Food Waste

Nutrition Policy Institute News: Article

Longer lunch time periods help students eat more but study finds evidence of inequities in lunch period length by free or reduced price meal eligibility

February 11, 2026
School meals provide a significant portion of children’s daily nutrition, and policies like the Healthy, Hunger-Free Kids Act, Community Eligibility Provision, and Healthy School Meals for All have improved access to healthier meals. However, variations in lunch period lengths and seated time may affect meal…
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Nutrition Policy Institute: Page

Peer-Reviewed Publications

Below is a comprehensive list of peer-reviewed publications by Nutrition Policy Institute researchers and our collaborators in reverse chronological order. See also our collection of PubMed indexed peer-reviewed publications by NPI researchers.View publications by year: 2026 • 2025 • 2024 • 2023 • 2022 …
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Collection

Reports

Nutrition Policy Institute's research and evaluation reports include documents that presents the findings of a systematic investigation in a clear, organized, and objective manner. The reports detail the research process, methods, data, and results to communicate complex information and insights to a…
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Collection

Research Briefs

Nutrition Policy Institute's research briefs are short, non-technical summaries of a study's key findings—designed to make complex research accessible to broader audiences like policymakers, practitioners, or the public—translating evidence into real-world application through plain language, bullet points,…
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Nutrition Policy Institute News: Article

Parents and staff are highly supportive of freshly prepared school meals but raise concerns about food waste

September 22, 2025
By Brianna Aguayo Villalon, Danielle Lee, KC Fiedler, Lorrene D Ritchie
A recent study published in the Journal of Nutrition Education and Behavior explored the perceptions of elementary school parents and staff in a large, urban California school district that recently introduced more freshly-prepared school lunches. Based on interviews and focus groups conducted from May…
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Nutrition Policy Institute News: Article

2025 LEAP Awards recognize excellence in healthy eating and active living across California

September 3, 2025
By Carolyn D Rider, Summer J Cortez
The Nutrition Policy Institute’s CalFresh Healthy Living Evaluation team, in collaboration with the California Department of Public Health, is thrilled to announce recognition of 123 schools, 85 out-of-school time programs, and 106 early care and education programs across California as recipients of the 2025…
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UC Master Food Preservers of Solano and Yolo Counties: Page

Events

 Join Us!We host classes for the community to share research-based, validated information about food safety, high-acid canning, pickling, fermenting, low-acid canning, dehydrating, and more. If you would like to be notified of upcoming events, join our mailing list. Please visit the links below to learn…
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UC Master Gardeners of Amador County: Article

Press Release: New Green Waste and Food Scrap Drop Off Site for Amador County Residents

May 21, 2025
By Carletta Amatisto-Smith
County encourages residents to compost household organic wasteJackson, CA- In an effort to support California’s greenhouse gas emission goals and comply with Senate Bill 1383, Amador County is proud to announce the opening of a new compost collection center in Jackson. The Community Compost Site at Mother…
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Our Impact

NPI's research provides influential evidence that shapes federal, state and local nutrition programs. Since 2014, NPI has contributed to several program and policy wins! Read about our impact!
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