the activity of selling goods to the public retail the powerful effect that something has on something else an impact to buy something to purchase the calculation of how much CO2 a person, company, organisation, etc. produces, which is used to measure the environmental damage they cause carbon footprint a place where large amounts of rubbish are buried in the ground landfill a person or shop that sells goods to the public a retailer a group of people that organises actions or protests to achieve a particular aim a campaign group relating to the relationship between plants, animals, people, water, land, air, etc. ecological