Human Impact

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Removing or relocating an animal from its territory results in undue stress and conflict with other animals and affects the animal's chance for survival. Further, relocating an animal outside of its natural habitat has detrimental effects upon ecosystems.

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  • How does erosion effect humans?

    Q: How does erosion effect humans?

    A: Erosion effects humans by adding additional toxic organic chemicals and heavy metals to the soil as well as eroding land so that there is less land to farm on. Humans are accelerating the rate of erosion.
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  • Why does global warming happen?

    Q: Why does global warming happen?

    A: The primary cause of global warming is the collection of carbon dioxide in the atmosphere. Carbon dioxide and other pollutants trap heat from the sun, making the planet warmer.
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  • Why can't we live on Mars?

    Q: Why can't we live on Mars?

    A: Humans cannot live on Mars because neither the temperature nor the atmosphere is compatible with human survival. There is also no edible food and very little available water. However, given the construction of an artificial environment, life on Mars could be possible.
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  • What is domestic waste?

    Q: What is domestic waste?

    A: Domestic waste is excess matter in the form of cardboard, yard clippings, wood and other forms of garbage. These items are usually located on property and in dwellings.
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  • Who is responsible for global warming?

    Q: Who is responsible for global warming?

    A: According to the Environmental Defense Fund, humans are 95 percent responsible for global warming. The effects of global warming are caused primarily from the burning of fossil fuels and the deforestation of the world’s rainforests.
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  • What effect does litter have on the Earth?

    Q: What effect does litter have on the Earth?

    A: Litter affects the earth by introducing toxic foreign substances into the air and water, posing risks to wildlife and plants, creating aesthetic harm and contributing to the production of greenhouse gases. Litter comes from multiple sources, including commercial offices, residences and construction sites. It also accumulates on streets, in gutters and sewers and on open parcels of land from negligent actions of motorists and pedestrians.
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  • What is the Keystone Pipeline?

    Q: What is the Keystone Pipeline?

    A: The Keystone Pipeline brings oil from Alberta, Canada to oil refineries in the U.S. Midwest and the Gulf Coast of Texas. The pipeline is owned by TransCanada, who first proposed the pipeline in 2005. It was approved by the U.S. Department of State in 2008 and began operations in 2010.
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  • What are the advantages and disadvantages of population control?

    Q: What are the advantages and disadvantages of population control?

    A: The main advantage of population control seems to be the increase in economic stability and better living conditions, while the most common disadvantages are the difficulty in enforcing such a policy and the lack of success because of this according to a report published by the University of Omaha. There are many other advantages and disadvantages to consider as well.
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  • What are the pros and cons of gasoline?

    Q: What are the pros and cons of gasoline?

    A: A pro of gasoline is that it is readily available throughout the developed world, but a con is that it can cause environmental harm. It is the most popular fuel for small automobiles, and the transportation sector depends on it. It can also be created with plant matter.
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  • How do UV rays affect people?

    Q: How do UV rays affect people?

    A: Ultraviolet rays, which are commonly referred to as UV rays, may cause a variety of health consequences in humans, including several types of skin cancer, a weakened immune system and the development of cataracts, according to the United States Environmental Protection Agency. Some sun exposure is beneficial to the health of living organisms, including plants, humans and other animals, as it triggers production of vitamin D, which is essential for proper growth. However, excessive exposure to UV rays can cause considerable damage, which ranges from unsightly wrinkles to deadly skin cancers.
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  • How does nuclear waste affect the environment?

    Q: How does nuclear waste affect the environment?

    A: Nuclear waste affects the environment primarily because it's extremely difficult to dispose of properly. If it isn't disposed of properly, it can cause extensive groundwater and soil contamination. The elements that make up nuclear waste often have long half-lives, which means that it may take millions or billions of years before the waste is safe for humans to be around.
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  • What is a positive human impact on the environment?

    Q: What is a positive human impact on the environment?

    A: A positive human impact on the environment occurs when a person takes action to improve society, nature and its resources. Acting positively, even in a small manner, has a major impact on the environment, especially when it is done consistently.
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  • Why is conservation so important?

    Q: Why is conservation so important?

    A: Conservation, or the preservation of the world's natural resources, mitigates or reverses the negative effects of human activity. Many of the Earth's resources are non-renewable; once depleted, they are gone for good. Without intervention, oil, minerals and coal will eventually run out, and animals and plants may become extinct. Environmental pollution, species extinction and global climate change are all in part results of human mismanagement of the Earth's resources.
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  • What are the effects of deforestation?

    Q: What are the effects of deforestation?

    A: The World Wildlife Fund lists reduced biodiversity, increased greenhouse gas emissions, disruptions in the water cycle and increased erosion as the primary effects of deforestation. Millions of people directly rely on forests for subsistence and the loss of forests poses a risk to their lifestyles. Deforestation occurs when tracts of forest are logged and burned for timber or to alter the land for agricultural or infrastructure purposes.
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  • What is being done to stop global warming?

    Q: What is being done to stop global warming?

    A: Several efforts have been made stop global warming, including campaigns to raise awareness about environmental issues, advancements in resource saving technology, scientific research and legislation. According to the Washington Post, a survey by the Pew Research Center for the People and the Press found many Americans favor changes made to stop global warming.
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  • How is nuclear waste disposed of?

    Q: How is nuclear waste disposed of?

    A: According to the U.S. Environmental Protection Agency, the disposal of radioactive waste varies by type, but generally it must be stored somewhere until radioactive decay renders it safe. Low-level radioactive waste like contaminated safety gear can be safe enough to place in traditional landfills, while high-level waste like spent fuel generally requires special storage for hundreds or even thousands of years to prevent radioactive contamination.
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  • How do you prevent factory pollution?

    Q: How do you prevent factory pollution?

    A: According to environmental lawyer Diane Saxe, factories that wish to reduce emissions can practice either pollution prevention or pollution control. Pollution prevention means changing the way a factory operates so that it produces very little or none of a particular pollutant. This usually involves eliminating a certain chemical or material from its operations. Pollution control involves installing equipment that captures pollutants before they enter the environment.
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  • How do fossil fuels damage the environment?

    Q: How do fossil fuels damage the environment?

    A: The primary reason that fossil fuels are harmful to the environment is that their use produces large amounts of greenhouse gases. These gases cause heat to build up in the atmosphere and raise the average temperature of the planet. Fossil fuels also pollute the air when they're burned and may cause environmental damage when they're mined.
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  • What is a nuclear winter?

    Q: What is a nuclear winter?

    A: The term "nuclear winter" was first used in 1983 by a team of scientists who were appointed to investigate the effects of a nuclear war on the environment. A nuclear war would have devastating consequences for the earth’s environment and all its inhabitants, including humans.
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  • Why is it important to return the animals to the same place they were collected from?

    Q: Why is it important to return the animals to the same place they were collected from?

    A: Removing or relocating an animal from its territory results in undue stress and conflict with other animals and affects the animal's chance for survival. Further, relocating an animal outside of its natural habitat has detrimental effects upon ecosystems.
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  • What are man-made materials?

    Q: What are man-made materials?

    A: A man-made material is one that is manufactured through human effort. These materials are usually made using natural, raw materials. Examples of man-made materials are glass, rayon and nylon.
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