ozone
Reactants that form ozone come from natural and human sources
Submitted by Jeanna Yu on Fri, 01/09/2009 - 09:54
Most emissions, such as volatile organic compounds (VOCs) and nitrogen oxides (NOx), come from both anthropogenic (human-caused) and natural sources. Although it is useful to know how much comes from natural sources, only anthropogenic sources can be controlled.
VOCs and nitrogen oxides are both naturally occuring pollutants that combine in heat and sunlight to form ground-level ozone (O3), which is known to cause respiratory and cardiovascular problems. Ozone pollution can also damage trees and other wildlife. READ MORE »
