Criteria Air Pollutants

Air Pollution from Natural Gas Industry in Pennsylvania on the Rise

With a 32 percent increase in natural gas drilling in the Marcellus Shale in Pennsylvania, it is no surprise that emissions are increasing as well, particularly sulfur dioxide. However, the increase was dwarfed by decreases from the power sector.

August 27, 2016 - The Allegheny Front

EPA's New Rules for Clean Cars and Gasoline

In EPA’s leadership blog, Administrator Gina McCarthy announces the agency's new standards to reduce the sulfur content in gasoline by 60% in 2017 and new Tier 3 emission standards for cars and light trucks to reduce criteria and toxic air pollutants

March 5, 2014 - EPA Connect

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.