Carbon Emissions

Electric Car Charging Station

U.S. Automakers Have Been Undermining Climate Science Since the 1960s, Investigation Reveals

It's been 50 years since researchers at General Motors and Ford Motor Co. warned the automakers about the effects of auto emissions on the planet's climate.

October 29, 2020 - E&E News

Carbon Tax

Reducing Emissions From Transportation Would Produce Huge Health Benefits, Study Says

New research suggests that cutting greenhouse gas emissions from the transportation sector would have tremendous benefits to public health.

October 7, 2020 - Harvard T.H. Chan School of Public Health

Air Pollution

Report Quantifies the Effects of Trump's Environmental Policy Changes

With the signs of climate change all around, the effects of the Trump administration's environmental regulation rollbacks look increasingly dire.

September 23, 2020 - The New York Times

South Beach Open Streets

The Cost of COVID Carbon Reduction: $3,200-$5,400 a Ton

The short-term environmental effects of the pandemic economic downturn are clear in the amount of carbon emissions that have been removed from the economy. The long-term effects, however, are subject to a number of contingencies.

August 10, 2020 - Taking Stock 2020: The COVID-19 Edition

United States map

One U.S. State Boasts 33% Fewer Carbon Emissions Per Capita Than Any Other

California, the largest state by population in the United States, is responsible for 33% fewer carbon emissions per capita than any other state, according to a new study published in the Proceedings of the National Academy of Sciences.

August 3, 2020 - The Mercury News

Mountlake Terrace, Washington

House Committee Calls for Stronger Federal Role in Planning to Deal With Climate Change

The new "Solving the Climate Crisis" report could provide guidance and direction if federal leadership in Washington, D.C. finally decides to take aggressive steps to reduce carbon emissions and adapt to a changed climate.

July 9, 2020 - American Planning Association

Global warming and pollution

The Post-Pandemic Economy Could Be Dirtier Than Ever

The environmental gains at the beginning of the pandemic were only temporary., and there are signs more signs every day that the economy will be dirtier than ever in the future.

July 8, 2020 - National Geographic

Vinings, Cobb County

Stacey Abrams Leads New Effort to Mobilize Climate Action in the U.S. South

The South has some catching up to do on implementing plans to curb carbon emissions and prepare for climate change, but the region, collectively, has a lot of reasons to do so.

June 29, 2020 - The Washington Post

Pick-Up Truck

Exhaust-Free City Centers by 2030!

It’s time to harness technology for cleaner, healthier, and safer cities.

June 28, 2020 - CNU Public Square

Social Distancing

Greenhouse Gas Emissions Reduced 17% Worldwide in April, Study Says

A recently published study predicts a 4 to 7 percent decline in greenhouse gas emissions for 2020 compared to 2019.

May 20, 2020 - The Washington Post

Factory Emissions

Carbon Emissions Down, but Not Drastically

Transportation activity is down considerably, but other sources of carbon dioxide are still going strong.

May 12, 2020 - Grist

Air Travel

For Coronavirus Aid, Air France Must Stop Competing With Rail

France is proposing a momentous step toward clean transportation.

May 6, 2020 - International Railway Journal

Olympia, Washington

Questioning Washington State's Commitment to Greenhouse Gas Reductions

Lawmakers in Washington state fell short of passing comprehensive legislation this year to meet long-term goals of reducing greenhouse gas emissions.

April 13, 2020 - Crosscut

Electric Vehicle Charging

Electric Vehicles Quickly Improving Climate Impact

Electric vehicles and internal combustion automobiles emit vastly different sums of carbon, and electric vehicles are quickly widening the gap between the two options as the electricity generation industry cleans up its act.

March 2, 2020 - Union Of Concerned Scientists

London Ride Hailing

Ride-Hailing Companies Greatly Increase Pollution, Study Says

The reality of ride hailing has fallen well short of the wishful thinking about reduced congestion and reduced pollution that defined the early days of Uber and Lyft.

February 26, 2020 - The Verge

New York Bike Delivery

Report: Last-Mile Deliveries to Increase 78% by 2030

A new report from the World Economic Forum predicts dire consequences for congestion and carbon emissions if e-commerce delivery services proliferate unchecked.

January 29, 2020 - Supply Chain DIve

Seattle Ferry

Washington Attempts to Adopt a Cleaner Cars and Clean Fuels Programs

A Pew Stateline article tackles the challenges of reducing carbon emissions from transportation compared to electricity generation and looks at recent initiatives announced by Washington Gov. Jay Inslee aimed at decarbonizing transportation.

January 21, 2020 - Pew Stateline

New mexico Power

Decline in Coal-Fired Power Reduces U.S. Carbon Emissions in 2019

The energy sector produced ten percent less carbon emissions in 2019 than the previous year—the largest drop in decades. Still, the decline of the coal industry is not enough to meet the goals of the Paris Climate Accord.

January 7, 2020 - Inside Climate News

Tiny House

Price Elasticity of Demand, Explained

Many transportation challenges could be solved by a more informed understanding of price elasticity of demand, according to this article.

December 17, 2019 - City Observatory

Philadelphia City Hall

Building Energy Efficiency Program Approved in Philadelphia

Philadelphia has renewed its efforts to improve energy efficiency in non-residential building to contribute to its Paris Climate Agreement commitment.

December 13, 2019 - Smart Cities Dive

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.

Professor of Urban Planning

Harvard University Graduate School of Design

Transportation Planner I

KFH Group Inc.

Director, Strategy and Research

Greater Baltimore Committee

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100 Most Influential Urbanists

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Urban Planning Creators You Should Know

A short list of voices on social, video, and podcasting platforms.