Aqueducts

Aerial of Central Arizona Project aqueduct full of dark turquoise water surrounded by Arizona desert.

Arizona Plans ‘Game-Changing’ Water System Overhaul

A planned interconnection facility will allow water to flow both ways between the Central Arizona Project and the Salt River Project.

November 10, 2025 - KTAR

Waban Arches

Trail Conversion Exposes Boston Area's Hidden Infrastructure

Where the Boston area's water supply once gushed, pedestrians and bikes will now flow thanks to a plan to repurpose the Massachusetts Water Resources Authority's aqueducts as public spaces.

July 16, 2013 - The Boston Globe

A Plan to Finally Fix California's Water Problems?

California's Governor Jerry Brown unveils his administration's new plan in hopes of finally balancing the state's competing water interests. The cost? $14 billion over a decade.

July 29, 2012 - The New York Times

FREE Course: Walkable City 1: Why Walkability?

After describing his path towards focusing on walkability as the essence of good planning, Jeff Speck marches through his five principal reasons for making more walkable places.

Reinventing Malls: Planning Alchemy—Turning Gray Fields Into Gold

The course focuses on the opportunities and imperatives that shape reinvention of mall sites.

Top Books

An annual review of books related to planning.

Top Schools

The definitive ranking of graduate planning programs.

100 Most Influential Urbanists

The who's who of urbanism, according to Planetizen readers.

Urban Planning Creators You Should Know

A short list of voices on social, video, and podcasting platforms.