Here's an excerpt from our blog post on calculating our environmental impact:
We calculated these food recovery statistics based on the records of the foods Imperfect has purchased. Whenever we make a purchase, we work with the vendor to understand where the food would have gone had we not purchased it, so we know how many pounds of food we’re saving from a lesser outcome.
Over the past year and a half, we have partnered with Watershed to intensively measure the carbon impact of each area of our business and operation. They have also helped us identify the carbon savings of our sourcing model, including the total amount of emissions that are saved through sourcing foods that would have gone to waste. You can see the impact of these saved or “avoided” emissions above and on your My Account page.
Our water savings come from calculating the water footprint of the food that we keep save from a lesser outcome where the water would have truly been used in vain (such as landfill or being left in the field) with data coming from the Water Footprint Network, UNESCO, and the USGS.
For instructions as to how to view your personal impact stats, please click here.