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.

Jarrett Walker on Flying Cars
Walker contemplates the implications of the science fiction staple that continues to fascinate and engage writers and technologists.

Updated: Strong Towns: Bipartisan Infrastructure Bill Would 'Make our Infrastructure Crisis Worse'
To some, the agreement promises too much funding for traditional infrastructure programs rather than 'adaptations and innovations.'

Surfside Collapse Highlights Florida's 'Unique Vulnerabilities'
A coastal geologist urges state leaders and residents to start planning for 'managed retreat' away from the coastal communities most vulnerable to sea level rise.

Well Funded Transportation Networks Promote Economic Development
Traditional strategies seek to attract major employers but often neglect the transportation networks that make commuting possible and convenient for more workers.

Assessing Biden's '30 by 30' Conservation Plan
The president's ambitious commitment to protect 30% of U.S. land and water by 2030 might be too broad in attempting to satisfy all land users.