Environmental Engineering
Carbon, water, air & green compliance
Carbon Footprint Estimator (basic)
Estimate basic CO₂e emissions
Wastewater Treatment Reference
Treatment stages and parameters
Air Quality Index Calculator
AQI from pollutant concentration
Noise Level Reference
dB levels of common sources
Water Quality Parameter Reference
pH, BOD, COD, TDS ranges
Stormwater Runoff Estimator
Rational method runoff
Soil Contamination Reference
Common contaminants & thresholds
Renewable Energy Sizing Tool
Solar/wind sizing basics
Environmental Impact Checklist
EIA project checklist
Green Building Compliance Reference
LEED & similar criteria