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

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Top Books

An annual review of books related to planning.

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Planning apps for a brave new world.

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Urban Design for Planners 1: Software Tools

This six-course series explores essential urban design concepts using open source software and equips planners with the tools they need to participate fully in the urban design process.

Planning for Universal Design

Learn the tools for implementing Universal Design in planning regulations.