The document discusses how human activity is negatively impacting the environment through overpopulation, pollution, deforestation, and other factors. It notes that humans have altered ecosystems since ancient times by hunting animal populations to extinction. More recently, industrialization and population growth have led to issues like global warming, acid rain, soil erosion, waste disposal problems, and biodiversity loss as species are hunted to extinction. Major human impacts discussed include atmospheric pollution, water pollution reducing water supplies, the shrinking of the Aral Sea, deforestation reducing forests, and the challenges of radioactive waste disposal. The document argues that cumulative human ecological impacts now threaten the long-term viability of the environment and life on Earth.
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these slides describes the impacts on environment by human, human activities which caused impacts on biodiversity and the steps to prevent the ozone layer, pollution caused by human
This presentation discuss about the human impact on ecosystem, planetary responses to changes and imbalance in the various ecological systems. The main cause of ecological change is the rapid increase in human population which ultimately utilize the non-renewable resources to fulfil their luxurious living standards and to discover various technologies to generate energy.
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June 3, 2024 Anti-Semitism Letter Sent to MIT President Kornbluth and MIT Cor...Levi Shapiro
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The US House of Representatives is deeply concerned by ongoing and pervasive acts of antisemitic
harassment and intimidation at the Massachusetts Institute of Technology (MIT). Failing to act decisively to ensure a safe learning environment for all students would be a grave dereliction of your responsibilities as President of MIT and Chair of the MIT Corporation.
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students that opportunity and have been hijacked to become venues for the promotion of terrorism, antisemitic harassment and intimidation, unlawful encampments, and in some cases, assaults and riots.
The House of Representatives will not countenance the use of federal funds to indoctrinate students into hateful, antisemitic, anti-American supporters of terrorism. Investigations into campus antisemitism by the Committee on Education and the Workforce and the Committee on Ways and Means have been expanded into a Congress-wide probe across all relevant jurisdictions to address this national crisis. The undersigned Committees will conduct oversight into the use of federal funds at MIT and its learning environment under authorities granted to each Committee.
• The Committee on Education and the Workforce has been investigating your institution since December 7, 2023. The Committee has broad jurisdiction over postsecondary education, including its compliance with Title VI of the Civil Rights Act, campus safety concerns over disruptions to the learning environment, and the awarding of federal student aid under the Higher Education Act.
• The Committee on Oversight and Accountability is investigating the sources of funding and other support flowing to groups espousing pro-Hamas propaganda and engaged in antisemitic harassment and intimidation of students. The Committee on Oversight and Accountability is the principal oversight committee of the US House of Representatives and has broad authority to investigate “any matter” at “any time” under House Rule X.
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Under Augustus, the empire experienced the Pax Romana, a 200-year period of relative peace and stability. Augustus reformed the military, established efficient administrative systems, and initiated grand construction projects. The empire's borders expanded, encompassing territories from Britain to Egypt and from Spain to the Euphrates. Roman legions, renowned for their discipline and engineering prowess, secured and maintained these vast territories, building roads, fortifications, and cities that facilitated control and integration.
The Roman Empire’s society was hierarchical, with a rigid class system. At the top were the patricians, wealthy elites who held significant political power. Below them were the plebeians, free citizens with limited political influence, and the vast numbers of slaves who formed the backbone of the economy. The family unit was central, governed by the paterfamilias, the male head who held absolute authority.
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An EFL lesson about the current events in Palestine. It is intended to be for intermediate students who wish to increase their listening skills through a short lesson in power point.
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This Gasta posits a strategic approach to integrating AI into HEIs to prepare staff, students and the curriculum for an evolving world and workplace. We will highlight the advantages of working with these technologies beyond the realm of teaching, learning and assessment by considering prompt engineering skills, industry impact, curriculum changes, and the need for staff upskilling. In contrast, not engaging strategically with Generative AI poses risks, including falling behind peers, missed opportunities and failing to ensure our graduates remain employable. The rapid evolution of AI technologies necessitates a proactive and strategic approach if we are to remain relevant.
Embracing GenAI - A Strategic ImperativePeter Windle
Artificial Intelligence (AI) technologies such as Generative AI, Image Generators and Large Language Models have had a dramatic impact on teaching, learning and assessment over the past 18 months. The most immediate threat AI posed was to Academic Integrity with Higher Education Institutes (HEIs) focusing their efforts on combating the use of GenAI in assessment. Guidelines were developed for staff and students, policies put in place too. Innovative educators have forged paths in the use of Generative AI for teaching, learning and assessments leading to pockets of transformation springing up across HEIs, often with little or no top-down guidance, support or direction.
This Gasta posits a strategic approach to integrating AI into HEIs to prepare staff, students and the curriculum for an evolving world and workplace. We will highlight the advantages of working with these technologies beyond the realm of teaching, learning and assessment by considering prompt engineering skills, industry impact, curriculum changes, and the need for staff upskilling. In contrast, not engaging strategically with Generative AI poses risks, including falling behind peers, missed opportunities and failing to ensure our graduates remain employable. The rapid evolution of AI technologies necessitates a proactive and strategic approach if we are to remain relevant.
