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Environmental Implications of Population Dynamics- A Study With Reference To India | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Paper Id :
17312 Submission Date :
2023-02-06 Acceptance Date :
2023-02-21 Publication Date :
2023-02-25
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Abstract |
The environment becomes disorder which can increase entropy of Earth. We have studied many aspects surrounding living population. The present study shows the rapidly increasing population in India and bad environmental condition in India. It alarms fast growing population which explodes death of living people's. Which causes corna diseases, dirty land, ground water level very depth. Industrial disorder, increasing Greenhouse effect. Motor car growth of transportation, real estate sector, urbanization and eat of resources produce pollution into biodiversity i. e. Air, noise etc, global temperature rising and atmospheric change on an alarming rate. This study aims to shows the environmental impacts because of growing population in particular India.
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Keywords | Population, Environment, Greenhouse, Microgram. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
Introduction |
Air pollution occurs through so many aspect that is burning of petrol, or biology organism. It includes the air in or out not only human being but those very small insect which death by de gradation of lake biodiversity pollution change very badly also. Pollutants are responsible to our drinking water and even our homes. Environmental changes are being occured with our ecosystem that may cause harm or damage to living things. Environmental problems appear when it is an imbalance between human earning structures and natural processes.
The environment is perturbed and segmented parepared for evolved. The population grows and its requirement for natural as well as man made resources. That could hunt the environment. It is important to be awake of through the environmental issues facing India and the world so that we can take fair scale steps to mitigate their effects.
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Objective of study | Objective for this study we could resolve population catastrophe through local costing based farming with very good where-house near farming land. Air pollution could be reduced through (a) we can arrange cannel water source for industries. Then industry sector should be developed by segment to segment. (b) We can arrange very high cost anti air pollutant system which can collapse air particles that had produced near to industries atmosphere. Automobiles work all over the world through Li batteries. There should be also Nuclear power sector which can produce electricity with new innovative power sector plant. Those can help environment.
1. The relationship between demographic factors — population size, distribution, and composition — and environmental change.
2. The mediating factors that influence this relationship: technological, institutional, policy, and cultural forces.
3. Two specific aspects of environmental change affected by population dynamics: climate change and land-use change.
4. Implications for policy and further research.
There concludes that population dynamics have important environmental implications but that the sheer size of population represents only one important variable in this complex relationship. Other demographic dynamics, including changes in population flows and densities, can also pose challenging environmental problems. |
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Review of Literature | In India, air pollution has made a huge umbrella. The United States’ produces carbon dioxode and sulphur dioxide 44% of the world. This inorganic and so many organic gas is a major contributor to acid rain and direct biodiversity forms of environmental damage. Indian many cities have good numbers to some of the most polluted cities in the world. This includes New Delhi, which was ranked first for air pollution by World health organization Global Ambient Air Quality Database in 2018. |
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Main Text |
Environmental Implications of Specific Population Factors Population Size No simple relationship exists between population size and
environmental change. However, as global population continues to grow, limits
on such global resources as arable land, potable water, forests, and fisheries
have come into sharper focus. In the second half of the twentieth century,
decreasing farmland contributed to growing concern of the limits to global food
production. Assuming constant rates of production, per capita land requirements
for food production will near the limits of arable land over the course of the
twenty-first century. Likewise, continued population growth occurs in the
context of an accelerating demand for water: Global water consumption rose
six-fold between 1900 and 1995, more than double the rate of population growth. Population Distribution The ways in which populations are distributed across the
globe also affect the environment. Continued high fertility in many developing
regions, coupled with low fertility in more-developed regions, means that 80
percent of the global population now lives in less-developed nations.
Furthermore, human migration is at an all-time high: the net flow of
international migrants is approximately 2 million to 4 million per year and, in
1996, 125 million people lived outside their country of birth. Much of this migration
follows a rural-to-urban pattern, and, as a result, the Earth's population is
also increasingly urbanized. As recently as 1960, only one-third of the world's
population lived in cities. By 1999, the percentage had increased to nearly
half (47 percent). This trend is expected to continue well into the
twenty-first century. The distribution of people around the globe has three
main implications for the environment. First, as less-developed regions cope
with a growing share of population, pressures intensify on already dwindling
resources within these areas. Second, migration shifts relative pressures
exerted on local environments, easing the strain in some areas and increasing
it in others. Finally, urbanization, particularly in less-developed regions, frequently
outpaces the development of infrastructure and environmental regulations, often
resulting in high levels of pollution. Population Composition Composition can also have an effect on the environment
because different population subgroups behave differently. For example, the
global population has both the largest cohort of young people (age 24 and
under) and the largest proportion of elderly in history. Migration propensities
vary by age. Young people are more likely than their older counterparts to migrate,
primarily as they leave the parental home in search of new opportunities. As a
result, given the relatively large younger generation, we might anticipate
increasing levels of migration and urbanization, and therefore, intensified
urban environmental concerns. Other aspects of population composition are also
important: Income is especially relevant to environmental conditions. Across
countries, the relationship between economic development and environmental
pressure resembles an inverted U-shaped curve; nations with economies in the
middle-development range are most likely to exert powerful pressures on the
natural environment, mostly in the form of intensified resource consumption and
the production of wastes. By contrast, the least-developed nations, because of
low levels of industrial activity, are likely to exert relatively lower levels
of environmental pressure. At highly advanced development stages, environmental
pressures may subside because of improved technologies and energy efficiency. Within countries and across households, however, the
relationship between income and environmental pressure is different.
Environmental pressures can be greatest at the lowest and highest income
levels. Poverty can contribute to unsustainable levels of resource use as a
means of meeting short-term subsistence needs. Furthermore, higher levels of
income tend to correlate with disproportionate consumption of energy and
production of waste. Global Climate Change Recent years have been among the warmest on record.
