Clean Air Act

The Far-Reaching Consequences of Remaking the Mercury Emissions Rule

The EPA intends to review the rulemaking process behind the mercury rule, the subject of a landmark Supreme Court ruling in 2015, to place more value on a rule's compliance cost to industry and less to its beneficial impact on human health.

September 9, 2018 - The New York Times

Coal Ash Waste

Making Older Coal Power Plants More Efficient Without Making Them Cleaner

At the center of the EPA's newly proposed Affordable Clean Energy rule is doing away with a permitting process known as New Source Review that requires coal power plants to add scrubbers and other expensive pollution control equipment when upgraded.

August 27, 2018 - The New York Times

Trump Administration Proposes to Freeze Fuel Economy Standards at 2020 Level

On Thursday, the U.S. DOT and U.S. EPA announced one of the Trump administration's most consequential rollbacks of environmental and efficiency regulations that will have a detrimental effect on climate change, air pollution, and oil consumption.

August 5, 2018 - The Washington Post

Pumping Gas

Another Major Climate Win for Big Oil in Federal Court

A New York federal district court rules on a climate change lawsuit like its West Coast counterpart did last month: Don't hold oil companies accountable for climate change and sea level rise. Baltimore and Rhode Island file climate change lawsuits.

July 25, 2018 - Inside Climate News

Twin Peaks Drive

Breaking: Trump Administration Will Revoke California's Auto Emissions Authority

Sources leaked news of the Trump Administration's plans to dismantle the Obama-era environmental policies. The Trump Administration also aims to dismantle the Golden State's ability to regulate air pollution from vehicles.

July 23, 2018 - Bloomberg

Los Angeles Harbor Freeway

California Has 8 of the 10 Most Polluted Cities in the U.S.

Despite ever-stricter air-quality regulations and dropping emissions, the American Lung Association once again finds the state to have some of the worst air in the nation.

April 24, 2018 - USA Today

Rural Traffic

Rollback of Fuel Efficiency Standards Announced by EPA

EPA Administrator Scott Pruitt announced Monday that his agency is siding with auto manufacturers and relaxing greenhouse gas emission standards for new cars and light trucks.

April 3, 2018 - Bloomberg Politics

EPA Loses Court Ruling After Failing to Identify Smog Nonattainment Regions

As a result of a federal court ruling on March 12, the Environmental Protection Administration will be compelled to do what it should have done by October 1: Identify regions of the country where the air quality violates smog standards.

March 18, 2018 - CALmatters

Race Map

Pollution Does Discriminate in Orlando’s Parramore Neighborhood

Poor air quality has decimated the health of residents in this predominantly black community ringed by highways.

January 31, 2018 - Huffington Post

Carpool Lane Sticker

Vehicle Emission Standards Showdown Looming Between California and U.S. EPA

A legal battle is looming between the nation's two most powerful environmental regulators after the California Air Resources Board on Friday defied President Trump by approving vehicle fuel efficiency standards that Trump has promised to ease.

March 27, 2017 - The New York Times

EPA Nominee Scott Pruitt Could Weaken California's Efforts to Fight Climate Change

Oklahoma Attorney General Scott Pruitt suggested that as administrator of the Environmental Protection Agency he might not allow California to set its own stricter motor vehicle emissions standards.

January 24, 2017 - Los Angeles Times

Tailpipe

New Player in Dieselgate

Similar violation but new player—Fiat Chrysler, accused by U.S. EPA of willfully violating emissions standards for certain models of diesel Jeeps and Ram pickups. The charge comes a day after DOJ settled civil and criminal suits with Volkswagen.

January 13, 2017 - The New York Times

North Pole, Alaska

The Surprising Region with the Nation's Worst Particulate Air Pollution

It's not Southern California, with its ports and congested freeways, California's Central Valley, with its bowl-like topography, Houston, with its oil refineries, or the midwest, with its coal power plants. Hint: think Santa Claus.

December 27, 2016 - The New York Times

EPA Rejects Southern California Plan to Reduce Fine Particulate Pollution

The South Coast Air Quality Management District is in the news again, this time for going too easy on the region's big polluters—just what staff had warned would happen before the board fired its well-respected executive director.

March 22, 2016 - Los Angeles Times

Environmental Protection Agency Under Fire From All Sides

Expect EPA to be radically downsized and stripped of much of its authority should a Republican become the next president. Democrats haven't stepped up to their defense as one might expect after the mishandling of the Flint water crisis.

March 21, 2016 - The New York Times

United States from Space

Mapping the Trends in Pollution

Good news for the United States is found in a recent series of maps by NASA. Air pollution has significantly improved around the country.

February 6, 2016 - The Washington Post

London Air Pollution

Does a Surprising Rise in Pollution Mean a Return of London's Pea-Soup Fog?

London Mayor Boris Johnson has tabled strict air-pollution controls until 2020 despite evidence of increasing pollution levels in the city's center.

November 10, 2015 - The New York Times

Power Plant

25 Coal Power Plants to Shutter in Michigan in Five Years

Credit EPA emission regulations for the decisions by utilities to close the aging plants. Michigan receives half its power from coal—the most polluting fossil fuel. The new Clean Power Plan rule will cause more remaining plants to close in time.

October 15, 2015 - Power Engineering

EPA's New Ozone Standard Pleases No One

The EPA chose to reduce the current standard of 75 parts per billion, unchanged since 2008, by 5 ppb. Public health and environmental groups insist that a safe standard would be 60 ppb, while businesses point to the high costs to comply with 70 ppb.

October 2, 2015 - The Wall Street Journal

San Antonio Ramps Up Air Quality Efforts After Poor Showing

San Antonio's soon-to-be-adopted air quality plan will focus on transportation to reduce the city's air pollution.

July 25, 2015 - San Antonio Express-News

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

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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.