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Synthetic fiber production is a fascinating and complex field that blends chemistry, engineering, and environmental science. By understanding these aspects, students can gain a comprehensive view of synthetic fiber production, its impact on society and the environment, and the potential for future innovations. Synthetic fibers play a crucial role in modern society, impacting various aspects of daily life, industry, and the environment. ynthetic fibers are integral to modern life, offering a range of benefits from cost-effectiveness and versatility to innovative applications and performance characteristics. While they pose environmental challenges, ongoing research and development aim to create more sustainable and eco-friendly alternatives. Understanding the importance of synthetic fibers helps in appreciating their role in the economy, industry, and daily life, while also emphasizing the need for sustainable practices and innovation.
Unit 8 - Information and Communication Technology (Paper I).pdfThiyagu K
This slides describes the basic concepts of ICT, basics of Email, Emerging Technology and Digital Initiatives in Education. This presentations aligns with the UGC Paper I syllabus.
Macroeconomics- Movie Location
This will be used as part of your Personal Professional Portfolio once graded.
Objective:
Prepare a presentation or a paper using research, basic comparative analysis, data organization and application of economic information. You will make an informed assessment of an economic climate outside of the United States to accomplish an entertainment industry objective.
3. Introduction of earth
man environment affect
Alteration of ecosystem
Overpopulation
Environmental stress
deforestation
atmospheric pollutants
emission of pollutants in atmosphere
Water
The Dying Aral Sea. Affected by climatic cycles and afflicted by human interference
Atmosphere
global warming
acid rain
4. The land
Soil erosion
deforestation
waste disposal
low-level radioactive wastes
high-level radioactive wastes
Biodiversity
5. Earth
• Earth is a place in which we live.
• Earth is the only planet to sustain life.
• Earth has an environment and different gases in air like carbon
dioxide, nitrogen, water vapor etc.
6. Man environment affect
Humans are not unique in possessing a culture: gorillas,
chimpanzees, and dolphins have cultures too.
Ours is the only species, who have technologies, laws, and
belief systems.
No species, not even the powerful dinosaurs, ever affected their
environment as strongly as humans do today.
Some biogeographers suggest that the next great extinction
may be caused not by asteroids but by humans, whose
numbers and demands are destroying millions of species.
7. Alteration of Ecosystems
An ecosystem consists of a community of organisms together with their
physical environment.
Humans altered their environment from the beginning, when they set fires
to kill herds of reindeer and bison, or hunted entire species of large
mammals to extinction.
European had a disastrous impact on African species ranging from snakes
to leopards.
During the last half-century, every place on earth has been transformed,
either directly or indirectly, by humans.
8. overpopulation
• Depletion of Natural Resources
• Degradation of Environment
• Deforestation
• No Clean Water
• Animal Extinction
• Soil Depletion From Excessive Farming
9. Environmental Stress
Among the more obvious actions causing environmental stress are the cutting of forests and the
emission of pollutants into the atmosphere.
Less obvious actions include the burying of toxic wastes that foul groundwater supplies, the
dumping of vast amounts of garbage into the oceans, and the use of pesticides in farming.
Humans have built seawalls, terraced hillslopes, dammed rivers, cut canals, and modified the
environment in many constructive as well as destructive ways. All of these activities have an impact
on the environment.
Among these are the future of water supplies, the state of the atmosphere, climate change,
Desertification, Deforestation, Soil degradation, and the disposal of industrial wastes.
11. Emission of pollutants in atmosphere
Thousands of different solid or liquid particles suspended in air are Particulate Material
Nitrogen Oxides produced by the chemical interactions between atmospheric nitrogen and oxygen
at high temperature
Sulfur Oxides produced by the chemical interactions between sulfur and oxygen
Carbon Oxides by Gases carbon monoxide (CO) and carbon dioxide (CO2)
Hydrocarbons; Diverse group of organic compounds that contain only hydrogen and carbon
12. Water
Industries use 20 percent of the world’s water supply,
contributing heavily to pollution when the used water is returned
to streams, lakes, and aquifers.
In Eastern Europe, tests indicated that the region’s rivers and
groundwater were among the most severely polluted in the
world because industries there had not been adequately
regulated.
13. The Dying Aral Sea. Affected by climatic cycles and afflicted by human
interference, the Aral Sea on the border of Kazakhstan and Uzbekistan is dying.
In a quarter of a century, it lost threequarters of its surface area.
14. Atmosphere
The Earth’s atmosphere is a thin layer of air lying directly above the lands and oceans.
We depend on the atmosphere for our survival:
we breathe its oxygen
it shields us from the destructive rays of the sun
it moderates temperatures
it carries moisture from the oceans over the land, sustaining crops and forests and
replenishing
soils and wells.
The atmosphere has a truly amazing capacity to cleanse itself.
