GEO 716 Lecture Notes - Lecture 1: Life-Cycle Assessment, Precautionary Principle, Pollution Prevention
13 Sep 2016
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Document Summary
Defined as: the presence in or introduction into the environment of a contaminant or pollutant which has harmful or poisonous effects. Contaminants can come in many forms: such as chemicals (metals, inorganics, organics), particles (dust), pathogens, genetic, radiation, noise. In 2012, who estimated the global disease burden attributable to modifiable environmental factors. Things we can change and protect: children are most affected in developing countries. In canada about 13%of all preventable diseases related to environmental causes such as pollution: environmental contaminants estimated to result 3. 6-9. 1 billion dollars in annual health care cost. Risk: the probability of an adverse health outcome resulting from exposure to a hazard, is a function of the likelihood of occurrence and severity (consequences) of a hazard, it is expressed as a percentage. Point sources: localized and discrete contamination (e. g. spills, leaks, discharges, ex: one focused point such as leak from a pipe.
