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Description:
John Muir founded the sierra club, he was a naturalist and conservationist also an environmental activist. John Muir founded The Sierra Club because he wanted to ensure the environment was not being degraded by humans. As civilization grew, the demands for natural resources and food grew significantly,  and to meet those needs that meant more harm to the environment. So he founded the Sierra Club.
Relation to Theme:
John Muir relates to the theme of "Pollution" because he contributed in preventing and reducing pollution into the environment. Whether it was physical pollution, like trash or air pollution.

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Description:
Was founded by John Muir. It is an environmental organization, contributed to the passing of the Clean Air Act, Clean Water Act and the Endangered Species Act. This club allowed for the government to take action into the pollution being thrown out in the environment.
Relation to Theme:
This relates to the theme of "pollution" because the club helped pass many acts that helped the environment by limiting corporations and large businesses from further contributing to the air pollution. The Sierra Club also protects human and animals health, caused by the pollution in the air or environment.

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Description:
This organization, was created for wildlife, habitats and future conservationists. Made to protect the wildlife and preserve natural resources and not degrade the earth by thinking selfishly. This federation helps the people understand that they are potentially harming other organisms and should really think about the consequences of their actions.
Relation to Theme:
This relates to the theme of "pollution" because when one pollutes, it harms the wildlife surrounding the area. These actions cause the animals to eat harmful substances or solids, it would ruin their habitats if important species die off.

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Toxic air covered London for five days. It blocked the sun for days. The fog mixed with the burning of fossil fuels, it turned yellow and it would not move, because there was no wind to carry it away. This caused the air to be toxic to breathe in so many had to cover their faces until it dispersed.
Relation to Theme:
This relates to the theme "pollution", because the air was intoxicated due to the pollution in the air accumulated by power plants. Pollution is a serious case that causes many disruptions in the environment. It causes an imbalance of certain substances and particles in the air.

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Rachel Carson wrote the book Silent Springs. Talked about the harmful effects of DDT’s. She was always interested in the human impacts on the environment. Carson wanted the people to become aware of the harmful effects that DDT's caused to human health.
Relation to Theme:
Rachel Carson relates to the theme of "pollution" because she knew that the use of pesticides like DDT's must have had impacts on human health. Even though they were odorless and tasteless they were potentially harmful and she felt like she needed to let the word out, to inform people about the consequences

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The Environmental Protection Agency  created to raise awareness about the pollution being thrown into the environment. Created for the protection of the environment. Includes lots of monitoring, researching, and enforcement.

Relation to Theme:
The EPA relates to the theme of "pollution" because the organization was designed to protect what others weren't protecting. This organization allowed there to be a say from the higher levels. They are able to implement acts that are passed by congress.

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Arbor Day is a day designed to consider what the Earth has done for us and remember that without the earth we would be dead. So in recognition of the Earth people plant trees in order to keep the earth clean and green.

Relation to Theme:
This relates to the theme because trees are what keeps the carbon cycle going through photosynthesis. Without trees the amount of carbon dioxide released into the atmosphere, from power plants or corporations, the carbon will just accumulate and result in an increase in global warming.

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The three mile island disaster was caused by a malfunction in one of the reactors sectors. Steam was unable to be generated due to a mechanical or electrical failure. Although the disaster only released small amounts of radiation, it did not harm people and the surroundings. But it did change  how workers were trained and created emergency responses.

Relation to Theme:
This relates to the theme by it being a contributor to the pollution emitted into the air causing harmful effects to the living organisms around the area.

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Description:

Chernobyl took place at a power plant in the Ukraine. The reactor malfunctioned and devastated many people and the environment. Exposure to large amounts of radiation led to many deaths and damage.

Relation to Theme:
This relates to the theme because this nuclear disaster resulted in thousands of people harmed, killed, or affected their health status. The disaster caused enormous amounts or radiation into the surrounding areas. It also released large amounts of heat into the atmosphere.

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The disaster took place in Japan 2011. Three of the reactors were damaged due to an earthquake with a magnitude of 9.0 followed by a Tsunami. The Tsunami disabled the reactors and caused it to release radiation for 4-6 days.

Relation to Theme:
This disaster relates to the theme because it too released amounts of radiation into the air. This causing more heat to enter the earth and further increase the surface temperature, which can overall have a huge impact on the earth ms climate.

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Overall the chronological events depict the importance of taking care of the earth. We take so much out of Mother Earth that we don't even do anything to give back. The least we can do is reduce the amount of pollution that we throw into, essentially, our home. Also to think, once all the resources are used up, it will take a long time for Mother Nature to replace all the resources we use up today.

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World Nuclear Association. "Javascript Required!" Chernobyl Disaster. World Nuclear Association, Nov. 2016. Web. 12 May 2017.
World Nuclear Association. "Javascript Required!" Fukushima Accident. World Nuclear Association, Apr. 2017. Web. 12 May 2017.
Klein, Christopher. "The Killer Fog That Blanketed London." History.com. A&E Television Networks, 06 Dec. 2012. Web. 12 May 2017.
U.S. NRC. "Backgrounder on the Three Mile Island Accident." Backgrounder on the Three Mile Island Accident. United States Regulatory Commission, 12 Dec. 2014. Web. 12 May 2017.
Lear, Linda. "The Life and Legacy of Rachel Carson." Rachel Carson, The Life and Legacy. N.p., 1996. Web. 12 May 2017.
"John Muir." Biography.com. A&E Networks Television, 20 Jan. 2015. Web. 12 May 2017.
"About the Sierra Club." Sierra Club. The Sierra Club, 12 May 2017. Web. 15 May 2017.
"EPA History." EPA. Environmental Protection Agency, 04 Apr. 2017. Web. 15 May 2017
GuideStar. "Who We Are - National Wildlife Federation." National Wildlife Federation. Philanthropedia, 2015. Web. 15 May 2017.
"Our Work." Arbor Day Foundation Programs Inspire People to Plant, Nuture, and Celebrate Trees. Arbor Day Foundation, 2017. Web. 15 May 2017.

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