Ecology Calculator contains many tools that can be measured for individuals, city, country or region. Tools included - Bag Footprint Calculator - Christmas Tree Footprint Calculator - COVID-19 Waste Calculator - Cryptocurrency Footprint Calculator - Flight Carbon Footprint Calculator - Hand Drying Footprint Calculator - Kaya Identity Calculator - Meat Footprint Calculator - Plastic Footprint Calculator - Tree Benefits Calculator - Hydroelectric Power Calculator - Solar Panel Calculator - Wind Turbine Calculator - Books vs e-Books Calculator - Car vs. Bike Calculator - Cigarette Butts Cleanup Calculator - CO₂ Breathing Emission Calculator - Fish Mercury Calculator - Plug-in Hybrid Economy Calculator - Shannon Diversity Index Calculator - Smog Calculator - Tap Water Calculator