Answer:
greenwashing
Explanation:
Greenwashing -
It is the process , where the company spends more amount of time and monetary value on marketing the company as environmentally friendly , rather than decreasing the impact on environment , is referred to as greenwashing.
It is basically a advertising stunt , in order to mislead the consumers , who buys the products just because the product is environmentally friendly.
Hence, from the question ,
the practice performed by the company is greenwashing.