Companies are practicing which is the practice of marketing products or services as being environmentally friendly with the purpose of gaining public approval and sales rather than actually improving the environment.

Green Sheen

Explanation:

Green sheen is the practice that companies do in which a deceptive PR campaign is done to show how environment friendly the company is. In other words the activities a company does in order to show that the company is concerned about the environment.

As the demand for environmentally friendly products has grown Green sheen practices have also increased.

It is also known as Greenwashing.

i have to go with a for this one