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Who we are

With research staff from more than 60 countries, and offices across the globe, IFPRI provides research-based policy solutions to sustainably reduce poverty and end hunger and malnutrition in developing countries.

researcher spotlight

Liangzhi You

Liangzhi You is a Senior Research Fellow and theme leader in the Foresight and Policy Modeling Unit, based in Washington, DC. His research focuses on climate resilience, spatial data and analytics, agroecosystems, and agricultural science policy. Gridded crop production data of the world (SPAM) and the agricultural technology evaluation model (DREAM) are among his research contributions. 

Where we work

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Where we work

IFPRI currently has more than 600 employees working in over 80 countries with a wide range of local, national, and international partners.

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Publications

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Journal Article

Sustainability considerations are not influencing meat consumption in the US

2024Downs, Shauna M.; Merchant, Emily V.; Sackey, Joachim; Fox, Elizabeth L.; Davis, Claire; Fanzo, Jessica
Details

Sustainability considerations are not influencing meat consumption in the US

The consumption of animal-source foods, and particularly red meat from ruminants, is a major contributor to greenhouse gas emissions, freshwater use, and loss of biodiversity. Reducing red meat consumption has been identified as a key strategy to mitigate climate change; however, little is known about how to effectively intervene to promote its reduction in the United States (US). This study aimed to examine meat (red, unprocessed, and poultry) and seafood consumption patterns, the factors influencing their consumption (including a reduction in their consumption over time), and how these differed based on socioeconomic variables. The study was conducted through an online survey with a representative sample of the US population (n = 1224) in 2021 using KnowledgePanel®. Overall, we found that most participants reported consuming red meat (78%), processed meat (74%), or poultry (79%) 1–4 times per week, with several differences in consumption patterns based on socio-demographic characteristics. A substantial proportion of the population reported reducing their red (70%) and processed meat (64%) consumption over the previous year, which was much higher than those that reported reducing poultry (34%) or seafood (26%). Key factors influencing red meat reduction were health and price, while environmental sustainability and animal welfare were less important, particularly among certain socio-demographic groups. These findings can help provide insight into how best to frame messaging campaigns aimed at shifting red meat consumption in the US to support climate change mitigation. Focusing on the factors that resonate more with consumers is more likely to lead to shifts in consumption patterns.

Year published

2024

Authors

Downs, Shauna M.; Merchant, Emily V.; Sackey, Joachim; Fox, Elizabeth L.; Davis, Claire; Fanzo, Jessica

Citation

Downs, Shauna M.; Merchant, Emily V.; Sackey, Joachim; Fox, Elizabeth L.; Davis, Claire; and Fanzo, Jessica. 2024. Sustainability considerations are not influencing meat consumption in the US. Appetite 203(1 December 2024): 107667. https://doi.org/10.1016/j.appet.2024.107667

Country/Region

United States

Keywords

Americas; Northern America; Animal Source Foods; Consumer Behaviour; Diet; Feeding Preferences; Meat; Sustainability

Language

English

Access/Licence

Open AccessCC-BY-NC-4.0

Links

https://doi.org/10.1016/j.appet.2024.107667 Source record

Record type

Journal Article

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Journal Article

Housing values and jurisdictional fragmentation

2024Hatfield, John William; Kosec, Katrina; Rodgers, Luke P.
Details

Housing values and jurisdictional fragmentation

JEL Classification: H11, H77

Year published

2024

Authors

Hatfield, John William; Kosec, Katrina; Rodgers, Luke P.

Citation

Hatfield, John William; Kosec, Katrina; and Rodgers, Luke P. 2024. Housing values and jurisdictional fragmentation. Public Choice 201: 83–122. https://doi.org/10.1007/s11127-024-01160-6

Country/Region

United States

Keywords

Americas; Northern America; Housing; Local Government; Remuneration; Taxes; Spending

Language

English

Access/Licence

Limited Access

Links

https://doi.org/10.1007/s11127-024-01160-6 Source record

Record type

Journal Article

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Journal Article

Interstate air pollution governance in the United States: Exploring Clean Air Act Section 126

2024Underwood, Alixandra; Marcantonio, Richard; Wood, Danielle; Crippa, Paola
Details

Interstate air pollution governance in the United States: Exploring Clean Air Act Section 126

Air pollution is arguably the most pressing human health concern today, accounting for approximately 7–9 million premature deaths worldwide. In the United States, more than 40% of early deaths caused by air pollution are assessed to be caused by emissions produced by neighboring states. This article examines one of the governance mechanisms used by the U.S. to address this issue: section 126 of the Clean Air Act. Critical factors including case length, evidence used, and case outcome are compiled for the population of section 126 petitions submitted from 2000–2022. This evidence is assessed using comparative case analysis. The findings reinforce two issues with the petition process already identified in the literature–the use of cost as a proxy for significance and the excessive and unclear burden of proof placed on downwind states–adding texture to the latter issue by examining the modeling techniques used by downwind states. This analysis identifies lengthy response timelines as an additional issue and calls to attention the infrequency with which the EPA has formally accepted petitions. Collectively, these issues increase the cost, complexity, and unpredictability of filing a section 126 petition.

