Answer:
Ethnics are the social rituals which differ from a certain region to region or certain society to society.There may be different ritual regarding god . As per the ancestors have done that rituals are conducted. And this ritual ethics can surely help to controll environmental pollution.
For example-:
In the context of hindu religion ,Tulshi is regarded as one of the imporant god which helps to maintain this air (which actually does) .So regarding that in we can fimd tulshi in every house of hindu .Not only that budhhism belives that Peepal tree is a holy tree where Lord Gautam budhha became enlightened . So we can find Peepal tree in huge number around gumba .
Explanation:
And I think this ethnics play an important role in controlling environmental pollution .And from this all you may get some ideas and write in 3000 words