Environmental Engineering project ideas

100 projects, from a first build to a final-year capstone. Each lists the skills it teaches and the tools it needs; times and costs are estimates.

Beginner projects

• Low-Cost Air Quality Station — Measure PM2.5, CO2 and temperature with low-cost sensors and compare against an official station. Skills: air quality sensing, calibration. Tools: PM sensor, CO2 sensor, MCU. Hardware build, Up to 15 h, Under $30.
• Water Quality Index Dashboard — Calculate a water quality index from pH, DO, turbidity and nitrate readings. Skills: WQI, parameter weighting. Tools: spreadsheet/dashboard. Dashboard, Up to 15 h, Under $30.
• Noise Pollution Map — Record sound levels around a neighbourhood and map hot spots. Skills: acoustics, mapping. Tools: phone app, GIS. Visualizer, Up to 15 h, Software only (free tools).
• Rain Garden Sizing Tool — Size a rain garden from roof area, soil infiltration and rainfall. Skills: stormwater management, infiltration. Tools: web calculator. Visualizer, Up to 15 h, Software only (free tools).
• Household Waste Audit — Weigh household waste by category for a week and propose reductions. Skills: waste audits, categorisation. Tools: scale, spreadsheet. Data lab, Up to 15 h, Software only (free tools).
• Carbon Footprint Calculator — Estimate personal emissions from travel, energy and food. Skills: emission factors, carbon accounting. Tools: web app. Visualizer, Up to 15 h, Software only (free tools).
• Water Filter From Natural Media — Build a sand-charcoal filter and test turbidity before and after. Skills: filtration, turbidity. Tools: bottles, sand, charcoal. Hardware build, Up to 15 h, Under $30.
• Plastic Bottle Recycling Rate Study — Survey recycling bins to estimate contamination and recovery rate. Skills: recycling, surveys. Tools: data sheets. Data lab, Up to 15 h, Software only (free tools).
• Composting Bin Temperature Logger — Log compost temperature to show decomposition phases. Skills: composting, monitoring. Tools: thermometer probe, logger. Data lab, Up to 15 h, Under $30.
• Rainwater pH Survey — Measure rainwater pH across locations and discuss acid rain. Skills: pH, atmospheric chemistry. Tools: pH strips/meter. Data lab, Up to 15 h, Under $30.
• Tree Canopy Shade Survey — Measure temperature under and outside tree canopies. Skills: urban greening, microclimate. Tools: thermometers. Data lab, Up to 15 h, Software only (free tools).
• Energy-Saving Behaviour Campaign Tracker — Track meter readings before and after a saving campaign. Skills: behaviour change, measurement. Tools: meter readings, spreadsheet. Dashboard, Up to 15 h, Under $30.