Year published

2024

Authors

Underwood, Alixandra; Marcantonio, Richard; Wood, Danielle; Crippa, Paola

Citation

Underwood, Alixandra; Marcantonio, Richard; Wood, Danielle; and Crippa, Paola. 2024. Interstate air pollution governance in the United States: Exploring Clean Air Act Section 126. Environmental Management 74: 401–413. https://doi.org/10.1007/s00267-024-02002-3

Country/Region

United States

Keywords

Americas; Northern America; Air Pollution; Cost Analysis; Governance; Health

Language

English

Access/Licence

Open AccessCC-BY-4.0

Links

https://doi.org/10.1007/s00267-024-02002-3 Source record

Record type

Journal Article

Blogs

The likely U.S. longshoreman strike and its implications for agricultural trade
IFPRI Blog
 | 
September 30, 2024

The likely U.S. longshoreman strike and its implications for agricultural trade

By Joseph Glauber

Disruptions ahead for some developing countries exporting to the U.S.

Book launch: Straight talk about food system challenges
IFPRI Blog
 | 
February 26, 2021

Book launch: Straight talk about food system challenges

By Honor Dearlove

Exploring what works, and what doesn't, to promote health and nutrition.

2021 Summit of the Americas: At a precarious moment, an opportunity for a bold regional agenda
IFPRI Blog
 | 
February 19, 2021

2021 Summit of the Americas: At a precarious moment, an opportunity for a bold regional agenda

By Eugenio Díaz-Bonilla

Cooperation can help Latin America and the Caribbean confront significant challenges. 

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Events

Trade disruptions and their impacts on agricultural markets: Looking back and ahead
IFPRI Policy Seminar

 | 

January 13, 2025, 9:30 – 11:00 am

Trade disruptions and their impacts on agricultural markets: Looking back and ahead

Also streaming on Please type your questions into the chat box with name, affiliation, and country. The event video, presenter slides, and podcast will be available in the days following the event. Global agricultural markets have been in a constant state of uproar over the past 5 years. Trade wars between major trading nations such as […]

Emerging Trends in the Global Soybean Complex
IFPRI Policy Seminar

 | 

December 14, 2023, 9:30 – 11:00 am

Emerging Trends in the Global Soybean Complex

Virtual IFPRI-AMIS Seminar Series: December 14, 2023 at 9:30am-11:00am EST. This seminar will explore the market outlook for soybeans and vegetable oils, and examine the implications of the US biodiesel industry and recent developments in South American soybean production.

Production Prospects for the Northern Hemisphere
IFPRI Policy Seminar

 | 

April 18, 2023, 9:00 – 10:30 am

Production Prospects for the Northern Hemisphere

VIRTUAL IFPRI-AMIS Seminar Series: April 18, 2023 at 9am-10:30am EDT. This session will address crop and weather conditions in key wheat, corn, and oilseed producing regions including the US and Canada, the EU and Black Sea, North Africa and China.

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News

July 24, 2023 | In the News

Russia is trying to strangle Ukraine’s grain industry. American shoppers could feel the pain. (Politico)

“Russian attempts to cut off all Ukraine’s grain export routes are threatening to erase the small reprieve in sky-high grocery prices Americans experienced this year,” writes Politico. “Joe Glauber, senior research fellow at the International Food Policy Research Institute and former chief economist at the U.S. Agriculture Department, predicted that if Monday’s big spikes in […]

February 02, 2023 | In the News

Farm Progress America, February 2, 2023 (Farm Progress) 

Max Armstrong’s Farm Progress America is a daily podcast that looks at key issues in agriculture. It is produced and presented by Max Armstrong, veteran farm broadcaster and host of This Week in Agribusiness. In this episode, Max Armstrong reports that as the U.S. economy slows inflation will fall as well. Armstrong summarized comments from […]

January 19, 2023 | In the News

Play it again: High and volatile commodity prices in the year ahead (Successful Farming)

Economic growth and inflation will slow in the coming months, but commodity prices are likely to be volatile as the world’s farmers try to catch up with the global appetite for food, said two leading agricultural economists on Wednesday.  “I think that 2023 still looks pretty strong” for U.S. farm income, said Nathan Kaufman, the Kansas […]

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Projects

Land Resource Management for Poverty Reduction

Land Resource Management for Poverty Reduction

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