6.1 Science and the Environment
Period 6 – Accelerating Global Change and Realignments, c. 1900 CE to present
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 disrupted ecological balances at local, regional, and global levels.
Illustrative examples, diseases associated with poverty:
- Malaria
- Tuberculosis
- Cholera
Malaria Animated
How The Body Reacts To Tuberculosis
The Story of Cholera
Illustrative examples, emergent epidemic diseases:
- The 1918 influenza pandemic
- Ebola
- HIV/AIDS
The 1918 Pandemic: The Deadliest Flu in History
Ebola: The Deadliest Outbreak Explained
1985: The Aids Virus: Patient Zero
Illustrative examples, diseases associated with changing lifestyles:
- Diabetes
- Heart disease
- Alzheimer’s disease
Understanding Type 2 Diabetes
Mayo Clinic Minute: What is heart disease?
What is Alzheimer's disease? - Ivan Seah Yu Jun
More effective forms of birth control gave women greater control over fertility and transformed sexual practices.
New military technology and new tactics and the waging of “total war” led to increased levels of wartime casualties.