It is a very easy question, if anybody asks you to say something about the demerits of smoking. All of our internal organs like, lung, heart etc are seriously harmed by the bad effect of smoking in result.
On the other hand, we are the child of Mother Nature, what I think everybody should understand or feel in every steps of life. But to make our life more comfortable, luxurious and so called secured we are burning our mother nature’s properties, and just ruining the nature and making the environment unsustainable and unsuitable for our living.
Take the brickfield as an example. We are burning our soil to turn it into brick, as it side effect we are committing a series of environmental suicide, like: soil erosion causing infertility, deforestation causing draught or over-floor, soil erosion and many types natural disaster. We are turning the earth unfit for our living by our own. To make it better it is our duty to make the better way out. To make the planet green again to make it coolest home for any species of flora or fauna.