Ecology tool map
Carbon & emissions
Travel, energy, and activity emissions estimates.
Choose the tool whose inputs and output match your task. Check each calculator’s assumptions and limitations before using its result.
CO2 Breathing Emission Calculator
Convert an entered breathing scenario into CO₂ gas volume and mass for a selected duration.
Composting Impact Calculator
Multiply food-waste mass by user-selected avoided-emissions and compost-yield factors.
Flight Emissions Calculator
Separate a user-factor base flight CO₂ scenario from an optional non-CO₂/radiative-forcing scenario.
Food Miles Calculator
Calculate transport-only emissions from shipment mass, distance, and a transport factor you enter.
Meat Footprint Calculator
Apply a user-selected lifecycle factor to an entered serving scenario.
Plastic Footprint Calculator
Convert an entered item frequency and measured mass into an annual mass scenario.
Solar Panel Carbon Offset Calculator
Estimate solar panel carbon offset from rated system size, sun hours, regional grid intensity, and the calculator's preserved performance and manufacturing assumptions.
Zero Waste Christmas Tree Calculator
Compare Christmas tree carbon impacts for natural, artificial, and reused-material options using the calculator's exact size, transport, disposal, and reuse assumptions.