study of various population factor and its effect
TRANSCRIPT
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THE REAL QUESTION OF THE HOUR ?
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Example: U.S. HistoryWhen became
industrial, fewer kids/familyLowered infant
mortalityNo need to rely on
children’s laborMore
opportunities for women
Happened without birth control
Ford Motor assembly linehttp://websupport1.citytech.cuny.edu/Faculty/pcatapano/lectures_us2/Model_T_Assembly_Line.jpg
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Asia: 6.4 Billion
China:: 1.3 BillionIndia: : 1.1 Billion
Africa: 885 MillionAmericas: 875
MillionEurope:: 727
MillionOceana: 32 Million
http://www.extension.umn.edu/distribution/livestocksystems/images/7220f03.gif
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High Investment High Standard of Living High Population Growth Low Standard of
Living Divergence of per capita Incomes: 1800–
1950.
6-5
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Things are good and getting better: Worldwide standard of
living Education Health Trade
People are an asset. Population causes
shortages which raise prices, stimulating
entrepreneurs to satisfy the shortages.
We end up better off as a result.
Julian Simon
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Lets See………
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Progress
Population stimulates economy: progress. We are all better off
Poor
Elite
Elite
Poor
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Adoption and spread of agriculture have trapped humanity in a spiral of Population growth Ecological destruction Social tyranny.
The problem stems from the anti-ecological culture (religion) of agricultural societies
humans believe they are above and not part of nature (global ecosystem)
and therefore can destroy it at will.
Civilization is based on Agriculture
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Hunters & Gatherers
Agriculture
Population GrowthTechnology
Conquest for land
Food production
Culture
Expanding population & environmental destruction
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Elite
Poor
Agriculture, Anti-Ecological Religion
Social Tyranny
Wealth Resources
Over-Population, Ecological Destruction
Root Causes
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Inequity
Poor Over-Population
Ecological Destruction
Elite
Wealth
= Root Cause
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http://shoesforhumanity.org/images/graph.gif
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50 male 50 female
61 Asians 13 Africans 12 Europeans 9 Latin Americans 5 USA and Canada 1 South Pacific
75 nonwhite 25 white
67 non-Christian 33 Christian
60 mistrust their own governments
(Source: Family Care Foundation; 100 people.org)
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47 are urban dwellers 15 live in urban slums
33 attempt to live on 3% of global income
6 control 50% of the entire world’s wealth Most are U.S. citizens
1 has a college education
1 owns a computer 1 near birth
1 near death
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Poverty is extreme and widespread
Society denies security and opportunity to people
Infant mortality is high Most people can’t get
land, jobs, education, health care, old age security
Few opportunities for women outside of homeBangladesh mother
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Labor forceChance for a job
in citySecurity
major investment
rational choice
218 million children workhttp://mancelovici.files.wordpress.com/2007/07/nike_child_labor.jpg
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Powerful predictor of lower fertility
Reflects opportunity in society
http://upload.wikimedia.org/wikipedia/commons/thumb/b/b8/Girls_in_school_Gujarat.jpg/800px-Girls_in_school_Gujarat.jpg
Girls in school, India
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Sri Lanka: lower price rice
○ led to population decline Cuba:
low prices for food and health care○ reduced population rate from 4.7 to
1.6 Kerala, India:
lower price rice, kerosene ○ 1/3 birth rate of average in India○ Literacy for women is 2.5 times
average in IndiaKerala, India
http://www.kerala-tourism-india.com/gifs/woman-harvesting-rice-fields-lower.jpg
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Birth Control is responsible for only 15-20% total fertility decline Thus population growth cannot be
brought down simply by family planning or contraception
but it can speed the declineContraceptive use in Developing
World has increased 9% in 1960 60% in late 1990s
Demographic Transition requires improved Health Social Security Education
IUD: Intra Uterine Device
http://www.plymouth.edu/wsgr/iud.jpg
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http://www.who.int/healthinfo/statistics/15.whostat2005map_totalfertilityrate.jpg
A Real hand to hand result
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1979 “one child” policy enacted For urban areas
Material benefits if have 1 child
Social & official pressure If have more than 1 child
71% Chinese are rural Multiple children are
common Fertility rate has
declined But also declined in other
Asian countries without coercion
Human rights violation?http://www.timeopinionleaders.com/blog/images/uploads/knCHINA_BABIES_wideweb__470x316,0.jpg
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Sex ratio at birth (2000) 117:100 male:female
○ Maternal Hepatitis B may account for much of the skewing
Boys preferred Men care for parents in old age Women join husband’s family
○ Care for husband’s parents Selective abortion of girls
Use ultrasound to determine sex
If first child is a girl, want second to be a boy
Illegal but suspected Female infanticide
suspected before ultrasound
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Lets See………
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A day in Hospital
Polio may soon be eradicated from India and the globe
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India is the second most populous country in the world
The death rate has declined but birth rates continue to be high in most of the states.
Health care structure in the country is over-burdened by increasing population
Family planning programs need to be (re)activated
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India faces the twin epidemic of
continuing/emerging infectious diseases
as well as chronic degenerative
diseases.
The former is related to poor
implementation of the public health
programs, and the latter to demographic
transition with increase in life expectancy.
