According to a scientific study, about one in every eight deaths is somehow associated with air pollution. Air pollution occurs when harmful substances including particulates and biological molecules are introduced into the earth's atmosphere, which is composed of the layers of gases commonly known as air. An air pollutant is a substance in the air that can have adverse effects on humans and ecosystems. Primary pollutants are produced from things like carbon monoxide from motor vehicles, while secondary pollutants form in the air. LungstibContact: Bangkok Post Building136 Na Ranong Road Klong Toey, Bangkok 10110fax: +02 6164000 Email:postbag@bangkokpost.co.thAll letter writers must provide full name and address.

Source: Bangkok Post February 09, 2019 21:45 UTC