id author title date pages extension mime words sentences flesch summary cache txt cord-018095-for6qa1s Chandrappa, Ramesha Major Issues of Air Pollution 2015-08-22 .txt text/plain 12587 707 53 Issues like atmospheric brown cloud, climate change, hazardous air pollutants, black/muddy snow which are hardly discussed few decades back have now gaining importance. Air pollutant can affect plant physiological or biochemical processes resulting in significant loss of growth/yield as well as changes in nutritional quality (Ashmore and Marshall 1999) . The change in land use has also affected the production and transport of natural air pollutants like dust, pollen grains, spores, virus and bacteria. Health forests across the world is being affected by Air pollutants due to increasing tropospheric ozone concentrations, raise atmospheric carbon dioxide concentrations, as well as acidic precipitation. Crop failure can occur due to-(a) impact of air pollutants on crop's health, (2) climate change, (3) UV ray penetration due to damage to ozone layer. Surface level Ozone is a secondary air pollutant created in the atmosphere from the oxidation of NO x under bright sunlight as well as volatile organic. ./cache/cord-018095-for6qa1s.txt ./txt/cord-018095-for6qa1s.txt