ENV-0007 Lecture 34: Lecture 34- Human Health and Environmental Risks
3 Dec 2016
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Document Summary
Human health & environmental risks- changing the world. Graphic- shows interconnectedness of all of the global climate crisis and how is has/will impact human health*** Extreme changes in weather and storms can also lead to an increase in mental health diseases. What is pollution: the presence in, or introduction into, the environment of a substance that is harmful to a living organism. Sewage, waste from a factory: non-point source- something that has been transported/ transferred many distances away. Pollutant was released at one location but is transferred to a different ecosystem. Oil spill rain transfer into water ways: mobile sources. Or the water system was transported to another town: lead poising from jeweler- workers/ jeweler, fossil fuel burning in 20th century. Increased human population density spread of disease. Harmful substances: chemicals and materials: toxic heavy metals. Ex: hat makers were exposed to high level of mercury mental problems (cid:862)(cid:373)ad hatter(cid:863: persistent organic pollutants.
