Download - Period 6 1900-1914
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Period 6 1900-1914Accelerating Global Change and Realignments
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Key Concept 6.1- Science and the Environment Rapid advances in science altered the
understanding of the universe and the natural world and led to the development of new technologies. These changes enabled unprecedented population growth, which altered how humans interacted with the environment and threatened delicate ecological balances at local, regional, and global levels.
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Communication
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New modes of communication virtually eliminated the problem of geographic distance
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Transportation
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New modes of transportation virtually eliminated the problem of geographic distance
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New scientific paradigms transformed human understanding of the world
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The Theory of Relativity http://
www.youtube.com/watch?v=fEZupmpTcOU
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Quantum Mechanics http://
www.ted.com/talks/aaron_o_connell_making_sense_of_a_visible_quantum_object.html
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Big Bang Theory Galileo and Copernicus were sort of
right, but it’s not that simple.
• … and we are sort of insignificant
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Psychology We can even scientifically study
how the brain works.
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Paradigm Shift So how did new scientific paradigms
transform human understanding of the world?
Which of these ideas had the biggest impact? Why?
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Green Revolution Post WWII population explosion
Lots of babies Smallpox eradicated New technology/sanitation decreased
malaria, cholera, typhoid, tuberculosis, and plague
Medical innovations: polio vaccine, antibiotics, artificial heart
Economists project world food shortages by the 70’s
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Green Revolution Technology to the rescue!
GMO crops Chemical fertilizers
Major increase in productivity BUT…
Huge profits IMF involvement Pollution- waterways Decline in crop diversity
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Energy Technology Oil
Everyone buys a car People like to buy more and more
stuff that needs transportation Oil got big. Really big. Politics in Middle East and Africa Global warming
Nuclear- after the bomb, what else can we use this energy for?
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Competition over resources What resources? How does this compare to previous
periods?
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Global Warming Bangladesh, Maldives
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Pollution Air Water
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Deforestation
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Desertification
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http://www.youtube.com/watch?v=5eTCZ9L834s&feature=share&list=PL8dPuuaLjXtNdTKZkV_GiIYXpV9w4WxbX
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Demographic Shifts Disease Birth Control Military
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Disease Diseases associated with poverty
Malaria Tuberculosis Cholera
Emergent epidemic diseases 1918 flu Ebola HIV/AIDS
Changing lifestyles and increased longevity led to higher incidence of certain diseases
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Birth Control
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Wartime Casualties New military tactics
Trench Warfare Firebombing
“Improved” military technology Tanks Airplanes Atomic bomb
Wartime casualties Nanjing Dresden Hiroshima