• Leaf Pollution Deposit Study — Compare dust deposits on leaves near and far from roads. Skills: particulate deposition, sampling. Tools: tape, microscope. Data lab, Up to 15 h, Software only (free tools).
• Greywater Reuse Calculator — Estimate greywater volumes and suitable reuse for a house. Skills: water reuse, budgets. Tools: web calculator. Visualizer, Up to 15 h, Software only (free tools).
• Wind Speed and Direction Logger — Log wind data to plan pollutant dispersion studies. Skills: meteorology, logging. Tools: anemometer, MCU. Hardware build, Up to 15 h, Under $30.
• Oil Spill Cleanup Material Test — Compare absorbents for removing oil from water. Skills: sorbents, efficiency. Tools: oil, water, sorbents. Data lab, Up to 15 h, Software only (free tools).
• Solar Water Disinfection Study — Test SODIS bottles for temperature and UV exposure. Skills: disinfection, UV. Tools: bottles, thermometer. Data lab, Up to 15 h, Under $30.
• Light Pollution Sky Survey — Measure night sky brightness at several locations. Skills: light pollution, measurement. Tools: phone app/sky meter. Data lab, Up to 15 h, Under $30.
• E-Waste Inventory Mapper — Map e-waste generated on campus and suitable collection points. Skills: e-waste, mapping. Tools: survey, GIS. Visualizer, Up to 15 h, Software only (free tools).
• Soil Erosion Tray Experiment — Compare erosion of bare and vegetated soil trays under simulated rain. Skills: erosion, vegetation cover. Tools: trays, watering can. Hardware build, Up to 15 h, Under $30.
• Water Footprint Calculator — Estimate water footprint of foods and products. Skills: virtual water, footprints. Tools: web app. Visualizer, Up to 15 h, Software only (free tools).
• Indoor CO2 Ventilation Monitor — Show when a room needs ventilation from CO2 levels. Skills: ventilation, indoor air. Tools: CO2 sensor, display. Hardware build, Up to 15 h, Under $30.
• Pollinator Habitat Survey — Count pollinators in different habitats and compare diversity. Skills: biodiversity, surveys. Tools: field sheets. Data lab, Up to 15 h, Software only (free tools).
• Bike vs Car Emission Comparator — Compare trip emissions for walking, cycling, bus and car. Skills: transport emissions, mode comparison. Tools: web app. Visualizer, Up to 15 h, Software only (free tools).
• River Litter Survey — Survey and categorise litter along a riverbank. Skills: litter surveys, categorisation. Tools: data sheets, phone. Data lab, Up to 15 h, Software only (free tools).

