It is known for along time that the earth's atmosphere self cleanses itself naturally, so wouldn't
an effort on are part beneficial to help mother nature for all concerned ?
I've read that scientific study and I find it weak and based off subjective theory.
Personally I think going green is a smart and forward looking agenda that
all mega nations like China and India should be forced into enacting,
those countries are said to grow leaps and bounds and their populations are at a billion a piece.