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Human Impact on the Environment
Introduction
============
In this project I aim to explain the contributes to the environment by
the actions of humans and display the consequences.
I am going to divide the project into different sections and then sub
sections to make the project easier to navigate around and keep the
information in relevant sections.
· Section 1: HABITAT REDUCTION BY HUMANS.
ü The building of houses and roads
ü Quarrying
ü Farming
ü The draining of wetland areas
ü Recreational uses
· Section 2: POLLUTION.
ü WATER POLLUTION- sewage, fertilisers, chemicals and eutrophication.
ü AIR POLLUTION- Sulphur dioxide from burning fossil fuels leading to
acid rain, carbon dioxide from burning of fossil fuels and methane
from cattle and rice fields leading to greenhouse effect and global
warming.
ü LAND POLLUTION - pesticides, herbicides, and nitrates wash into
rivers and lakes affecting food chains.
Habitat reduction by Humans
===========================
Human beings are dependent on the Earth's diversity of species for our
survival. Wild species play a vital role in the maintenance of the
planets ecological functions, yet everyday on the planet 40-100
species become extinct. Many countries across the world have not got
an endangered species act that is strong enough to protect varying
species from the destruction of humans.
All over the globe humans are determined in building more houses and
roads to supply the growing population of it's residence, making their
lives easier but not sparing a thought to the many habitats, lives and
even species that they will destroy when doing so. A recent local case
has been the building of the BNRR. When building houses and roads
fields, rivers, ponds, and reservoirs get destroyed along with many
animals habitat, leaving them with no where to live and will probably
die.
The whole point of crop farming (monoculture) is to remove a mixed
population of trees, shrubs etc and replace it with a dense population
At our current rate, humankind is speeding towards a frightening and destructive inevitability. Endangered species and biodiversity are sacrificed to line the pockets of billionaires; urban sprawls are favoured over natural land; new coal mines are opening; and indigenous cultures are being drowned in cement. Our environmental ecosystem is fragile to begin with, and we are steadily and masochistically doing more and more irreversible damage.
I believe overconsumption of resources is the most significant impact that human population size and growth have on the environment. As population size gets bigger, people's need of food, water and services also increases. Forests are being destroyed because of human's need of wood, different kinds of animals are getting killed because human's need of goods and food and fossil fuels are being used because of human's need for electricity and transportation. As a result, many habitats and species are lost, which impacts ecosystem a lot.
In conclusion, while protecting the environment, one can face numerous serious challenges, and most important among them are pesticides, hunting of animals, and destruction of natural habitats. By describing how animals and human can die through the use of pesticides, Rachel Carson has successfully described and alerted people about the deadly effects of pesticides. Moreover, Anna Quindlen shows how many species can go extinct when people treat animal hunting as an entertainment. Furthermore, she describes how the lives of many innocent animals are threatened when people try to take over natural habitats. It is importantly significant to protect the environment even though there are numerous challenges because human will not be able to survive without a healthy and green environment.
In theory some parts of the world might benefit, from a human point of view, due to global warming. However, at current rates of warming, local ecosystems will collapse and any objective measure of global benefits versus suffering would show much more suffering than benefits gained.
Earth has lost half of it species over the past 40 years and we the Humans are largely responsible for it. WWF's (World Wildlife Fund) scientists recently discovered 38 percent of land animals population decreased since 1970, due to habitat loss and hunting. Habitat loss is a huge problem and we are the cause. We have been destroying their natural environment by building dams and cut down trees to build homes, roads and other developments. Many animals are being hunted because of their meat, fur and other parts that are very valuable for the poachers.
There is no hesitation when it comes to whether humans impact the global environment. However, it is questioned in whether human’s ecological footprint is either negatively or positively impacting. In clear perspective, humans share from both sides and their ecological footprint is noted towards whether it will benefit or harm the environment around them. Topics such as overpopulation, pollution, biomagnification, and deforestation are all human impacted and can harm the environment, but some include benefits into helping the world around us with solutions to their problems.
