EAYH Lecture 3 Sept 6-2 - EAYH Lecture 3 Impact of Humans...

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EAYH Lecture 3 9/6/11 Impact of Humans on the Environment and of the Environment on Human Health: Part 2 No handout today. It will be online. Thursday- Environmental Law moved to next Tuesday. Needs, wants, wants (come from INDUSTRY ) drive the actions we take that affect our environment The Industrial Process and the Environment Chemical inputs (raw materials), power inputs (gas, oil, coal) , other inputs ( water) these create INDUSTRY, which causes air pollution, water pollution, toxic waste, and the product itself this is why we need regulations on industry to control their waste and other byproducts we need to be cognizant of where waste is at, it's potential harms to human and environmental health Types of Waste Municipal Solid waste (waste individuals, restaurants, businesses, hotels, etc. generate) Medical waste (from hospitals) Hazardous waste Industrial waste manufacturing, mining, agriculture, coal combustion, oil and gas production Radioactive waste spent fuel high level low level uranium mill tailings- where we mine uranium for nuclear reactions. Abandoned uranium mills pose significant health problems for Native Americans in SW America. radon- exhalation gamma radiation dust blowing (radium, arsenic) dam failure( erosion, flood, earthquake, heavy rain) seepage (uranium, arsenic, . ..) Causes for Increased Waste Generation demographic changes (population has massively expanded) degree of urbanization (has increased) consumer preference demand for convenience ahead of the environment little economic incentive for Americans to reduce waste Waste Categories and Generated Amounts MAJOR source of waste we have to deal with comes from INDUSTRIES 2 nd highest source – animal waste. *Nationwide, 130x more animal waste than human waste (CAFOs) 93.7% of waste is from industry. 5% hazardous.
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Regulation of waste 1934: US Supreme Ct banned dumping of municipal wastes at sea late 1950s: US Public Health Service regulations prohibited feeding of raw garbage to hogs (concerns about trichinosis and cholera) 1972: Marine Protection, Research and Sanctuaries Act : banned ocean dumping of industrial waste, sewage sludge, radioactive wastes, and all radiological, chemical, and biological warfare agents 1976: Federal ban on open dumping of municipal waste “the 4 Corners”- map of East Baltimore. One corner was former municipal waste site. Now buried and covered over. One corner was abandoned/old steel mill (Brownfield)- contaminated with metals, chemicals, etc. Another corner is recycling site. One corner is park. Surrounded by houses, where children get treated medically.
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This note was uploaded on 01/19/2012 for the course PUBLIC HEA 280.335 taught by Professor Dr.trush during the Fall '11 term at Johns Hopkins.

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EAYH Lecture 3 Sept 6-2 - EAYH Lecture 3 Impact of Humans...

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