Earth and Environmental Sciences
Harmful algal blooms caused by cyanobacteria have become a growing global concern due to their release of potent toxins, one of which includes microcystin (MC-LR). This toxin threatens drink…
Earth and Environmental Sciences
Long-term rainfall prediction in the Brazilian semi-arid region remains a significant challenge for conventional meteorological systems. These systems are often expensive and inaccurate at l…
Earth & Environmental Sciences (Junior Division)
The project analyzed the amount of microplastics in local bodies of water (Fresno and Madera counties). Microplastics can affect the environment and ecosystems in negative ways. There is a l…
Earth & Environmental Sciences (Track 2) (Junior Division)
Global warming and air pollution are major problems that have the ability to affect the environment. Black carbon is a common particle in air pollution that can absorb sunlight and reduce ic…
Earth and Environmental Sciences
In the past 20 years, flooding has been the most common natural disaster worldwide, accounting for 43% of all recorded events, and causing tremendous loss of life and property. The North Car…
Earth and Environmental Sciences
Fourth Award
Access to safe drinking water remains a pressing global challenge, with millions exposed to heavy-metal contamination each year. At the same time, fertilizer runoff degrades water quality th…
Earth & Environmental Sciences(Senior Division)
Fourth Award
Overwintering fires (OWFs), in which smoldering peat combustion persists underground through boreal winters and re-ignites the following spring, represent a growing but poorly monitored feed…
Earth & Environmental Sciences (Junior Division)
First Award
Eco-Friendly Microplastic Removal Microplastics are plastic particles smaller than five millimeters that have been detected in drinking water worldwide. Their persistence and small size rais…
Earth and Environmental Sciences
This project aimed to investigate the impact of avian influenza (H5N1) on wild bird behavioral patterns in Iowa over the years 2022-2025. The hypothesis was “If wild birds are contaminated w…
Earth & Environmental Sciences(Senior Division)
This project investigated how the different enzymes Amylase, Cellulase, and Protease affect the degradation of biodegradable microplastics using Lactobacillus plantarum set at pH6. It has be…
Earth & Environmental Sciences(Senior Division)
Agricultural goods are commonly packaged using expanded polystyrene (EPS or Styrofoam), which creates a great amount of environmental waste and pollution. EPS doesn’t degrade easily and cont…
Earth and Environmental Sciences
Over 75,000 wildfires occurred in North America in 2025. Smoke and ash from these fires contribute to both air and water pollution. Over 5,000 of these wildfires impacted the Great Lakes as…
Earth and Environmental Sciences
Natural resources worldwide, especially in coastal areas such as the Aunu'u wetlands of American Samoa, are threatened by salinity. Adaptive management strategies primarily require considera…
Earth and Environmental Sciences
This investigation examined whether untreated sargassum and sargassum treated with a wax coating can function as efficient absorbents of hydrocarbons in seawater. The research question guidi…
Earth and Environmental Sciences (inferred)
By 2025, the Food and Agriculture Organization says around 1.8 billion people will face severe water scarcity (FAO). In Nebraska, while we rely on groundwater, we should make sure our water…
Earth and Environmental Sciences
This study investigates the unique, continuous upwelling flow lines at the river-sea boundary in Isfjorden, Arctic. To elucidate the mechanism behind this previously undocumented phenomenon,…
Earth & Environmental Sciences (Track 2) (Junior Division)
This study examines the relationship between rising temperatures and mortality rates across 20 major U.S. cities over the past five decades. Using historical climate data from the 1960s to 2…
Earth and Environmental Sciences
Wildfire response depends on three tasks that currently operate in isolation: detecting fires, forecasting where they will spread, and deciding where to send crews. Existing detection relies…
Earth and Environmental Sciences
The South Pacific Convergence Zone (SPCZ) is the largest band of precipitation in the Southern Hemisphere stretching from the Western Pacific Warm Pool (WPWP) to French Polynesia. The WPWP c…
Earth & Environmental Sciences(Senior Division)
Kelp forests are highly productive ecosystems along California’s coast. However, kelp forests have been collapsing due to a variety of factors including climate stressors and destructive gra…
Earth and Environmental Sciences
Polyethylene glycol (PEG) is a synthetic polymer commonly found in cosmetic products such as shampoos and conditioners. Its widespread use raises environmental concerns due to its accumulati…
Earth & Environmental Sciences (Junior Division)
The purpose of this project was to evaluate whether hydrogel made from cornstarch could reduce water loss in soil at an amount comparable to commercial hydrogel, and thus be used as an effec…
Earth and Environmental Sciences
Modeling and predicting ocean currents at small scales of less than 50 km help better understand ocean phenomena such as biogeochemical fluxes and nutrient flows. However, this small scale,…
Earth & Environmental Sciences (Track 2) (Junior Division)
Third Award
This study builds on last year’s research demonstrating that spider plants (Chlorophytum comosum) reduce formaldehyde (HCHO) levels in polluted air in a sealed environment. This year, I test…
Earth & Environmental Sciences (Track 2) (Junior Division)
Fertilizers are essential for crop production, but excess nutrients can enter waterways through runoff and contribute to environmental pollution. The objective of this study was to determine…
Earth & Environmental Sciences (Junior Division)
Honorable_mention Award
This project focuses on stream health through the macroinvertebrate population. Certain insects have higher sensitivities to pollution and are good markers of watershed health due to their i…
Earth & Environmental Sciences (Track 2) (Junior Division)
Have you ever wondered how to improve the quality of your soil? My family owns and farms an orange grove, and the success of our grove depends on maintaining healthy soil. That is why I want…
Earth & Environmental Sciences (Track 2) (Junior Division)
My project was to determine if stormwater discharge can impact the water quality in Widow White Creek. I collected benthic macroinvertebrates upstream and downstream of a storm drain, as a b…
Earth and Environmental Sciences
Fourth Award
Nine of NOAA’s top 10 costliest natural disasters were major hurricanes, highlighting the logically clear need to protect the 40% of the global population living near coastal areas. Despite…
Earth & Environmental Sciences(Senior Division)
California’s $500+ million marsh restoration program assumes restored wetlands provide net climate benefits, yet no systematic framework exists for predicting whether specific restoration de…