1 population, urbanism & the environment. 2 world population l currently –6.2 billion l most...
TRANSCRIPT
![Page 1: 1 Population, Urbanism & the Environment. 2 World population l Currently –6.2 Billion l Most of human history the population of the entire earth was 500](https://reader036.vdocuments.mx/reader036/viewer/2022082613/5697bf851a28abf838c87a5b/html5/thumbnails/1.jpg)
1
Population, Urbanism & the Environment
![Page 2: 1 Population, Urbanism & the Environment. 2 World population l Currently –6.2 Billion l Most of human history the population of the entire earth was 500](https://reader036.vdocuments.mx/reader036/viewer/2022082613/5697bf851a28abf838c87a5b/html5/thumbnails/2.jpg)
2
World population
Currently
–6.2 Billion Most of human history the
population of the entire earth was 500 Million (1/2 billion)
![Page 3: 1 Population, Urbanism & the Environment. 2 World population l Currently –6.2 Billion l Most of human history the population of the entire earth was 500](https://reader036.vdocuments.mx/reader036/viewer/2022082613/5697bf851a28abf838c87a5b/html5/thumbnails/3.jpg)
3
Demographic terms
Fertility–Amount of childbearing in a
population–Several measurements of this
Crude birth rate–Live births per 1,000 people each
year
![Page 4: 1 Population, Urbanism & the Environment. 2 World population l Currently –6.2 Billion l Most of human history the population of the entire earth was 500](https://reader036.vdocuments.mx/reader036/viewer/2022082613/5697bf851a28abf838c87a5b/html5/thumbnails/4.jpg)
4
Demographic terms (Cont.)
Fecundity rate
–Maximum possible childbearing Sex Ratio
–Males for every 100 females
![Page 5: 1 Population, Urbanism & the Environment. 2 World population l Currently –6.2 Billion l Most of human history the population of the entire earth was 500](https://reader036.vdocuments.mx/reader036/viewer/2022082613/5697bf851a28abf838c87a5b/html5/thumbnails/5.jpg)
5
Concepts
Pop. doubling time
–Rule of 70
•Growth rate divided into 70 Age-sex pyramids
![Page 6: 1 Population, Urbanism & the Environment. 2 World population l Currently –6.2 Billion l Most of human history the population of the entire earth was 500](https://reader036.vdocuments.mx/reader036/viewer/2022082613/5697bf851a28abf838c87a5b/html5/thumbnails/6.jpg)
6
Malthusian theory
Food increasing arithmetically Pop. Increasing geometrically Result : People reproducing
beyond what the planet can support
![Page 7: 1 Population, Urbanism & the Environment. 2 World population l Currently –6.2 Billion l Most of human history the population of the entire earth was 500](https://reader036.vdocuments.mx/reader036/viewer/2022082613/5697bf851a28abf838c87a5b/html5/thumbnails/7.jpg)
7
Neo-malthusians
Agree with Malthus and the “Limits to growth” thesis
Out-stripping resources Poisoning the planet
![Page 8: 1 Population, Urbanism & the Environment. 2 World population l Currently –6.2 Billion l Most of human history the population of the entire earth was 500](https://reader036.vdocuments.mx/reader036/viewer/2022082613/5697bf851a28abf838c87a5b/html5/thumbnails/8.jpg)
8
Anti-malthusians
6X more people on earth Living longer, healthier lives
![Page 9: 1 Population, Urbanism & the Environment. 2 World population l Currently –6.2 Billion l Most of human history the population of the entire earth was 500](https://reader036.vdocuments.mx/reader036/viewer/2022082613/5697bf851a28abf838c87a5b/html5/thumbnails/9.jpg)
9
Demographic Transition Theory
Population patterns reflect a society’s level of technological development
![Page 10: 1 Population, Urbanism & the Environment. 2 World population l Currently –6.2 Billion l Most of human history the population of the entire earth was 500](https://reader036.vdocuments.mx/reader036/viewer/2022082613/5697bf851a28abf838c87a5b/html5/thumbnails/10.jpg)
10
Zero Population growth (ZPG)
Two people produce two people Maintains population at a steady
state
![Page 11: 1 Population, Urbanism & the Environment. 2 World population l Currently –6.2 Billion l Most of human history the population of the entire earth was 500](https://reader036.vdocuments.mx/reader036/viewer/2022082613/5697bf851a28abf838c87a5b/html5/thumbnails/11.jpg)
11
Urbanism
Durkheim
–Mechanical solidarity
•People bound by similarities
–Organic solidarity
•People bound by differences
![Page 12: 1 Population, Urbanism & the Environment. 2 World population l Currently –6.2 Billion l Most of human history the population of the entire earth was 500](https://reader036.vdocuments.mx/reader036/viewer/2022082613/5697bf851a28abf838c87a5b/html5/thumbnails/12.jpg)
12
Environment (summary)
Acid rain Global warming
![Page 13: 1 Population, Urbanism & the Environment. 2 World population l Currently –6.2 Billion l Most of human history the population of the entire earth was 500](https://reader036.vdocuments.mx/reader036/viewer/2022082613/5697bf851a28abf838c87a5b/html5/thumbnails/13.jpg)
13
Acid rain
Sulfur dioxide
![Page 14: 1 Population, Urbanism & the Environment. 2 World population l Currently –6.2 Billion l Most of human history the population of the entire earth was 500](https://reader036.vdocuments.mx/reader036/viewer/2022082613/5697bf851a28abf838c87a5b/html5/thumbnails/14.jpg)
14
Global warming
Average temperature of the planet is rising
Northwest passage (over Canada and Alaska) may soon be a passage for ships
Carbon dioxide