Environment

Two cyclists biking on paved trail past lake in Chicago, Illinois.

Illinois Funds New ‘Transit to Trails’ Program to Make Parks More Accessible by Bus

A major transit bill includes a new program aimed at connecting more people with parks and green spaces.

December 19, 2025 - Sierra Club

Dark grey Tesla car with Uber logo on side plugged into charger outdoors in Bordeaux, France.

Uber Abandons Climate Commitments, Kills EV Incentive for Drivers

The company is dropping its pledge to fully electrify its fleet by 2030 and eliminating a monthly bonus for drivers who switch to EVs.

December 17, 2025 - CleanTechnica

View of Colorado River with low water line as seen from the Hoover Dam.

Shrinking Colorado River Aquifers Make up 65% of the Basin’s Water Loss

Satellite data reveals that the Colorado River’s groundwater has decreased dramatically since the start of the century.

December 14, 2025 - Earth Data

Prospect Park Lake in Brooklyn with fall foliage on surrounding trees.

NYC’s Prospect Park is Getting a $68 Million ‘Bluebelt’

The city plans to upgrade the park’s drainage infrastructure to channel more stormwater into its lake and other drainage ponds and reduce flooding risk.

December 14, 2025 - Smart Cities Dive

Yellow "last turn before toll" sign on post on busy street in New York City.

NYC Congestion Pricing Cut Air Pollution by 22% in 6 Months

The program reduced vehicle entries into the toll zone by 11 percent.

December 12, 2025 - Air Quality News

City of South Gate Urban Orchard Demonstration Project

How South Gate, California Expanded its Park System Against the Odds

With limited space and funding, South Gate opened three new parks this year through community-driven design, creative partnerships, and persistent public leadership.

November 28, 2025 - LAist

Light blue water tower with Fort Worth logo and orange longhorn cow head sillhouette.

Texas Voters Approve $1 Billion per Year for 'Critical' Water Infrastructure

A new $20 billion fund will shore up the state’s water infrastructure.

November 27, 2025 - The Daily Yonder

Rendering of proposed design for Charles White Park in Altadena, California by Disney Imagineers.

Disney Imagineers Join Effort to Rebuild Altadena’s Charles White Park After Wildfire

Disney is contributing $5 million and the talents of its Imagineers to help Los Angeles County rebuild Charles White Park and other fire-damaged Altadena parks.

November 26, 2025 - Variety

Woman reading book with white earbud in ear while sitting on train.

Planetizen’s Top Urban Planning Books of 2025

How thoughtful deregulation could unlock a housing and infrastructure boom, the social histories that lie behind a globalizing economy, and the growing role of artificial intelligence in planning.

November 26, 2025 - Planetizen Team

Detroit ‘Solar Neighborhoods’ are Transforming Blighted Lots Into Renewable Energy Hubs

The city just broke ground on solar installations that will provide renewable energy to the surrounding communities.

November 23, 2025 - The Baltimore Banner

Finshing Prohibited - Protected Wetlands sign

Proposed EPA Rule Change Would Exclude Millions of Acres of Wetlands and Waterways From Federal Protection

A proposed change to the Waters of the United States Rule would narrow the definition of protected waterways.

November 21, 2025 - Civil Eats

Blue :clean energy" bus blurred passing on city street.

FTA Kills ‘Social Cost of Carbon’ in Transit Grant Criteria

The Capital Investments Grant program will no longer factor in the future impacts of carbon emissions.

November 20, 2025 - Progressive Railroading

Aerial view of Macarthur Park lake with downtown Los Angeles skyline in background.

LA County Adopts Strategy for Greener, More Resilient Communities

The 2025 OurCounty Sustainability Plan charts an ambitious path toward a cleaner, more equitable, and climate-resilient future for Los Angeles County.

November 13, 2025 - Los Angeles County Chief Sustainability Office

Tillman water reclamation facility in Van Nuys, California with Japanese garden surrounding glass modernist building.

LA Will Double its Wastewater Recycling Capacity to Serve Half a Million Residents

A new wastewater treatment facility will be able to process 45 million gallons of water per day.

November 11, 2025 - Los Angeles Times

Aerial of Central Arizona Project aqueduct full of dark turquoise water surrounded by Arizona desert.

Arizona Plans ‘Game-Changing’ Water System Overhaul

A planned interconnection facility will allow water to flow both ways between the Central Arizona Project and the Salt River Project.

November 10, 2025 - KTAR

Two young Black girls outdoors using red plastic cup to pour water into tube for measurement or testing.

Seven Brilliant Projects Keeping New Orleans Safe from Stormwater

20 years post Katrina, New Orleans has shored up and reinvented itself to absorb millions upon millions of gallons of stormwater. Their success holds lessons for landscape architects all over the world.

November 7, 2025 - April Economides

Side by side image of abandoned railroad track and same site transformed into walking trail.

From Queens to Chattanooga, Federal Funding Cuts are Killing Park Projects

Cuts to grants from the Department of Transportation to the EPA are impacting small and large park projects across the country.

October 31, 2025 - Bloomberg CityLab

Aerial of houses under construction in Buckeye, Arizona against desert mountains.

Arizona Overrides Moratorium Imposed due to Water Crisis, Approves up to 60K New Homes

A newly created legal process allows development to proceed if builders agree to bring in renewable water sources and reduce their groundwater use by 25%.

October 24, 2025 - High Country News

Small paved street with yellow dump truck parked on side and puddle on shoulder in Brooklyn.

NYC Will Finally Bring Sewer System to Flood-Prone Brooklyn Neighborhood

A 12-block area known as ‘The Hole’ straddling Brooklyn and Queens has struggled with flooding and sewage contamination for decades.

October 23, 2025 - Inside Climate News

Flooded Mississippi River next to Gateway Arch in St. Louis, Missouri.

St. Louis has a Secret Stormwater Weapon Saving 100 Million Gallons from the Mississippi

The city reimburses residents who install gardens, rain barrels, and other methods that retain stormwater and decrease the risk of flooding.

October 21, 2025 - Reasons to Be Cheerful

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.