About the data

With this metric based on the "GRI 306-2 Waste by Type and Disposal Method" standard, we aim to assess companies' efforts to measure and publish data related to the management and recycling of their hazardous waste.
In the case of supermarkets, this waste can be batteries, fluorescent bulbs, used oil, car batteries and fluorescent bulbs containing mercury, electronic and computer equipment, toners, etc...
Not to be confused with hazardous waste collected from customers via in-store collection points

Answers are calculated as a weighted average. To find a weighted average of a group of numbers that have been normalized to the same 0-10 scale, you simply multiply each number by its weight (percentage) and add them up