I'm pretty sure India's is worst but nobody is performing these kind of studies in India. We will learn damages when it's too late.
It's exactly like pollution nobody gives a damn here about it. This is going offtopic but check pollution data for India its same as that of China. At least China has proper facilities for measuring the air quality.
It's exactly like pollution nobody gives a damn here about it. This is going offtopic but check pollution data for India its same as that of China. At least China has proper facilities for measuring the air quality.