Intermediate projects

• Wastewater Aeration Optimizer — Control aeration blowers from dissolved oxygen to save energy. Skills: aeration control, DO. Tools: Python/simulation. Simulator, 15–45 h, $30–150.
• Stormwater Pollutant Model — Estimate pollutant loads in runoff from land uses. Skills: pollutant loading, runoff. Tools: Python. Simulator, 15–45 h, Software only (free tools).
• Landfill Gas Estimator — Estimate landfill methane generation with first-order decay models. Skills: LFG modelling, decay kinetics. Tools: Python. Simulator, 15–45 h, Software only (free tools).
• River Health Monitoring Buoy — Measure temperature, conductivity and turbidity on a floating buoy. Skills: water sensing, telemetry. Tools: sensors, LoRa. Hardware build, 15–45 h, $30–150.
• Plastic Waste Sorting Classifier — Classify plastic types from images to aid sorting. Skills: image classification, polymer identification. Tools: Python. Data lab, 15–45 h, Software only (free tools).
• Life-Cycle Assessment Calculator — Compare products' life-cycle impacts across stages. Skills: LCA, impact categories. Tools: spreadsheet/Python. Data lab, 15–45 h, Software only (free tools).
• Groundwater Contaminant Plume Model — Model plume spread with advection-dispersion. Skills: groundwater transport, ADE. Tools: Python. Simulator, 15–45 h, Software only (free tools).
• Industrial Emissions Inventory — Compile facility emissions from activity data and factors. Skills: emission inventories, activity data. Tools: spreadsheet. Dashboard, 15–45 h, Software only (free tools).
• Smart Composting Monitor — Track compost moisture, temperature and oxygen to advise turning. Skills: composting process, sensors. Tools: sensors, MCU. Dashboard, 15–45 h, $30–150.
• Leak Detection for Water Networks — Detect leaks from pressure and flow anomalies. Skills: anomaly detection, hydraulics. Tools: Python. Data lab, 15–45 h, Software only (free tools).
• Air Pollution Dispersion Model — Model a stack plume with Gaussian dispersion. Skills: Gaussian plume, meteorology. Tools: Python. Simulator, 15–45 h, Software only (free tools).
• Urban Tree Carbon Estimator — Estimate carbon stored in trees from diameter measurements. Skills: allometry, carbon stocks. Tools: spreadsheet. Data lab, 15–45 h, Software only (free tools).
• Water Treatment Jar Test Optimiser — Find optimal coagulant dose from jar test results. Skills: coagulation, optimisation. Tools: jar test data, Python. Data lab, 15–45 h, Software only (free tools).
• Solid Waste Collection Route Planner — Plan collection routes to cut distance and fuel. Skills: routing, logistics. Tools: Python, OR-Tools. Simulator, 15–45 h, Software only (free tools).
• Environmental Impact Matrix Tool — Score project impacts with a Leopold-style matrix. Skills: EIA, impact scoring. Tools: web app. Workflow, 15–45 h, Software only (free tools).
• Biogas Yield Estimator — Estimate biogas production from feedstock types. Skills: anaerobic digestion, feedstock yields. Tools: web calculator. Visualizer, 15–45 h, Software only (free tools).
• Heat Wave Vulnerability Map — Combine heat, age and green cover data to map vulnerability. Skills: GIS, vulnerability. Tools: QGIS. Visualizer, 15–45 h, Software only (free tools).
• Sediment Pollution Sampling Plan — Design a sampling plan for river sediment contaminants. Skills: sampling design, statistics. Tools: GIS, spreadsheet. Workflow, 15–45 h, Software only (free tools).
• Ozone Formation Explorer — Show how NOx and VOC levels drive ozone formation. Skills: photochemistry, isopleths. Tools: web app. Visualizer, 15–45 h, Software only (free tools).
• Wetland Water Balance Model — Model inflows, evaporation and storage of a wetland. Skills: water balance, hydrology. Tools: Python. Simulator, 15–45 h, Software only (free tools).
• Battery Recycling Collection Network — Plan drop-off points to maximise battery collection. Skills: reverse logistics, coverage. Tools: GIS. Visualizer, 15–45 h, Software only (free tools).
• Indoor Air Pollutant Source Finder — Identify indoor pollution sources from sensor patterns. Skills: source apportionment, sensors. Tools: sensors, Python. Data lab, 15–45 h, $30–150.
• Phytoremediation Plant Trial — Test plants for heavy-metal uptake in pots. Skills: phytoremediation, experiments. Tools: plants, soil tests. Data lab, 15–45 h, Software only (free tools).
• Environmental Data Quality Checker — Flag outliers and gaps in monitoring data. Skills: QA/QC, data cleaning. Tools: Python. Data lab, 15–45 h, Software only (free tools).
• Coastal Plastic Drift Simulator — Simulate floating plastic movement with currents and wind. Skills: particle tracking, ocean currents. Tools: Python. Simulator, 15–45 h, Software only (free tools).

