T1 (Foundations) Case Studies Flashcards
1
Q
Environmental Movement Examples
A
1952 - Great London Smog kills 4,000 1962 - Silent Spring published 1970 - first Earth Day 1974 - CITES started 1979 - Gaia Hypothesis 1986 - Chernobyl disaster 2006 - An Inconvenient Truth
2
Q
Environmental Value Systems (EVS)
A
Christians - Stewardship for environment - Genesis - earth God's gift Buddhists - Humans part of nature - Interdependence - 'save and not waste'
3
Q
EVS Conflict
A
Native Americans and European Pioneers
- native tribes sustainable and ecocentric prior to colonisation
- Europeans used resources, industry, overpopulated
4
Q
Holistic Approach
A
Gaia Hypothesis
- Proposed Earth as a single living system
5
Q
Sustainability
A
Millennium Ecosystem Assessment 2001
- Scientific appraisal of global ecosystem and its services
- found humans changed ecosystem faster last 50 years than any other period
- need serious change in policies and practises
- Humans depleting natural capital faster than it can be restored
6
Q
(Dam) Hydroelectric Power
A
Three Gorges Dam, Yagtze River, China
- flooded 175m above sea level (660km reservoir formed)
- Changes in river flow and siltation
- 1/8 country’s electricity
- EIA found 47 endangered species
- impacted fishing and so economy
- Flooded 13 cities and 140 towns
- 2mn resettled 2012, 4mn 2020
7
Q
Pesticide (Bioaccumulation and Biomagnification)
A
DDT
- used to kill mosquitoes - malaria = 4-5,000 tonnes a year (initial success) - WHO
- 70s/80s agriculture use banned & pest control replaced
- caused illness (farmers), pregnancy complications and infertility in Africa
