Iowa

 A bridge stretches across the Missouri River at Chamberlain, South Dakota.

Want to study the Missouri River? Soon, you may need unanimous approval from 10 states

Legislation would require 10 governors’ permission to study or build projects moving water outside the basin.

October 30, 2026 - South Dakota Searchlight

A pig poking its snout between the bars.

Iowa taxpayers are paying thousands to clean manure out of their water

While the Clean Water Act makes states responsible for regulating factory farms that discharge pollutants, Iowa has turned a blind eye to the polluting farms.

October 27, 2026 - Inside Climate News

A coal power plant in Iowa billows smoke into the air.

Nation's most wind-powered state turns to coal as data centers increase energy demand

For the first time in decades, Iowa has increased its generation of coal power.

September 17, 2026 - Inside Climate News

Former railroad bridge in Iowa over Big Sioux river that has been turned into pedestrian bridge.

Now you can cross from Iowa to South Dakota on a pedestrian bridge

The Big Sioux Pedestrian Bridge connects a park and a golf course on the other side of the Big Sioux River.

May 12, 2026 - KTIV

Red and white Iowa City Transit bus stopped next to a curb.

Iowa City's free bus program made ridership spike by 68%. Now, it could go away.

The bus system gained roughly 700,000 new riders since it launched free service in 2023.

April 16, 2026 - Daily Iowan

Data center in Iowa at sunset.

Iowa County Passes Restrictive Data Center Ordinance

A new Linn County ordinance requires data center builders to conduct environmental reviews, limit light pollution and noise, and compensate the county for infrastructure costs.

March 2, 2026 - Inside Climate News

Iowa City transit bus.

Iowa City’s Transit Ridership is up 18% Thanks to Free Buses

A two-year free fare pilot program has reduced driving by 1.8 million miles.

November 25, 2025 - The New York Times

Aerial view of flooded small town in Iowa in 2019.

Iowa Stormwater Infrastructure Needs Millions in Upgrades

More frequent flooding is prompting cities to evaluate their aging stormwater systems, but the necessary upgrades could be prohibitively expensive for small communities.

August 5, 2025 - KCRG-TV9

Des Moines, Iowa skyline viewed from a plaza with two flags on either side at dusk.

Iowa Legalizes Accessory Dwelling Units

A new law will allow property owners to build ADUs on single-family lots starting on July 1.

May 30, 2025 - Smart Cities Dive

Automated traffic enforcement camera.

Iowa Outlaws Most Automated Speed Cameras

The Iowa Department of Transportation has rejected a majority of applications to continue speed camera programs in cities across the state based on a new state law that requires state-issued permits for automated traffic enforcement.

October 16, 2024 - Iowa Public Radio

Red fire truck speeding down a street.

Study: Bike Lanes, Traffic Calming Don’t Impact First Responders

Despite common concerns that narrower traffic lanes and bike infrastructure can slow emergency response, response times in one study didn’t change.

July 30, 2024 - Ars Technica

Ornate, tan stone capitol building with a gold dome roof and low-rise city buildings in the background.

States Are Banning Guaranteed Income Programs

Four states now have laws in place that prevent cities and counties from creating or continuing guaranteed income programs, and several more have tried or are trying.

May 23, 2024 - Bloomberg CityLab

Downtown Des Moines, Iowa skyline.

Des Moines Plans to Repurpose Downtown Parking Lots

City officials want to encourage the redevelopment of underused surface parking lots.

February 7, 2024 - Axios

Red antique stoplight in the middle of wide intersection flanked by brick buildings in downtown rural Toledo, Iowa

Iowa Towns Embrace a ‘Shrink Smart’ Approach

Population loss doesn’t have to be a harbinger of doom. Some rural communities are taking small but impactful steps to improve quality of life for their remaining residents.

August 23, 2023 - The Gazette

An aerial view of downtown Iowa City.

Iowa City Hopes Zoning Amendments Will Increase Housing Supply, Diversity

Iowa City is planning ahead to ensure that housing supply keeps up with housing demand.

August 21, 2023 - The Gazette

Close-up of hand holding charging cable moving toward charging port on electric car.

Road Funding Options: The Alternative to the Alternative

The inverse relationship between electric vehicle sales and gasoline tax revenues has caused the federal government and many states to investigate mileage fees as an alternative funding option to fuel taxes. Iowa is going a different route.

July 24, 2023 - Clean Energy Districts of Iowa

Food bank worker carries box of food in front of outdoor table filled with food items

Redlined Neighborhoods Experience High Food Insecurity

A study from Des Moines found that households in historically redlined parts of town are more likely to have to seek help from food pantries.

August 9, 2022 - Axios

Solar panels are lined up on agricultural land.

Legislation Would Limit Solar Power Installation on Agricultural Land in Iowa

If SF 2171 wins approval in the Iowa State Legislature, solar will have a limited number of options for installation on agricultural land.

February 17, 2022 - Iowa Public Radio

A map showing zoning for the South District in the city of Iowa City.

Missing Middle Housing, Form-Based Code Added to the Zoning Menu in Iowa City

The Iowa City Planning Commission approved a rezoning amendment that will allow new missing middle density and implement a form-based code for the city's South District. The city could expand the concepts as it expands the city in the future.

October 6, 2021 - Iowa City Press Citizen

Pandemic Protest

Pandemic Debate: Civil Liberties vs. Individual Liberties

The American Civil Liberties Union stepped into the nation's masking debate in K-12 schools on the side of parents of students with disabilities. They won the first round in the U.S. Southern District Court of Iowa. Mask mandates are permitted again.

September 20, 2021 - Des Moines Register

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.