Snowmelt

Devil's Castle and Cecret Lake at Wasatch Range in Utah.

‘Snow-eater’ heat waves are increasing in frequency, study finds

During intense spring heatwaves, snow melts nearly twice as fast as usual and can overwhelm city reservoirs.

August 21, 2026 - Tahoe Daily Tribune

California Water

Los Angeles (and Climate Change) Seriously Threaten Air Quality at Mono Lake

With water levels habitually low, officials from the Eastern Sierra say they are "headed for a showdown” with L.A.

July 23, 2018 - Los Angeles Times

Sierra Nevada Melted

Sierra Nevada Snowpack at 500-Year Low

Unusually scarce precipitation last winter has left little snow on the mountains, endangering a key California water reserve.

October 3, 2015 - KPCC

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.