Selling is not as important as providing you the correct information, because you are an aware consumer and citizen and more than that, you are a human being.
It is because of us humans that the environment in which we can live is slowly deteriorating. The reason behind this, even if unknowingly, is us and our habits. If we change those habits even slowly, then in the coming times, the thing which is slowly deteriorating will stop somewhere and buds of improvement will also bloom in it. If you are concerned about the future generations, then you will definitely give place to my words somewhere in your life. We are talking to you with this hope.