Urban Ag Activists Up In Arms About New Study

Researchers looked at the carbon footprint of urban farming versus conventional, and the results were surprising.

1 minute read

March 5, 2024, 9:00 AM PST

By Mary Hammon @marykhammon


Planter boxes and hoop tunnel with housing in the background

Alexandre Rotenberg / Adobe Stock

Gardeners across the country are pushing back after recent findings from a study out of the University of Michigan suggested urban farming is less climate-friendly than conventional farming. “The research landed as cities including Detroit, Philadelphia, and Washington, DC, increasingly invest in urban agriculture to promote sustainability and become more resilient to the climate crisis,” reports Catherine Boudreau for Business Insider.

According to the study, fruits and vegetables grown on urban farms have on average six times the carbon footprint of produce from conventional farms. Critics of the study say its narrow focus on carbon emissions “overlooked the broader environmental harms of industrial-scale farming such as biodiversity loss and water pollution.” They are “worried the study would let conventional agriculture — which globally accounts for about one-third of greenhouse-gas emissions — off the hook and undermine a burgeoning movement to expand urban green spaces and promote food sovereignty,”  Boudreau writes.

Researchers acknowledge that, while urban agriculture has myriad social benefits and 17 out of the 73 urban farms their team studied across the world did have lower footprints than conventional farms, the infrastructure used to build them and the crops grown on them make a difference. According to Business Insider, the research has led some urban gardeners to reevaluate their practices and incorporate a few of the best practices outlined in the study.

Thursday, February 29, 2024 in Business Insider

portrait of professional woman

I love the variety of courses, many practical, and all richly illustrated. They have inspired many ideas that I've applied in practice, and in my own teaching. Mary G., Urban Planner

I love the variety of courses, many practical, and all richly illustrated. They have inspired many ideas that I've applied in practice, and in my own teaching.

Mary G., Urban Planner

Get top-rated, practical training

Close-up of "Apartment for rent" sign in red text on black background in front of blurred building

Trump Administration Could Effectively End Housing Voucher Program

Federal officials are eyeing major cuts to the Section 8 program that helps millions of low-income households pay rent.

April 21, 2025 - Housing Wire

Logo for Planetizen Federal Action Tracker with black and white image of U.S. Capitol with water ripple overlay.

Planetizen Federal Action Tracker

A weekly monitor of how Trump’s orders and actions are impacting planners and planning in America.

April 30, 2025 - Diana Ionescu

Ken Jennings stands in front of Snohomish County Community Transit bus.

Ken Jennings Launches Transit Web Series

The Jeopardy champ wants you to ride public transit.

April 20, 2025 - Streetsblog USA

Close-up of white panel at top of school bus with "100% electric" black text.

Driving Equity and Clean Air: California Invests in Greener School Transportation

California has awarded $500 million to fund 1,000 zero-emission school buses and chargers for educational agencies as part of its effort to reduce pollution, improve student health, and accelerate the transition to clean transportation.

April 30 - California Air Resources Board

Aerial view of Freeway Park cap park over I-5 interstate freeway in Seattle, Washington at night.

Congress Moves to End Reconnecting Communities and Related Grants

The House Transportation and Infrastructure Committee moved to rescind funding for the Neighborhood Equity and Access program, which funds highway removals, freeway caps, transit projects, pedestrian infrastructure, and more.

April 30 - Streetsblog USA

"No Thru Traffic - Open Streets Restaurants" sign in New York City during Covid-19 pandemic.

From Throughway to Public Space: Taking Back the American Street

How the Covid-19 pandemic taught us new ways to reclaim city streets from cars.

April 30 - Next City