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 (Track 2) (Senior Division)
The Salton Sea, once a popular destination for vacation and bird watching, is currently unsustainable, posing health hazards and ecological instability in the region. Despite growing tractio…
CSEF · 2026
Environmental Engineering (Junior Division) Honorable_mention Award
The goal of this project is to create an eco-friendly and economical air purifier that effectively purifies air. It is vital to build an accessible air purifier as air pollution is one of th…
CSEF · 2026
Environmental Engineering (Track 2) (Senior Division)
Eco-Friendly Mycelium-Based Insulation Tiles Inspired by Buffalo Skin Optimized for Semi-Temperate Climates Insulation is commonly manufactured using synthetic materials such as spun fibergl…
ISEF · 2026
Environmental Engineering
91% of waste plastic bottles are not recycled in Nigeria and many other developing countries, driving a global environmental crisis. This project focuses on transforming waste plastic bottle…
CSEF · 2026
Environmental Engineering (Track 2) (Junior Division) Honorable_mention Award
A Microbial fuel cell is a bio-electrochemical device that can convert organic waste into electricity. MFCs using organic waste do not produce enough power to meet energy demands. In this ex…
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…
ISEF · 2026
Environmental Engineering
Developing low-cost, eco-friendly sensors for detecting PFAS-like pollutants is critical for environmental monitoring and agricultural runoff. This study investigates the electrochemical res…
CSEF · 2026
Environmental Engineering (Junior Division) Fourth Award
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) Fourth Award
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…
ISEF · 2026
Environmental Engineering
Wildfire suppression agents commonly rely on synthetic surfactants that pose environmental persistence and runoff concerns, particularly in island ecosystems. This study evaluates the feasib…
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…
ISEF · 2026
Environmental Engineering
Equabin is an intelligent IoT based waste management system. The system is built around a micro-controller integrated with multiple sensors, standard communication protocols, and a database.…
ISEF · 2026
Environmental Engineering
Heavy metal pollution caused by activities such as improper disposal of mining waste, ore smelting, and the burning of fossil fuels by automobiles or power plants is especially prevalent in…
ISEF · 2026
Environmental Engineering
We wanted to do this project to show the importance of ph levels on soil and plant health and to prove there's organic yet effective ways to solve problems. We wanted to know which organic a…
CSEF · 2026
Environmental Engineering (Track 2) (Junior Division) Honorable_mention Award
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…
ISEF · 2026
Environmental Engineering Fourth Award
Due to high ultrafine particle (UFP) concentrations on freeways and the lack of effective UFP prevention technologies in vehicles, passengers may be exposed to elevated cabin UFP levels duri…
ISEF · 2026
Environmental Engineering
This research addresses the problem of marine pollution from heavy hydrocarbons (C10–C40), highly persistent petroleum-derived substances that compromise aquatic ecosystems and biodiversity,…
ISEF · 2026
Environmental Engineering
Microplastics (MPs), defined as plastic particles smaller than 5 mm, are pervasive environmental pollutants linked to cardiovascular, neurological, and carcinogenic health risks. Although fe…
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) Honorable_mention Award
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…
ISEF · 2026
Environmental Engineering
Marine oil spills are a severe form of pollution, causing lasting ecological and economic damage. Polypropylene sorbents are non-biodegradable and pose environmental concerns. Thus, our aim…
ISEF · 2026
Environmental Engineering Second Award
Widespread contamination of surface and groundwater systems from heavy metals, excess nutrients, and other hazardous pollutants has intensified the need for sustainable water remediation tec…
ISEF · 2026
Environmental Engineering
Polyethylene terephthalate (PET) is one of the most common plastics used worldwide, and is used to create products like water bottles, food packaging, and textiles. PET is difficult to break…
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…
ISEF · 2026
Environmental Engineering First Award
Globally, pests destroy over 40% of crops annually. Traditional pesticides are highly harmful to the environment and human health, and current application methods—either wasteful mass sprayi…
ISEF · 2026
Environmental Engineering
Hold
CSEF · 2026
Environmental Engineering (Track 2) (Senior Division) Third Award
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…