Two centuries of industrial expansion have caused an enormous increase in the pollution.
15. Global Warming
Global warming is the slow increase in the average temperature of the earth’s atmosphere because
an increased amount of the energy (heat) striking the earth from the sun is being trapped in the
atmosphere and not radiated out into space.
Most scientists argue that tropospheric pollution, particularly the release of "greenhouse" gases,
causes the Earth to retain more heat (hence the term greenhouse )
The amounts of “greenhouse” gases, carbon dioxide (CO 2 ), methane, and nitrous oxides in the
atmosphere have been increasing at a rate of about 2 percent per decade
Automobiles, steel mills, refineries, and chemical plants account for a large part of this increase.
16. Acid Rain
Acid rain is rain that is unusually acidic. It is rain with high levels of hydrogen ions (low pH)
Acid rain forms when sulfur dioxide and nitrogen oxides are released into the atmosphere by the
burning of fossil fuels (coal, oil, and natural gas).
Acid rain is causing acidification of lakes and streams (with resultant fish kills), stunted growth of
forests, and loss of crops in affected areas. In cities, corrosion of buildings and monuments has
accelerated.
17. The Land
Over the centuries, human population growth has put increasing pressure on the land surface.
More land is cleared and placed under cultivation, trees are cut down, and cities expand.
The human impact on the Earth’s land surface . Most significant are;
deforestation
soil erosion
waste disposal
biodiversity less.
18. Deforestation
In the early 1980s, the Food and Agriculture Organization (FAO) of the United Nations undertook a
study of the rate at which forests were being depleted. This analysis showed that 44 percent of the
tropical rainforest had already been affected by cutting and that more than 1 percent was being
logged every year.
In 1990, the FAO predicted that if this rate of cutting were to continue, the entire equatorial
rainforest would be gone in less than 90 years
In 2005, the FAO released a comprehensive, ten year study of the world’s forests. It found that the
annual net loss of forests globally was 7.3 million hectares/year between 2000 and 2005—a rate
that was lower than the 8.9 million hectares/year between 1990 and 2000.
Many animal species that depend on holes in trunks and hollows in tree limbs cannot find places to
nest. For them the forest has ceased to be a favorable habitat.
19. Soil Erosion
The loss of potentially productive soil to erosion has been described as a “quiet crisis” of global
proportions.
A 2006 study reported that globally about 37,000 square miles (10 million hectares) of cropland are
lost to soil erosion each year.
Soil erosion is caused by a variety of factors: livestock are allowed to graze in areas where they
destroy the natural vegetation; lands too dry to sustain farming are plowed, and wind erosion
follows.
Soil is a renewable resource because with proper care it can recover.
20. Waste Disposal
If anything has grown faster than population itself, it is the waste generated by households,
communities, and industries.
The United States, the world’s largest consumer of resources, is also the largest producer of solid
waste
According to current estimates, the United States produces about 1.7 kilograms of solid waste per
person per day, which adds up to well over 160 million metric per year.
In the late 1980s, the richer countries’ practice of “managing” waste by exporting it became a
controversial issue, and in 1989 a treaty was drawn up to control it. The treaty did not (as many
poorer countries wished) prohibit the exporting of hazardous waste, although it did place some
restrictions on trade in hazardous materials.
21. CONT…
Two types of radioactive wastes:
• Low-level radioactive wastes, which give off small amounts of radiation and are produced by
industry, hospitals, research facilities, and nuclear power plants
• High-level radioactive wastes, which emit strong radiation and are produced by nuclear power
plants and nuclear weapons factories.
In poorer countries waste is thrown onto open dumps where vermin multiply, decomposition sends
methane gas into the air, rain and waste liquids carry contaminants into the groundwater below,
and fires pollute the surrounding atmosphere.
22. Biodiversity loss
Biodiversity refers to the diversity of all aspects of life found on the Earth.
Human impacts on biodiversity have increased over time.
Many birds and mammals have been hunted not only for food but also for their skins,
feathers, and so forth.
During the eighteenth and nineteenth centuries, beaver populations in North America
were drastically reduced as the beavers were trapped and skinned for their pelts.
Many bird species were hunted for their feathers, which were sold to decorate fashionable
hats.
Elephants and walruses continue to be hunted for their ivory tusks.
From historical records we know that over 650 species of plants and over 480 animal
species have become extinct in just the last 400 years.
23. References
• Fouberg human geography-people place and culture 9th txtbk.pdf
• https://www.google.com/search?q=what+is+acid+rain&oq=what+is+a
cid+rain&aqs=chrome..69i57j0l5.7027j0j7&sourceid=chrome&ie=UTF-
8
• https://www.khanacademy.org/science/biology/ecology/intro-to-
ecosystems/a/what-is-an-
ecosystem?utm_account=Grant&utm_campaignname=Grant_Science
_Dynamic&gclid=EAIaIQobChMI7721lY684gIVBJ7VCh1KDgqAEAAYASA
AEgJwGvD_BwE