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Agricultural Revolution

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Industrial Revolution

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Walden by Henry David Thoreau:

Walden is a book written by Thoreau that reflects on his Transcendentalist views of the world. It centers on his belief that people and nature are one and how he believes everyone should try to become closer to nature spiritually.

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Homestead Act

Set in place during the Civil War, this act allowed all good American citizens to claim 160 acres of land as long as they sustained and cultivated it themselves.

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Yellowstone National Park Founded (1st National Park)

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U.S. Forest Service Founded + Gifford Pinchot

The U.S. Forest Service is part of the Department of Agriculture and works to administer hundreds of the nations forests and grasslands. Pinchot was a forester and politician that served as the first head of the U.S. Forest Service.

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Aldo Leopold

Leopold is considered to be the father of wildlife ecology and the US wilderness system. He even helped to create the first official wilderness area years later.

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Audubon Society Founded

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Antiquities Act

This act allowed the president to place national monuments on federal land, recognizing historic landmarks and other historic structures in history.

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U.S. National Park Service Founded

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Dust Bowl

A period of severe dust storms in the 30s that resulted in severe damage of property and ecology. Also caused severe drought that depleted theland.

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Taylor Grazing Act

Law set in place to regulate grazing on public lands to improve deterioration and stabilize the livestock industry dependent on this land.

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Great Smog in London

Severe air pollution event that occurred in London that effected the British capital, but dispersed quickly after a weather change.

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Silent Spring published by Rachel Carson

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Cuyahoga River in Cleveland, Ohio, caught fire

Floating pieces of debris covered in oil caught fire by sparks created from a passing train and lasted about 30 mins.

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First Earth Day

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Clear Air Act

Law that regulates all sources of air emission and is designed to control air pollution to protect public health and the environment.

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FIFRA (Federal Insecticide, Fungicide, and Rodenticide Control Act)

Basic US regulation of pesticides to protect applicators, consumers, and the environment.

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Endangered Species Act

The act aims to provide a structure to protect and defend the nation's endangered and threatened species in their habitats and aims to conserve them.

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OPEC Oil Embargo

Arab members of the OPEC imposed and oil embargo against the US in response to the US resupplying the Israeli military and trying to gain leverage in post-war negotiations.

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RCRA (Resource Conservation and Recovery Act)

Act meant to properly manage hazardous and nonhazardous solid waste products.

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Clean Water Act

Regulates the discharge of pollutants in the nation's surface waters (lakes, rivers, streams, etc.) and is meant to control and maintain the biological integrity of the water.

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Surface Mining Control and Reclamation Act

Regulates the environmental effects of coal mining in the US and works to regulate active mines and reclaim abandoned ones.

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Love Canal, NY

Built on top of 21,000 tons of toxic industrial waste, as chemicals began to leach and bubble up into backyards and cellars and led to the Superfund program.

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3 Mile Island Nuclear Accident

Partial meltdown of a reactor in Pennsylvania that began to leak radiation gas. Considered the most severe US commercial nuclear power plant accident in history.

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CERCLA (Comprehensive Environmental Response, Compensation & Liability Act AKA Superfund)

Passed in response to some alarming hazardous waste practices and management and designed to investigate and clean up areas with hazardous waste spills.

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Bhopal, India

Gas leak incident due to water entering a tank with Methyl isocyanate which caused a build up of carbon dioxide and other chemicals.

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Chernobyl

Nuclear accident due to a flawed reactor design and caused a steam explosion and fires that released lot of the radioactive reactor core into the environment.

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Montreal Protocol

Treaty designed to protect the Ozone layer by limiting production of many substances that are responsible for the weakening of the ozone layer.

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Exxon Valdez

Oil spill that occurred in Alaska due to an oil tanker that gained notoriety after running aground spilling millions of barrels of oil into Alaska.

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World Population Hits 6 Billion

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Kyoto Protocol

National agreement that hopes to manage and reduce carbon dioxide emissions and greenhouse gases.

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Deepwater Horizon Oil Spill

Explosion on an oil rig caused by failure of the cement at the base of the well that was supposed to contain gas and oil within the well bore. Leaked million of barrels of oil into the Gulf of Mexico.

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Fukushima Daiichi Nuclear Disaster

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World Population Hits 7 Billion