A second-hand item is a product that has already been owned or used by others.
[adjective]
A second-hand item is a product that has already been owned or used by others. It can be resold or given as a gift to someone else to extend the life of the product. Among the benefits of buying second-hand is finding unique items, saving costs, helping the environment and preserving natural resources.
e.g. A second-hand garment can be a unique piece for one’s closet.
From ECONYL® Blog
Carbon Offsetting
Carbon offsetting is the practice of compensating for greenhouse gas emissions by funding projects that reduce or remove emissions elsewhere.
Upcycling is the process of transforming waste materials, by-products, or unwanted products into new items of higher value, quality, or environmental benefit.