38,465 real projects from ISEF, the Canada-Wide Science Fair, JSHS, AJAS, the Calgary Youth Science Fair and the California Science & Engineering Fair — searchable by meaning, and filterable by fair, year, category and award.
CSEF · 2026
Environmental Engineering (Senior Division)
Ocean acidification threatens marine ecosystems at an accelerating rate, yet localized ocean alkalinity enhancement remains poorly characterized due to the absence of integrated sensing and…
CSEF · 2026
Environmental Engineering (Junior Division)
According to the World Health Organization (WHO), indoor air pollution causes about 2.9 million deaths annually. This include over 309,000 deaths of children under the age of 5, making it a…
CSEF · 2026
Environmental Engineering (Track 2) (Senior Division)
Wind-borne embers (firebrands) are responsible for up to 90% of home ignitions in U.S. wildfires, as they ignite dry materials near buildings. Despite advances in wildfire management, thousa…
CSEF · 2026
Environmental Engineering (Track 2) (Junior Division)
Title: Engineering a Biodegradable pH Sensitive Color- Changing Sponge Many sponges are made with harmful microplastics which lead to bacterial growth. Bacterial growth affects dishes that a…
CSEF · 2026
Environmental Engineering (Junior Division)
Much of Earth is covered by oceans; however, seawater is salty, and the planet faces increasing freshwater scarcity. Over the past two decades, 80 metropolitan areas have experienced severe…
CSEF · 2026
Environmental Engineering (Track 2) (Junior Division)
An overwhelming 98% of US individuals show detectable levels of Per- and Polyfluoroalkyl Substances (PFAS) and phthalates—ubiquitous environmental chemicals found in everyday consumer produc…
CSEF · 2026
Environmental Engineering (Junior Division)
Purpose: This experiment examined which ratio of filtration materials—pebbles, sand, and charcoal—effectively purifies water to maximize lettuce growth in a hydroponic system compared with a…
CSEF · 2026
Environmental Engineering (Junior Division)
Flooding is a natural hazard that can cause serious damage to homes, surroundings, and safety. This engineering project is a simple, low-cost flood alarm designed to detect rising water leve…
CSEF · 2026
Environmental Engineering (Track 2) (Senior Division)
Approximately 931 million tons of food were wasted globally in 2019, with spoilage as a major contributor. Most homes rely on visual and smell-based spoilage checks, missing unsafe microbial…
CSEF · 2026
Environmental Engineering (Junior Division)
The purpose of this project is to make potable water accessible to all by using common household plants to filter dirty water. The hypothesis for this project was that out of the onion, pars…
CSEF · 2026
Environmental Engineering (Junior Division)
GuardianNose BY: Matthias Garzon Air pollution, allergens, and fine particulate matter (PM2.5) pose serious health risks, particularly for individuals with asthma and other respiratory condi…
CSEF · 2026
Environmental Engineering (Track 2) (Senior Division)
Wildfires are becoming increasingly frequent and devastating, threatening lives, ecosystems, and infrastructure across the globe. The 2025 Los Angeles fires alone caused an estimated $250–27…
CSEF · 2026
Environmental Engineering (Senior Division)
Mold exposure is a significant public health concern associated with asthma and allergic disease, particularly in low-income households and schools where moisture control is limited. Existin…
CSEF · 2026
Environmental Engineering (Track 2) (Senior Division)
Purpose: The conversion of lignocellulosic agricultural waste into platform chemicals is essential for sustainable biofuel production and carbon sequestration. Unlike conventional industrial…
CSEF · 2026
Environmental Engineering (Track 2) (Junior Division)
MOTIVATION / PROBLEM: Access to water is a global issue that affects over four billion people. A lack of water-related infrastructure further worsens this issue. However, AWGs (Atmospheric W…
CSEF · 2026
Environmental Engineering (Senior Division)
Many pharmaceutical pollutants, such as diphenhydramine (DPH), commercially sold as Benadryl, can pass through wastewater treatment plants and accumulate in water bodies, where aquatic life,…
CSEF · 2026
Environmental Engineering (Junior Division)
Title - IonReHydrant: Eco-Friendly Ion Exchange Filter to Treat Home Hydroponic Wastewater Names - Prathik Nemani, Jasmehar kaur Hydroponics is a water-efficient agricultural method that gen…
CSEF · 2026
Environmental Engineering (Track 2) (Senior Division)
Irrigation scheduling strongly influences crop yield and water productivity, yet practical adoption of “smart” scheduling methods remains limited because method performance varies across cro…
CSEF · 2026
Environmental Engineering (Senior Division)
In this project, we analyze the various microbes within a specific enrichment culture and analyze the effects of their ability to defluorinate. The main purpose of this project is to inform…
CSEF · 2026
Environmental Engineering (Track 2) (Senior Division)
Kelpos Robotics addresses the global prosthetic crisis, where high costs limit access to only 3% of low-income individuals, by engineering a modular, sustainable, and theoretically affordabl…
CSEF · 2026
Environmental Engineering (Junior Division)
Organic dyes released into natural sources of water pollute the environment, threatening the ecosystems and human health. Spent coffee grounds and alginate are eco-friendly materials, which…
CSEF · 2026
Environmental Engineering (Track 2) (Junior Division)
This experiment tested low-cost capacitive soil sensors against a 24-hour timer cycle for watering pea plants over 2 weeks. Each system used drip irrigation with three pots (two plants per p…
CSEF · 2026
Environmental Engineering (Senior Division)
Purpose/Design Goal and Background: We had heard about the dangers of microplastics (plastics <5mm) and how common they are in water, so we wanted to test our house’s water. However, we soon…
CSEF · 2026
Environmental Engineering (Senior Division)
Rapidly emerging blooms of Sargassum horneri threaten kelp forest ecosystems and shoreline biodiversity in Monterey Bay, California. This study introduces MARLIN, an AI-robotics pipeline ope…
CSEF · 2026
Environmental Engineering (Senior Division)
Oil spills are a prevalent and persistent problem in the current work, where the NOAA Office of Response and Restoration responds to over 150 oil and chemical spills in U.S. waters annually.…
CSEF · 2026
Environmental Engineering (Junior Division)
2.1 billion people do not have access to clean, safe water. Depending on my findings, I am hopeful this research will help a lot of people gain confidence in creating their own filters. I cr…
CSEF · 2026
Environmental Engineering (Track 2) (Senior Division)
Greenhouse gas (GHG) emissions is one of the most important contributing factors to global climate change. Extensive monitoring is required to determine emission impacts. Compared to orbital…
CSEF · 2026
Environmental Engineering (Senior Division)
Water scarcity is an important issue for our global population. Natural sources of water are insufficient to meet this demand. However, the atmosphere is an untapped resource which at any po…
CSEF · 2026
Environmental Engineering (Senior Division)
Per- and polyfluoroalkyl substances (PFAS) are “forever chemicals” contaminating global drinking water, with concentrations varying widely across communities. We create modular filters that…
CSEF · 2026
Environmental Engineering (Track 2) (Junior Division)
Microplastic and nanoplastic (MNPs) pollution negatively impacts ecosystems and biodiversity. MNPs found in agricultural irrigation and soil results in uptake and accumulation in our food cr…