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•Economic deprivation in a large segment of population results in poor access to health care.•Poor educational status leads to non-utilization of scanty health services and increase in avoidable risk factors.•Both are closely related to life expectancy and IMR.•Advances in medicine are responsible for no more than half of the observed improvement in health indices.
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Longevity, literacy and GDP per capita are the main indicators of human development
Longevity is a measure of state of health, and is linked to income and education
Weakness in health sector has an adverse effect on longevity
India ranks low (115th) amongst world nations judged by HDI
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India faces high burden of disease because of lack of environmental sanitation and safe drinking water, under-nutrition, poor living conditions, and limited access to preventive and curative health services
Lack of education, gender inequality and explosive growth of population contribute to increasing burden of disease
Full impact of the HIV epidemic and tobacco related diseases is yet to be felt
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A dark cloud, however, threatens to blot out the sun from this landscape. Almost everywhere, the poor suffer poor health and the very poor suffer appallingly. In addition the gap in health between rich and poor remains very wide. Addressing this problem, both between countries and within countries, constitutes one of the greatest challenges of the new century. Failure to do so properly will have dire consequences for the global economy, for social order and justice, and for the civilization as a whole.
Inequity in Health Care
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0
2
4
6
8
10
12
14
Deaths in millions
0-4 5--14 15-29 30-44 45-59 60-69 >70Age group in years Developed
Developing
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27%
5%2%25%
33%6%
2%
ARI ARI/MeaslesMeasles DiarrhoeaOther MalariaARI/Malaria
~10% disease burden could be avoided by access to safe water
~20% disease burden could be avoided by eliminating malnutrition
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2020
1990
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0%
20%
40%
60%
80%
100%
EME FSE CHN LAC OAI MEC IND SSA
GROUP 3GROUP 2GROUP 1
Murray and Lopez, 1994
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0
5
10
15
20
25
EME FSE CHN LAC OAI MEC IND SSA
GROUP 3GROUP 2GROUP 1
Murray and Lopez, 1994
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Increasing cost of curative medical services High tech curative services not free even in
government hospitals Limited health benefits to employees Health insurance expensive Curative health services not accessible
to rural populations
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Private practitioners and hospitals major providers of health care in India
Practitioners of alternate systems of medicine also play a major role
Concerns regarding ethics, medical negligence, commercialization of medicine, and incompetence
Increasing cost of medical care and threat to healthy doctor patient relationship
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Prevention, and early diagnosis and treatment,
if feasible, are the most cost-effective strategies for
most diseases
Promoting healthy life style from early life is a ‘no
cost’ intervention which needs to be incorporated in
school curricula. There is need for increasing public
awareness of the benefits of healthy life style
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Whooping cough Tetanus Diphtheria Polio Measles, rubella Cholera Tuberculosis ? S typhi N meningitidis C Smallpox Anthrax
Strep pneumoniae
H influenzae Hepatitis A and B Jap encephalitis Mumps Rabies Yellow fever Varicella-zoster Influenza A
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Existing infrastructure for health care needs to be strengthened. Health should be perceived as an investment and receive greater budgetary allocation
Education, safe water and sanitation need priority Vaccination coverage to be improved Better implementation of national health programs Judicious use of the scant resources by promoting
most cost-effective strategies for disease prevention Inclusion of all level of stakeholders in planning
and policy making using tremendous human resource available in the country
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Lets See………
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KEY CONCEPT As the human population grows, the demand for Earth’s resources increases.
Nonrenewable resources are used faster than they form.coaloil
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Several factors affect the size of the ecological footprint.
– amount and efficiency of resource use – amount and toxicity of waste produced
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Pollution is any undesirable factor added to the air, water, or soil.
Smog is one type of air pollution.sunlight interacts with
pollutants in the airpollutants produced by fossil
fuel emissionsmade of particulates and
ground-level ozone
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Smog can be harmful to human health.
• Acid rain is caused by fossil fuel emissions.– produced when pollutants in the water cycle cause rain pH to
drop– can lower the pH of a lake or stream– can harm trees
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The levels of atmospheric carbon dioxide rise and fall over time.
High levels of carbon dioxide are typical of Earth’s warmer periods.
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The greenhouse effect slows the release of energy from Earth’s atmosphere.
– sunlight penetrates Earth’s atmosphere– energy is absorbed and reradiated as heat– greenhouse gases absorb longer wavelengths– Greenhouse
gas moleculesrereleaseinfraredradiation
methane (CH4) water (H2O)
carbon dioxide(CO2)
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Global warming refers to the trend of increasing global temperatures.
North Pole
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Pollution can put entire freshwater ecosystems at risk.
Indicator species provide a sign of an ecosystem’s health.
– amphibians– top predators
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Earth’s resources must be used responsibly. Careless use of resources makes them unavailable
to future generations. Easter Island is
an example ofirresponsibleresource use.
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The Environmental Protection Agency (EPA) was created in 1970.
The EPA develops policies and regulations to protect the environment.
Legislation helps to protect the environment and endangered species. Clean Air Act Clean Water Act Endangered Species Act
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There are several ways that people can help protect the environment.
– control population growth– develop sustainable technology and practices– protect and maintain ecosystems
Its not time to
think…Its time to act…..
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Thank You…..