Environment

Close-up of signs being held up at climate change protest

Survey: Mayors Concerned About Direct Impacts of Climate Change

Almost all U.S. mayors have some level of concern about climate change in their communities, but local leaders face some challenges in taking action.

January 22, 2023 - Smart Cities Dive

Aerial view of I-10 junction over swamp near New Orleans, Louisiana

$50 Billion Coastal Master Plan Updated in Louisiana

Louisiana is losing coastal lands, quickly, along with the habitat and economic resources located there. A Coastal Master Plan plots $50 billion in spending to protect the coast.

January 20, 2023 - NOLA.com

View of Los Angeles River at Glendale Narrows segment with tree and overpass

Downpours Yield 33 Billion Gallons of Captured Stormwater in L.A. County

County officials hope reclamation efforts will help the region reduce its dependence on imported water supplies.

January 19, 2023 - ABC7

Sunset view over canal and downtown Scottsdale, Arizona

Scottsdale Cuts Water Supply to Nearby Suburb

The city claims it has no responsibility to provide water to the unincorporated Maricopa County community.

January 18, 2023 - The Washington Post

Early morning view of new neighborhoods and Route 215 from the top of Lone Mountain in Northwest Las Vegas.

Zoning Has Support for Sprawl: Subdivision, Covenants, and Mortgages

Zoning codes are not the only kind of land use control that has built the U.S. residential market on the suburban model for more than a century, according to a recent article in The Urbanist.

January 17, 2023 - The Urbanist

Toronto Moss Park

Using Cellphone Data to Understand Park Use

A new University of Toronto study analyzes anonymous GPS data from smartphones to track how people use and interact with green spaces.

January 17, 2023 - University of Toronto News

Parent and child walking, holding hands on mixed-use trail with trees

The Benefits of Walking in Urban Green Spaces

A new study by researchers in Virginia found that walking in a quiet urban setting with shade and greenery can significantly improve mood and reduce stress.

January 17, 2023 - VCU News

"Caution! Extreme heat danger" sign in Death Valley National Park with desert mountains in background

The Importance of Cooling Centers

A new UCLA study examines how formal and informal cooling centers are being used in Los Angeles County.

January 16, 2023 - UCLA Newsroom

A California Gull walks along the shore, searching for food while surrounded by a swarm of bugs.

L.A.’s Water Diversions Threaten Critical Habitat Far to the North

Water levels at Mono Lake, nestled in a stunningly beautiful location on the eastern slope of the Sierra Nevadas that provides the eastern gateway to Yosemite, have fallen to a critical level of a local population of nesting gulls.

January 16, 2023 - Los Angeles Times

Flooded park in Pakley, California during late 2022 atmospheric river storm

California’s Reservoirs are Filling Up, but For How Long?

Recent storms are bringing plenty of water to parched parts of California, but scientists warn the relief won’t be a long-term solution to longer, drier periods.

January 15, 2023 - The New York Times

Parked electric scooters on a sidewalk with person walking bike in the background

Small Modes Are Beautiful!

Active modes (walking, bicycling and their variants) and micromodes (e-bikes and e-scooters) can provide large climate emission reductions and other important benefits, if we let them. Small modes are important but often undercounted and undervalued.

January 13, 2023 - Todd Litman

Aerial view of port community of San Pedro, California

EPA Grants Target Environmental Justice

The agency will administer $100 million in grants to cities, states, and tribal nations as part of the Biden administration’s Justice40 initiative.

January 12, 2023 - Route Fifty

Coastal City

Miami-Dade Issues ‘Extreme Heat Action Plan’

The county’s plan addresses a range of infrastructure improvements and community resources that could limit the impacts of extreme heat waves.

January 12, 2023 - Route Fifty

San Francisco, California

The High Cost of Climate Disasters

Extreme weather events in the United States cost $165 billion and killed more than 474 people last year.

January 11, 2023 - Bloomberg Green

View of cars in traffic from behind with visible tailpipe emissions

Federal Plan Takes Aim at Transportation Emissions

The U.S. National Blueprint for Transportation Decarbonization is designed to guide federal investment and regulations, focusing on electrification with a nod to transit investment and walkability.

January 10, 2023 - The Washington Post

Green roof in Rotterdam, The Netherlands

Prioritizing Climate Change in Planning Projects

What should urban planners reconsider when engaging in sustainable development?

January 10, 2023 - Devin Partida

A rendering of a futuristic city in the desert.

A $400 Billion City in the U.S. Desert

The latest futuristic city concept attracting attention on the internet is known as Telosa.

January 10, 2023 - Tomorrow’s Build via YouTube

Solar and Wind Energy

U.S. Greenhouse Gas Emissions Continue Post-Pandemic Rebound in 2022

Renewables generated more electricity than coal in 2022, according to preliminary estimates. Greenhouse gases still rose, however, due mostly to increased emissions from buildings.

January 10, 2023 - Rhodium Group

Irrigiation Channel

New Map Deepens Understanding of Cross-Border Aquifers

A new analysis of U.S. and Mexico groundwater supplies reveals 72 aquifers shared between the two countries.

January 9, 2023 - High Country News

View of Washington State beach with grey rocks

Federal Grants Fund Tribal Relocation Efforts

Tribal communities threatened by climate change are opting to relocate or engage in ‘managed retreat’ to save their villages from sea level rise, erosion, flooding, and other climate impacts.

January 4, 2023 - The Daily Yonder

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.