Advanced projects

• Constructed Wetland Design Model — Size a constructed wetland for wastewater treatment targets. Skills: wetland design, kinetics. Tools: Python. Simulator, 45–100 h, Software only (free tools).
• Soil Remediation Decision Tool — Compare remediation options by cost, time and effectiveness. Skills: remediation, MCDA. Tools: spreadsheet. Workflow, 45–100 h, Software only (free tools).
• Environmental Sensor Calibration — Calibrate low-cost sensors against reference monitors with regression and ML. Skills: sensor calibration, regression. Tools: Python. Data lab, 45–100 h, Software only (free tools).
• Circular Waste Marketplace Prototype — Match waste producers with users of those materials. Skills: circular economy, matching. Tools: web app, database. Workflow, 45–100 h, Software only (free tools).
• Biodiversity Acoustic Monitor — Detect bird and insect calls from audio recordings to track biodiversity. Skills: bioacoustics, classification. Tools: recorders, Python. Data lab, 45–100 h, Software only (free tools).
• Real-Time Effluent Compliance Board — Monitor effluent parameters against permit limits with alerts. Skills: compliance monitoring, alerts. Tools: sensors, dashboard. Dashboard, 45–100 h, $30–150.
• Flood Resilience Planning Map — Combine flood depth, assets and population to prioritise defences. Skills: flood risk, GIS. Tools: QGIS. Visualizer, 45–100 h, Software only (free tools).
• Microplastic Sampling Data Explorer — Analyse microplastic counts by size, polymer and location. Skills: microplastics, data analysis. Tools: Python. Data lab, 45–100 h, Software only (free tools).
• Satellite Air Quality Analysis — Analyse NO2 from satellite data across a city over time. Skills: remote sensing, air quality. Tools: Sentinel-5P data, Python. Data lab, 45–100 h, Software only (free tools).
• Wastewater Digital Monitoring With Soft Sensors — Estimate COD from easy-to-measure parameters. Skills: soft sensors, ML. Tools: Python. Data lab, 45–100 h, Software only (free tools).
• Carbon Capture Site Monitoring Plan — Design a monitoring plan for a CO2 storage site. Skills: MMV planning, monitoring. Tools: GIS, documents. Workflow, 45–100 h, Software only (free tools).
• Urban Green Infrastructure Optimiser — Place green infrastructure to maximise runoff reduction per cost. Skills: optimisation, stormwater. Tools: Python, GIS. Simulator, 45–100 h, Software only (free tools).
• Desalination Brine Disposal Study — Model brine plume dilution near an outfall. Skills: brine dispersion, modelling. Tools: Python. Simulator, 45–100 h, Software only (free tools).
• Hazardous Waste Tracking System — Track hazardous waste from generation to disposal with manifests. Skills: waste tracking, compliance. Tools: database app. Workflow, 45–100 h, Software only (free tools).
• Noise Barrier Design Tool — Design road noise barriers and predict attenuation. Skills: acoustics, barrier design. Tools: Python. Simulator, 45–100 h, Software only (free tools).
• Forest Fire Risk Index Map — Combine weather and fuel data into a daily fire risk map. Skills: risk indices, GIS. Tools: Python, GIS. Visualizer, 45–100 h, Software only (free tools).
• Environmental Justice Screening Tool — Overlay pollution and demographics to find burdened communities. Skills: equity analysis, GIS. Tools: QGIS. Visualizer, 45–100 h, Software only (free tools).
• Methane Leak Detection With Drones — Plan drone surveys to locate methane leaks. Skills: leak detection, survey planning. Tools: drone data, Python. Data lab, 45–100 h, $30–150.
• Wastewater Reuse Risk Assessment — Assess health risk of reused water with QMRA. Skills: QMRA, risk assessment. Tools: Python. Simulator, 45–100 h, Software only (free tools).
• Sustainable Campus Action Plan — Build an action plan with costed measures and emission reductions. Skills: sustainability planning, MACC. Tools: spreadsheet. Workflow, 45–100 h, Software only (free tools).
• Ecosystem Services Valuation — Estimate the value of ecosystem services of a park. Skills: ecosystem services, valuation. Tools: spreadsheet. Data lab, 45–100 h, Software only (free tools).
• Air Quality Forecasting Model — Forecast PM2.5 a day ahead from weather and history. Skills: forecasting, ML. Tools: Python. Data lab, 45–100 h, Software only (free tools).
• Lake Eutrophication Model — Model nutrient loading and algae growth in a lake. Skills: water quality modelling, nutrient loading. Tools: Python. Simulator, 45–100 h, Software only (free tools).
• Construction Dust Monitoring Network — Monitor site dust and trigger mitigation when limits are exceeded. Skills: monitoring networks, alerts. Tools: sensors, dashboard. Dashboard, 45–100 h, $30–150.
• Climate Adaptation Option Ranker — Rank adaptation options for a town with multi-criteria analysis. Skills: adaptation planning, MCDA. Tools: spreadsheet. Workflow, 45–100 h, Software only (free tools).

