World:
State and International Winners
Best in the State
| Alabama Merritt Edwards, If Plastic Was Money The Altamont School, Birmingham, Alabama |
| Arkansas Gabriella Charton, A World Against Fossil Fuels Morrilton Sr. High School, Morrilton, Arkansas |
| California Bridget Bentley , Mistreatment of Indigenous Land Piedmont High School, Piedmont, California |
| Colorado Hadyn Bunnell, Little Things Make a Big Difference Grand Junction High School, Grand Junction, Colorado |
| Connecticut Madeline Ives, Save Our Planet: Reduce Our Carbon Footprint William J. Johnston Middle School, Colchester, Connecticut |
| Delaware Deborah Dibal, Eliminating Landfills MOT Charter Hight school, Middletown, Delaware |
| Florida Sophia Milian , How the Fishing Industry Affects Native American Reservations in the Pacific Northwest Samuel W. Wolfson High School, Jacksonville, Florida |
| Georgia Courtney Butler, The Importance of Basic Sanitation Dunwoody High School, Dunwoody, Georgia |
| Hawaii Chloe Reynon, Sanitation Hawaii Technology Academy, Waipahu, Hawaii |
| Idaho Carly Taylor, Waste Management Idaho Arts Charter School, Nampa, Idaho |
| Illinois Joyce Ebikhumi, Cleaning up Brownfields Hinsdale South High School, Darien, Illinois |
| Indiana Karina Peate, Reducing Mosquito Borne Illness International School of Indiana, Carmel, Indiana |
| Iowa Oreon Coffield, Earths Health Care Problems Spencer Middle School, Spencer, Iowa |
| Kentucky Kyle Mertz, Saving the World with Rotational Grazing Westport Middle School, Louisville, Kentucky |
| Louisiana Mason Sater, Solving Food Deserts Caddo Magnet High School, Shreveport, Louisiana |
| Maine Tanner Hennin, An Exploration of Replacing CAFOs Morse High School, Bath, Maine |
| Maryland Matt Pang, Regenerative Agriculture - Food in Times of Struggle Gilman School, Baltimore, Maryland |
| Massachusetts Adam Walton, The Future Is Fusion Wellesley High School, Wellesley, Massachusetts |
| Michigan Miranda Dokey, Childhood Vaccination Allen Park High School, Allen Park, Michigan |
| Minnesota Robert McCroskey, Controlling municipal solid waste Twin Oaks Middle School, Savage, Minnesota |
| Missouri Cora Sturm, That's So Not Fresh Lakeview Middle School, Kansas City, Missouri |
| Montana Margot Kuntz, As Green As It Gets Red Lodge High School, Red Lodge, Montana |
| Nebraska Isaac Niedergese, Africa Back on Track Pius X High School, Lincoln, Nebraska |
| New Jersey Molly Honecker, Addressing Food Deserts Marine Academy of Science and Technology, New Jersey, New Jersey |
| New Mexico Saisravya Bandla, Healthy Food Deserts San Jon Schools, New Mexico, New Mexico |
| New York Tia Walker, Kicking the Carbon Habit Valley Stream South High School, Valley Stream, New York |
| North Carolina Jonathan Rogers, Proper Refrigeration: A Solution to Food Loss Northwest Cabarrus High School, Concord, North Carolina |
| Ohio Libby Hartenburg, Our Land First Aurora Highschool, Aurora, Ohio |
| Oregon Laci Bex, Outdated Pipes in an Urban World Valor Christian School International, Beaverton, Oregon |
| Pennsylvania Jeanne Lambert, The Global Health Effect of Climate Change Piedmont High School, Piedmont, Pennsylvania |
| Rhode Island Kyle Holm, The Food Problem Exeter-West Greenwich Senior High School, West Greenwich, Rhode Island |
| Tennessee Ira Sharma, Hydropump Storage White Station High School, Memphis, Tennessee |
| Texas Alexandra Delany, Access To Health Care McNeil High School, Austin, Texas |
| Utah Cailyn Hill, Pandemics and Emergency Response Vista Heights Middle School, Saratoga Springs, Utah |
| Virginia Mitchell Lyon, Lean Towards Green Plaza Middle School, Virginia Beach, Virginia |
| Washington Lyan Ngo, The Overdue Conversation Eastside Preparatory School, Renton, Washington |
| Wisconsin Symone Jeter, Pandemics Shorewood Intermediate School, Shorewood, Wisconsin |
International Winners
| Europe Eva Cizmarova, Antibiotics Resistance in Agriculture Thuringia International School, Thuringia, Germany |
| Asia Jennifer Yeh, Justice for the Indigenous Atayal Tribe Morrison Academy, Taiwan, Taiwan |
| Africa Ruth Alula, Placement of Hazardous Waste Sites British International School, Addis Ababa, Ethiopia |
| North America Caeden Harmer, Mitigating Urban Disease Spread Prince of Wales Secondary School, Vancouver, Canada |
| South America Gabriella Sutton, Carbon Consciousness Colegio Nueva Granada, Bogota, Colombia |