greenhouse gas

Smoke billows out of a power plant.

25 states, cities sue the EPA over erased power plant emissions limits

The coalition also intends to sue the EPA for not regulating emissions from gas-fired power plants.

October 6, 2026 - Smart Cities Dive

Columbia River Gorge Fire

How the West Got Bigger, Badder Fires

Two new books chronicle the origin of U.S. policy on wildfire, the damage that policy has done, and why it’s unlikely to change any time soon.

January 4, 2018 - The New York Times

San Diego Rail

Why San Diego's Proposed Transportation Sales Tax Is Opposed by a Diverse Coalition

Many cities and counties across the state are proposing transportation sales tax increases, but only San Diego's is opposed by a diverse coalition of environmental and labor groups. Murtaza Baxamusa explains why.

October 25, 2016 - UrbDeZine

Even or Odd? Rome Restricts Car Use

With pollution levels becoming dangerous in Rome, Italy, the government is taking a hard line on driving. In late November, only cars with even-numbered license plates were allowed to drive in the city, with odd plates the next.

December 12, 2011 - TheCityFix.com

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.