ARE TINY PARTICLES IN OUR AIR A DANGER TO US?

This is a very important question as the quest to make our air ever cleaner gets ever harder and more expensive - very expensive indeed. We are constantly bombarded with very scary stories about this, and quite rightly we are very concerned. Of course by far the biggest polluter of our lungs is smoking and most of us now believe that this is a very harmful activity, and yet around 20% of us still light up. Compared with smoking, the amount of small particles we breathe in our city air here in the West is much lower and yet we are being warned that "there is no safe level" of these particles. As the fear of climate change is declining it is becoming very important to the alarmists that the public believe that removing these particles is essential at any cost. So here is an interesting article on this subject.