EESA10 Lecture 1.docx

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Environmental Science
Jovan Stefanovic

EESA10 Lecture 1  Textbook: life support: the environment and human health. Michael McCally, MIT press, Cambridge, 2002 – any edition  Assignments (2) – 30% (15% each) – 1 month break between the 2 assignments  mid-term examination: 30% - first half of the lectures nd  Final examination: 40% not cumulative – 2 half of the lectures  TA’s will help to do the assignments during their office hours  TA’s office: SW511A  Mid term: 1 hr, multiple choice and true-false questions lectures 1-6  Final: 1 hr, same as midterm, lectures 7-11  Questions will be on the exam from videos  Environmental health threats: we can adjust daily routine to reduce threats, your environment is your health – these statements are old -when we realize everything around us has an impact.  Environment is everything that affects a living organism  Effect of environment on human health is so great – air, water, soil, biota, manmade environment (created by society), volcano is a physical hazard.  Beside all chemical and physical impacts- some people will be impacted and others may not be affected.  What is environmental health? According to the who: in its broadest sense, environmental health comprises those aspects of human health, disease.  According to the Who” This includes the study of both the direct and the indirect pathological effects of various: chemical, biological, physical, social agents (housing, urban development, land use, transportation)  Environmental crisis: human alteration of earth. Atmosphere: CO2 increased 30% since the beginning of the industrial revolution, lots of carbon dioxide.  Worries about environments because its in crisis.  Environmental hazards Started off with industrial revolution  Geosphere: 1/3 to ½ of the land surface has been transformed by human action  Biosphere: another part of the environment, clear cutting, forests, trees  Industrialization – great disrupters, pesticide distribution, dioxins.  Overpopulation and overconsumption – affects human health – leads to more problem in future, actions that can be done, birth rate and death rate and how it affects human health.  Overconsumption – lots of base and landfills  Health effects of pollution – air pollution, water pollution, soil contamination.  The declining health of other organisms is the clearest indicator of environmental threats to human health – no single factor is responsible: increase UV, Traces of toxic chemicals, infections (fungi and bacteria), predators.  Living creatures are in jeopardy.  Climate change –make educated guess. – the number of frogs are declining – there’s no single fact that can be responsible.  We’re exposed to many chemicals.  Environmental health – environmental factors responsible for 25% of all preventable diseases – in a developing countries diarrhea and respiratory infections are heading the list  Protecting the environment has been a mainstay of public health practices since 1978  Reach and poor, African Americans and Hispanic- low income and whites [high income] –income differences. – people with the low income always go for cheaper housings – the quality is not as good as expensive housings. Food – cheaper choices, not that great quality, may contain pesticides.  Developed and developing countries. Problems occur even in developed
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