Emissions

Smoke billows out of a power plant.

25 states, cities sue the EPA over erased power plant emissions limits

The coalition also intends to sue the EPA for not regulating emissions from gas-fired power plants.

October 6, 2026 - Smart Cities Dive

Door of government building with gold Environmental Protection Agency title.

EPA Plans “Largest Deregulatory Action” in History

The agency plans to repeal a key 2009 rule that underpins the government’s authority to regulate greenhouse gas emissions.

August 3, 2025 - The New York Times

Aerial view of large warehouses across from development of suburban single-family homes in Jurupa, California with desert mountains in background.

New California Law Regulates Warehouse Pollution

A new law tightens building and emissions regulations for large distribution warehouses to mitigate air pollution and traffic in surrounding communities.

April 17, 2025 - Black Voice News

View of Los Angeles skyline at sunrise with yellow and green trees in foreground

LA’s Trees Absorb More Carbon Than Expected, But Can’t Do It Alone

A USC study finds that Los Angeles’ urban trees absorb more carbon than expected, but while they provide crucial environmental benefits, they cannot replace the urgent need for systemic emissions reductions.

February 28, 2025 - Phys.org

Aerial view of oil fields in Kern County, California.

California County Approves Underground Carbon Storage Project

Kern County supervisors voted to support a carbon storage project that will inject climate-warming gases into a former oil and gas field.

October 27, 2024 - CALmatters

Marathon branded gas station with red, blue, and white color scheme in Providence, Rhode Islad.

Providence Could Ban New Gas Stations

The city could prohibit the construction of new fueling stations within city limits to discourage driving and pave the way for more renewable transportation infrastructure.

October 16, 2024 - The Washington Times

Apartment buildings under construction with crane.

Study: Retrofitting Old Buildings Has Lower Total Carbon Footprint Than New Construction

A study of over a million Chicago buildings assessed their ‘embodied carbon’ footprint over their lifetimes, showing that demolishing an old building in favor of a new one almost always produced more emissions.

September 12, 2024 - Smart Cities Dive

Close-up of fleet modern electric EV delivery vans being charged in covered parking garage.

USDOT Unveils Strategies to Achieve Near-Zero Transportation Emissions

Three key strategies — reducing travel distances, increasing energy-efficient travel modes, and transitioning to zero-emission vehicles and fuels — are recommended to meet national climate goals under the Paris Agreement.

July 15, 2024 - Smart Cities Dive

Aerial view of traffic on road and buildings in the Bronx, New York City

Critics Say New York Highway Expansion Plans Oppose Climate Goals

Plans to widen some roads are drawing backlash from transit advocates who say they will lead to an increase in congestion and truck traffic.

May 15, 2024 - New York Daily News

View of New York City alleyway with outdoor restaurant seating and people walking between brick apartment buildings with fire escapes

Opinion: Why Environmentalists Should Support NYC ‘City of Yes’ Zoning Reform

The housing-oriented component of Mayor Eric Adams’ City of Yes proposal could serve the double purpose of making housing more affordable and reducing GHG emissions and car dependency.

April 30, 2024 - New York League of Conservation Voters

View of cars stuck in gridlocked traffic with traffic lights in background

Judge Declares Federal Emissions Rule ‘Arbitrary and Capricious’

Another judge already vacated the rule nationwide before the latest case was decided.

April 8, 2024 - Reuters

Street Traffic in Manhattan

New York Congestion Pricing Approved by MTA Board

The program took another step forward as the board approved a proposed pricing scheme, but lawsuits still stand in the way of full implementation.

March 28, 2024 - Smart Cities Dive

Google street view of brick three-story public housing buildings in Dorchester, MA.

Geothermal Network Project To Benefit Boston Public Housing

A pilot program seeks to be a model for electrifying groups of buildings or entire neighborhoods.

February 13, 2024 - Utility Dive

San Francisco, California

Climate Change Concerns Rising Among Americans

More Americans than ever agree climate change is happening—but fewer agree on what to do about it.

January 30, 2024 - NBC News

Photovoltainc solar panels in green grass field.

The Climate Outlook for 2024

This year could mark a turning point for climate policy and energy systems.

January 18, 2024 - Yale Climate Connections

View from rear of yellow delivery van on city street.

How Cities Are Tackling Delivery Emissions

As the popularity of delivery services grows, regulation and tech can address pollution challenges and limit congestion.

January 17, 2024 - Smart Cities Dive

Aerial view of industrial plant with large smokestacks, surrounded by smoke with sunset sky in background.

COP28: Will Developed Nations Reduce Emissions?

Tensions between developed and developing nations surfaced over emissions and energy, with the former focused on reducing fossil fuels and the latter pointing to unrealized emissions reductions from the nations most responsible for global warming.

December 6, 2023 - The Wall Street Journal

Pair of hands holding compost above pile of soil and food scraps.

EPA Awards $4 Million for Baltimore Composting Facility

The city wants to build the nation’s largest composting facility as part of its ‘zero waste’ efforts.

September 24, 2023 - Baltimore Sun

San Diego Waterfront

Opinion: To Meet Climate Goals, San Diego Must Improve Bike Infrastructure

The city wants to drastically reduce carbon emissions, but bike advocates argue it has not done enough to make biking and walking in the city safer and more convenient.

January 3, 2023 - San Diego Magazine

Wall of computer servers with blue and yellow cables for cryptocurrency mining

New York Temporarily Bans Crypto-Mining

Could New York State’s ban on the energy-intensive activity foreshadow similar actions in other parts of the country?

December 2, 2022 - Curbed

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.