Air Pollution

London Truck

London Plan Takes a Bold Stand Against Parking

The new 25-tear London Plan would ban the construction of parking in large swatches of the city. It's just one component of an ambitious policy agenda presented by London Mayor Sadiq Khan this week.

December 1, 2017 - BBC

Carpool Lane Sticker

Southern California Air Quality Paradox: Air Quality Worsens While Emissions Drop

Ozone pollution is worsening in five counties in Southern California, and the Air Quality Management District doesn't know why.

November 30, 2017 - Los Angeles Times

Smog So Bad United Airlines Won't Fly There

It's not the poor visibility but the air quality, ten times worse than Beijing, that has caused the airline to stop flying to New Delhi.

November 15, 2017 - The Washington Post

Tianjin, China

Urban Planning Helps to Control Air Quality for Chinese Cities

Yuan Man guest blogs about a recent article in the Journal of Planning Education and Research.

November 9, 2017 - JPER

Wood Fire Smoke

California to Implement Wood Smoke Reduction Program

The program is voluntary, providing incentives to replace older, uncertified wood stoves for cleaner replacements or alternatives. In addition to decreasing air pollution, it reduces emissions of a "super climate pollutant," black carbon.

October 21, 2017 - California State Senate

Trees and People

Putting a Dollar Value on Urban Trees

According to this study, existing "leafy infrastructure" in ten of the world's largest cities confers an estimated $505 million in benefits. Planting more could magnify the effect.

September 13, 2017 - CityLab

Vancouver

Building Along Busy Corridors? Public Health Experts Urge Caution

Plans to densify a busy Vancouver corridor have prompted concern among public health experts.

September 12, 2017 - Canadian Broadcasting Corporation (CBC)

San Francisco Construction

Connecting the Dots Between Air Pollution and Congestion

Some of the San Francisco neighborhoods with the worst air quality are also the San Francisco neighborhoods with the most development.

September 6, 2017 - San Francisco Chronicle

Coal Mining

Study on Health Effects of Strip Mining Stopped by Trump Administration

The mining industry felt some of the National Academies of Sciences' studies were biased against them, and its studies were unfair in the way they documented the health problems among workers.

August 27, 2017 - Courier-Journal

Silicon Valley

Clean Energy's Impact on Public Health

Because of the coal power it displaces, solar and wind energy generated in the Mid-Atlantic, and Upper Midwest has an outsized impact.

August 21, 2017 - Vox

Texas Oil Industry

Lax Regulation of Texas Air Polluters

Regular "emissions events" at Texas heavy industrial facilities cause a lot of unauthorized pollution. But few consequences mean the companies responsible don't have to crack down.

August 17, 2017 - The Texas Tribune

Land Use and Zoning

A Logistics Warehouse Near an Elementary School Raises Questions

Some are worried about the truck traffic and air pollution likely to follow after a logistics warehouse gets built within visual distance of a San Bernardino school.

August 2, 2017 - SCPR

Tailpipe

Another Nail in the Coffin of the Internal Combustion Engine?

Is the movement away from gasoline and diesel-powered cars unstoppable? In response to air pollution litigation, the British government announced on July 26 that sales of gasoline and diesel vehicles would be banned by 2040.

July 31, 2017 - The New York Times

Zero Emissions Bus

Los Angeles Metro to Go Fully Electric by 2030

The move is risky. The agency has no electric buses now, and the last ones it operated performed so badly they had to be returned. The plan is to make the transition in phases, and hope that battery technology improves.

June 20, 2017 - KPCC

Tailpipe

Inadequate Diesel Vehicle Testing Results in 38,000 Global Fatalities Annually

While the study stems from research that found Volkswagen diesel cars had used 'defeat devices' to pass emissions tests, the new study points to inadequacies in the tests themselves, resulting in 50 percent higher pollution than testing permits.

May 17, 2017 - The International Council on Clean Transportation

New York City

Big, Expensive Idea: Bury Six Miles of Expressway Under Brooklyn

The Gowanus Expressway is a big polluter and a traffic nightmare. Some see putting the road underground as a solution.

May 17, 2017 - Crain's New York Business

Presidio Park

The Environmental Trade-Off for Raising California's Fuel Taxes

Come November 1, gasoline and diesel taxes will increase by 12 and 20 cents per gallon, respectively, in California, providing badly needed revenue to repair roads, bridges, and improve transit, but truck pollution loophole will still foul the air.

April 27, 2017 - The Press-Enterprise

Air Quality and Environmental Justice Lead to Push for Zero-Emission Locomotives

The California Air Resources Board has petitioned the U.S. EPA to adopt more stringent emissions standards for locomotives in order to improve air quality at rail yards, many of which are located adjacent to disadvantaged communities.

April 23, 2017 - RailwayAge

Speed hump

City Councils Considering Removing Speed Bumps to Reduce Air Pollution Should Slow Down

According to a report in The Telegraph, some U.K. cities want to use air pollution as a reason to remove speed bumps, Peter Walker argues this idea is ludicrous.

April 13, 2017 - The Guardian

110 Freeway

In Building Homes Near Highways, L.A. Ignores a Public Health Issue

Los Angeles seems primed for a development boom, but when developments are built near highways there can be serious health consequences.

March 6, 2017 - Los Angeles Times

Top Books

An annual review of books related to planning.

Top Websites

The best of the Internet—since 2002.

Top Apps

Planning apps for a brave new world.

Top Schools

The definitive ranking of graduate planning programs.

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.