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Energy Efficiency
Energy efficiency measures the ratio of energy inputs (e.g., fuel, labor) to caloric outputs (food produced).
Inputs
Inputs are the resources and energy needed to produce food.
Outputs
Outputs are the results of the food production process.
Processes
Processes are the activities that convert inputs into outputs.
Water Footprint
The water footprint is the total volume of freshwater used to produce the goods and services consumed by a person or population, split into green (rainwater), blue (surface and groundwater) and grey (the volume needed to dilute pollution to water quality standards).