Water Quality CRK Admin 2015-06-04T10:38:40+00:00. The Chattahoochee River is the most heavily used water resource in Georgia. From north Georgia to the Florida line, the riverâs watershed faces many threats to its health including stormwater and wastewater pollution from urban, industrial, and agricultural sources.
Medical Definition of Exacerbation. Exacerbation: A worsening. In medicine, exacerbation may refer to an increase in the severity of a disease or its signs and symptoms. For example, an exacerbation of asthma might occur as a serious effect of air pollution, leading to shortness of breath.
As the lungs tend to be vulnerable organs due to their exposure to harmful particles in the air, several things can cause an acute exacerbation of COPD: 1  Respiratory infection, being responsible for approximately half of COPD exacerbations. 2  Allergens, e.g., pollens, wood or cigarette smoke, pollution. 3  Toxins, including a variety of different 4  .... Ch