Expert projects

• Industrial Symbiosis Matcher — Match waste and by-product flows between industries to cut virgin material use. Skills: industrial symbiosis, optimisation. Tools: Python, database. Simulator, 100 h+, Software only (free tools).
• Watershed Digital Twin — Mirror a watershed's rainfall, flows and quality to test management scenarios. Skills: digital twins, hydrology. Tools: SWAT/Python. Digital twin, 100 h+, Software only (free tools).
• Urban Carbon Budget Tracker — Track a city's emissions against its carbon budget with sector trends. Skills: carbon budgets, analytics. Tools: dashboard. Dashboard, 100 h+, $150+.
• Air Pollution Source Apportionment — Separate pollution sources with positive matrix factorisation. Skills: PMF, source apportionment. Tools: Python. Data lab, 100 h+, Software only (free tools).
• AI Waste Sorting Robot Concept — Combine vision and a picker to sort mixed recyclables. Skills: vision, robotics. Tools: robot sim, Python. Simulator, 100 h+, $150+.
• Climate Model Downscaling Study — Downscale climate projections for local impact studies. Skills: statistical downscaling, bias correction. Tools: Python. Data lab, 100 h+, Software only (free tools).
• Planetary Boundaries Dashboard for a Company — Map a company's impacts against planetary boundaries. Skills: sustainability metrics, boundary framework. Tools: dashboard. Dashboard, 100 h+, $150+.
• Groundwater Optimal Pumping Strategy — Optimise pumping to meet demand without excess drawdown. Skills: groundwater management, optimisation. Tools: Python. Simulator, 100 h+, Software only (free tools).
• Carbon Removal Pathway Comparison — Compare afforestation, DAC and biochar for cost and permanence. Skills: carbon removal, techno-economics. Tools: spreadsheet. Dashboard, 100 h+, Software only (free tools).
• Plastic Pollution Source Tracer — Trace river plastics back to likely sources with transport modelling. Skills: inverse modelling, transport. Tools: Python. Simulator, 100 h+, Software only (free tools).
• Smart City Environmental Sensor Fusion — Fuse sensor networks, satellite and models for street-level maps. Skills: data fusion, mapping. Tools: Python. Data lab, 100 h+, Software only (free tools).
• Wastewater-Based Epidemiology Pipeline — Estimate community health trends from wastewater measurements. Skills: WBE, data pipelines. Tools: Python. Workflow, 100 h+, Software only (free tools).
• Biochar Soil Carbon Study — Measure soil carbon and yield effects of biochar in plots. Skills: soil carbon, field trials. Tools: soil tests, data. Data lab, 100 h+, Software only (free tools).
• Zero-Liquid-Discharge Process Design — Design a ZLD system for an industrial effluent. Skills: ZLD, process design. Tools: process simulator. Simulator, 100 h+, $150+.
• Coral Reef Health Monitoring — Analyse reef images to track bleaching over time. Skills: image analysis, ecology. Tools: Python, datasets. Data lab, 100 h+, Software only (free tools).
• Lifecycle Emissions of EV Batteries — Model cradle-to-grave emissions of battery packs. Skills: LCA, batteries. Tools: LCA tool. Data lab, 100 h+, Software only (free tools).
• Nature-Based Flood Solution Model — Model how wetlands and floodplains reduce downstream peaks. Skills: nature-based solutions, hydraulics. Tools: HEC-RAS-style tool. Simulator, 100 h+, Software only (free tools).
• Environmental Compliance Knowledge Assistant — Answer permit questions with cited regulations using retrieval. Skills: retrieval, regulatory knowledge. Tools: Python. Workflow, 100 h+, Software only (free tools).
• Ocean Acidification Data Explorer — Analyse pH and carbonate data trends from ocean stations. Skills: ocean chemistry, time series. Tools: Python. Data lab, 100 h+, Software only (free tools).
• Regional Circular Economy Model — Model material flows of a region to find circularity gaps. Skills: material flow analysis, circularity indicators. Tools: Python. Simulator, 100 h+, Software only (free tools).
• Methane Emission Inventory From Satellites — Estimate methane emissions from satellite plumes. Skills: inverse modelling, remote sensing. Tools: Python. Data lab, 100 h+, Software only (free tools).
• Resilient Water Supply Under Drought — Test drought management rules for a reservoir system. Skills: drought planning, simulation. Tools: Python. Simulator, 100 h+, Software only (free tools).
• Sustainable Aviation Fuel Pathway Study — Compare SAF pathways by emissions and land use. Skills: bioenergy, LCA. Tools: spreadsheet. Dashboard, 100 h+, Software only (free tools).
• Ecological Network Connectivity Map — Map habitat connectivity for wildlife corridors. Skills: landscape ecology, graph analysis. Tools: GIS, Python. Visualizer, 100 h+, Software only (free tools).
• Environmental Data Platform With Open APIs — Publish monitoring data with standards-based open APIs. Skills: data platforms, APIs. Tools: Python, database. Workflow, 100 h+, Software only (free tools).

Project ideas for every branch · Environmental Engineering roadmap