Humans have destroyed animals and vegetation by clearing land and “developing” it into land for farming, housing, factories, roads, and for other uses than what it was intended for. Domesticating animals and producing crops in mass production has made a major impact on our natural resources. Over utilizing natural resources has disturbed the ecological balance of the environment leading to the extinction of species, polluting of water and air, and interrupting the natural food chain (Sanderson, 2002). Without people to help regulate and protect some of these lands it could be catastrophic for many species of animals, and plants (Conservation of Natural Resources). If we want our future generations to see the plants and animals that we see today then we must protect our wildlife and conserve our natural resources.
Efforts to improve the standard of living for humans--through the control of nature and the development of new products--have also resulted in the pollution, or contamination, of the environment. Much of the world's air, water, and land is now partially poisoned by chemical wastes. Some places have become uninhabitable. This pollution exposes people all around the globe to new risks from disease. Many species of plants and animals have become endangered or are now extinct. As a result of these developments, governments have passed laws to limit or reverse the threat of environmental pollution.
Thesis: The forests and wetlands of the world are being destroyed at unacceptable rates. This destruction is causing many adverse effects on the environment, many of which will not be felt by the global population until they are irreversible.
When thinking of a century, it may seem a while away, but what people do now will affect the world in the future. All over the world there are animals, reptiles and amphibians becoming endangered and some are close to extinction. Unfortunately we are somewhat to blame. We have polluted the earth and cut down forests to take resources that we need to survive. Although we need those resources, it is threatening to wildlife and needs to change. Some of our activities led to the current rate of extinction, which is higher than the normal natural rate. Based on...
We as people are some of many reasons animals become endangered. Natural habitats are ruined because of human activities such as construction work, the extension of agricultural work, destruction of forests, etc. which results in bad effects in animal’s habitat, food cycle, reproduction progress and climate. They don’t have any further vegetation which causes them to Land for cultivation is extended due to the population growth. Various types of development and construction work are continuing. Similarly, settlement areas are expanding and urbanization is taking place. Grazing land is declining in size which is the reason these animals have less and less vegetation and as we produce more for us. Natural disasters also impact on wildlife. The ecosystem is destroyed due to forest fire, destruction of forests, use of insecticides and pesticides, etc. An aquatic ecosystems are ruined when construction work is done and also by explosions due to mining and other reconstruction. Animals living both on the land and water are affected. There will be the lack of habitat for the animals. Human shouldn’t degrade the ecosystem. We shouldn’t placeharmful things like rubbish, insecticides, etc. directly to water sources. When we protect the ecosystem, it helps to protect the biodiversity so it’s not something
...tists concluded that ocean warming and acidification are the two greatest global threats that leads species to extinction. Human activity is the third reason that leads them into fatal and death of species. Human activity was involved in the past five great mass extinctions and they were related directly or indirectly. The directly of human activity that leads to extinction are habitat change, destruction, overexploitation of species, the spread of aggressive species and genes, pollution and climate change as humans use mainly all the earths lands for construction and they get advantage on fresh water rivers and limit natural rivers and unfortunate that drives species into massive fatal. While humans’ burn fossil fuels, the carbon dioxide have risen to their highest levels all over these years and that leads to global warming, rising sea levels and climate change.
Global Environmental change also known as global warming has been a rising concern for a while. The International Panel on Climate Change states that Environmental change is anthropogenic. The World Health organization defines anthropogenic climate change a cause of human and human activity. Major causes of environmental change throughout the world are the increase in Carbon dioxide and greenhouse gases.1 In the past when looking at environmental change the main focus has been on the environment and the ozone layer of the earth, but climate change has a very immense effect on human health. This paper specifically looks at how global environmental change has an effect on the health of people residing in Canada. In the past decade the global environmental change has increased Canada’s weather temperature 1.6 degrees Celsius.2 With climate change it said that in Canada there would be a greater spread of infectious disease. Another factor that can affect human health due to climate change is extreme weather events.
According to World WildLife Fund, many ecosystems around the world are being destroyed, eliminating many plant and animal species that inhabit them (“Pollution”).
Environmental Impact Assessment (EIA) is assessment of impacts on the environment due to proposed activity and finding ways to mitigate the environmental impacts.