 21st Century
While The Death and Life of Great American Cities remains an urban planning classic, today's planners must contend with challenges that Jacobs couldn't have anticipated.

How Virginia Communities Are Encouraging 'Missing Middle Housing'
Local leaders hope that streamlining permit processes and eliminating restrictive zoning regulations will set the groundwork for increased production of small and mid-sized multi-family housing.