goals, history and background. what is an “environmental issue”? what are the basic causes of...
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Environmental Systems
Goals, History and Background
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What is an “environmental issue”? What are the basic causes of current
environmental problems What does it mean to be an environmentally
sustainable society? What is your impact or your “ecological
footprint”?
Overview
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____________ study organisms in their natural environment, their home
Who studies this stuff?
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Environmentalism is NOT the science of anything, it is a political movement
E___________ P___________ A___________
◦ Was constructed originally by ______________in 1970
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We study the Earth with help from organizations like ________________
NASA stands for ◦ _____________________◦ AERONAUTICS◦ (and) _______________◦ ADMINISTRATION
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To learn how nature works To learn how the environment affects us and
how we affect the environment To learn how humans can live sustainably
on Earth
Why study this stuff?
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Habitat destruction and degradation
Key Environmental Concerns
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Depletion of renewable and non-renewable resources
Pollution Climate change Loss of species biodiversity
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Human population growth Wasteful use of resources Poverty Poor environmental accounting Lack of environmental education
Popular Theories on Causes
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Sustainability creates and maintains the conditions under which humans and nature can exist in productive harmony, that permit fulfilling the social economic and other requirements of present and future generations.
-from EPA website
What is Sustainability?
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“an environmentally sustainable society meets the basic resource needs of its people in a just and equitable manner without degrading or depleting the natural capital that supplies these resources” –Living in the
Environment by Miller
How would this be achieved?
http://www.youtube.com/watch?v=B5NiTN0chj0
What is a Sustainable Society?
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An ecological footprint is a measure of the demand of a human on the Earth’s ecosystem.
The amount of biologically productive land and water needed to supply an individual with the renewable resources he/she uses and to absorb or dispose of the wastes from such resource use
What is an Ecological Footprint?
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History
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NOPE◦ Crop Rotation
History of it in Roman Literature In Greek Literature
So…this is a new thing right?
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1962◦ DDT
Rachel Carson http://www.youtube.com/watch?v=Ipbc-6IvMQI
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1969 http://www.youtube.com/watch?v=nlHiaZFvcXA
Cuyahoga River Catches Fire
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April 1970, First Earth Day
1970, Nixon creates EPA Clean Air Act Clean Water Act Endangered Species Act
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1984◦ Pesticide gas leaked from aplant exposing >500,000 people
3,787 immediately killed >8,000 within two weeks
◦ Caused premature death for thousands more◦ Light shown on need for environmental safety standards
Bhopal, India
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1986◦ Largest ever recorded uncontrolled radioactive release for any civilian Operation-32 died immediately-~5,000 have died fromcancer and radiation exposure◦ Released in air for 10 days-Contaminated millionsof acres of farmland
Chernobyl, Ukraine