combined sewer overflows

Aerial view of Alexandria, Virginia from over Potomac River

Alexandria Is Close to Fixing Its Sewage Woes

After 16 months and $615 of tunneling, Alexandria, Virginia is nearly finished digging a 2.2-mile-long tunnel beneath the city and the Potomac River that will fix its sewage overflow problem.

August 29, 2024 - Inside Climate News

Two concrete pipes discharging dirty water into river.

Study: Combined Sewer Systems Face Increased Flood Risk

Cities like Philadelphia and Boston are at higher risk of sewage overflows due to their aging sewer systems and rising sea levels.

July 1, 2024 - Eurasia Review

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.