Habitats

Salton Sea

California's Plan to Save the Salton Sea

The Salton Sea is drying up, and California is poised to spend $383 million to keep that from happening. At stake are Colorado River water negotiations between California, Arizona, and Nevada.

March 20, 2017 - The Desert Sun

Seattle's 'Subirdia' Allows Birds to Thrive

According to a book by John Marzluff, "Welcome to Subirdia: Sharing Our Neighborhoods with Wrens, Robins, Woodpeckers, and Other Wildlife," Seattle's greatest diversity of birds lives in its suburbs.

October 28, 2014 - The Seattle Times

Animal Overpasses

Highways can be deadly for animals, especially when they cut directly through habitats. A recently completed design competition sought ideas for creating animal-safe bridges over highways.

December 16, 2010 - The Wall Street Journal

Urban Sprawl and Development Threatening Biodiversity in Animals

Habitat fragmentation linked with urban sprawl and development has been shown to negatively impact biological diversity in animals, according to new research.

September 27, 2010 - San Diego Union Tribune

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.