Research suggests that temperatures have been influenced by growing
concentrations of greenhouse gases, which absorb solar radiation and warm the
atmosphere. Research also suggests that many changes in atmospheric gas are
human-induced. The demographic influence appears primarily in three areas.
First, contributions related to industrial production and energy consumption
lead to carbon dioxide emissions from fossil fuel use; second, land-use
changes, such as deforestation, affect the exchange of carbon dioxide between
the Earth and the atmosphere; and third, some agricultural processes, such as
paddy-rice cultivation and livestock production, are responsible for greenhouse
gas releases into the atmosphere, especially methane. According to one
estimate, population growth will account for 35 percent of the global increase
in CO2 emissions between 1985 and 2100 and 48 percent of the
increase in developing nations during that period. As such, both attention to demographic
issues and the development of sustainable production and consumption processes
are central responses to the processes involved in global warming. Air Pollution Undoubtedly one of the most pressing environmental
issues in India is air pollution. According to the 2021 World Air Quality
Report, India is home to 63 of the 100 most polluted cities, with New Delhi
named the capital with the worst air quality in the world. The study also found
that PM2.5 concentrations – tiny particles in the air that are 2.5 micrometres
or smaller in length – in 48% of the country’s cities are more than 10 times
higher than the 2021 WHO air quality guideline level. Vehicular emissions, industrial waste, smoke from
cooking, the construction sector, crop burning, and power generation are among
the biggest sources of air pollution in India. The country’s dependence on
coal, oil, and gas due to rampant electrification makes it the world’s
third-largest polluter, contributing over 2.65 billion metric-tones of carbon
to the atmosphere every year. The months-long lockdown imposed by the government
in March 2020 to curb the spread of Covid-19 led to a halt in human activities.
This unsurprisingly, significantly improved air quality across the country.
When comparing the Air Quality Index (AQI) data for 2019 and 2020, the daily
average AQI in March-April 2019 was 656, the number drastically dropped by more
than half to 306 in the same months of 2020.
The months-long lockdown imposed by the government in March 2020 to curb
the spread of Covid-19 led to a halt in human activities. This unsurprisingly,
significantly improved air quality across the country. When comparing the Air
Quality Index (AQI) data for 2019 and 2020, the daily average AQI in March-April
2019 was 656, the number drastically dropped by more than half to 306 in the
same months of 2020.
Unfortunately, things did not last long. In 2021, India was among the world’s most polluted countries, second only to Bangladesh. The annual average PM2.5 levels in India was about 58.1 µg/m³ in 2021, “ending a three-year trend of improving air quality” and a clear sign that the country has returned to pre-pandemic levels. Scientists have linked persistent exposure to PM2.5 to many long-term health issues including heart and lung disease, as well as 7 million premature deaths each year. In November 2021, air pollution reached such severe levels that they were forced to shut down several large power plants around Delhi. In recent years, the State Government of the Indian capital has taken some stringent measures to keep a check on air pollution. One of which is the Odd-Even Regulation – a traffic rationing measure under which only private vehicles with registration numbers ending with an odd digit will be allowed on roads on odd dates and those with an even digit on even dates. Starting from January 2023, there will also be a ban on the use of coal as fuel in industrial and domestic units in the National Capital Region (NRC). However, the ban will not apply to thermal power plants, incidentally the largest consumers of coal. Regardless of the measures taken to curb air pollution, as the World Air Quality Report clearly shows – the AQI in India continues to be on a dangerous trajectory.
WHO’s Air Quality Guideline 5.0 Source=IQ Air’s world Air Quality Report 2021. What Should Policymakers Do? The policy implications of demographic influences on the
environment are complicated and can sometimes be controversial. While some view
large, rapidly growing populations in developing regions as the primary culprit
in environmental decline, others focus on the costly environmental effects of
overconsumption among the slowly increasing populations of the developed
nations. These differing emphases naturally point to radically different
solutions: slow population increase in less-developed nations or change
destructive consumption and production patterns in the more-developed nations.
This debate, however, presumes a one-step solution to the complex problems
created by population pressures on the environment. Both population size and
consumption influence environmental change and are among the many factors that
need to be incorporated into realistic policy debate and prescriptions.
Examples of policies that could address the environmental implications of
demographic factors include policies to promote effective family planning, more
effective rural development to slow migration to crowded urban centers, and
incentives to encourage sustainable levels of consumption and the use of
efficient, cleaner technologies |
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Conclusion |
We conclude that the study of the interrelationships between demographics and the environment should be maintained through balance at petrochemical. We could be aware every people as well as honesty at NGO and Govternment agencies. The area of interdisciplinary environmental research must be develop and schoolars should continue to improve realistic and handle able approaches and make new record that allow examination of the links between social and natural food chain. The use of modern technology (e.g., satellite remote sensing, surveys) to knowledge wide about environmental change promises to evaluate significantly to learning knowledge in this area. |
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References | 1. Central Statistical Organization, (2000), "Compendium of Environment Statistics", Ministry of Statistics and Programme Implementation, Government of India,
New Delhi.
2. Central Statistical Organization, (2002), "Selected Socio-Economic Statistics", Ministry of Statistics and Programme Implementation, Government of India, New Delhi.
3. Office of the Registrar General India (207). “Selected Socio-Economic Statistics", Ministry of Statistics and Programme Implementation, Government of India, New Delhi.
4. Chopra R (2016). Environmental Degradation in India: Causes and Consequences. International Journal of Applied Environmental Sciences Vol.-11 (6), pp. 1593- 1601.
5. Registrar general Population Census of India, 2011.
6. Manish Kumar “Growing population and their environmental impacts in India”, IJMER Vol. 10, January 2021. |