I am sure you have noticed that every vendor out there has been trying to market their product or the way the product is manufactured as earth or environment friendly.
However, some if these vendors have been taking advantage of this new trend and this is where the word Greenwashing comes about.
Greenwashing is the practice of making an unsubstantiated or misleading claim about the environmental benefits of a product, service, technology or company practice.
Here is more information on this term.