There are clear ways to reduce harmful amission that affect on the nature. Instead of using transportation for short place it is so beneficial for both the health of people and environment to use bikes and walking.
Moreover at the factory energy using is the first class as well as its harmful affects. So using wind and the ray of sun can level off the thread to the nature, as well. In fact most of carbon footprints are used in building and other sectors in society. Anyway, first of all it depends on people themselves to save life.