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1. How much air pollution was there? Where did it come from?

Air pollution in ancient times was relatively minimal compared to today. Most pollution came from natural sources like volcanoes, dust storms, and the burning of wood for cooking and heating.

2. How much water pollution was there? Where did it come from?

Water pollution existed mainly from waste disposal and agricultural runoff. Cities like Rome had sewage systems, but waste could still contaminate rivers and streams.

3. How did humans get most of the energy they needed to survive?

Humans relied on manual labor, animals, and simple tools for energy. They also used fire for cooking, warmth, and protection.

4. Was conservation being practiced anywhere in the world? How?

Some ancient cultures practiced conservation. For example, terracing in agriculture helped prevent soil erosion and controlled burns were used to manage forests.

5. Why was lead poisoning a problem?

Lead poisoning was a problem, especially in the Roman Empire, where lead was used in pipes, cooking vessels, and cosmetics. Over time, exposure to lead could cause severe health issues.

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6. How much water pollution was there?

Water pollution increased during the Middle Ages and Renaissance, especially in cities. Waste from homes and industries like tanning and dyeing often ended up in rivers, contaminating water sources

7. How much wood was being harvested?  What effects was this having?

Large amounts of wood were harvested for fuel, construction, and shipbuilding. This led to deforestation, soil erosion, and a reduction in forested areas, impacting local ecosystems.

8. In what ways was disease affecting the world?

Diseases like the Black Death spread rapidly, devastating populations. Poor sanitation and close living conditions made cities especially vulnerable to epidemics, leading to high mortality rates and significant social disruption.

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9. What causes did people begin to take up to improve the world?

People started championing social reforms, such as workers' rights, women's suffrage, and child labor laws. Environmental conservation and public health initiatives were also gaining popularity.

10. What did Thomas Malthus predict?

He predicted that population growth would increase exponentially while food production would grow linearly, leading to inevitable shortages, famine, and societal collapse.

11. Give examples of new pollution affecting the world.

The rise of factories during the Industrial Revolution led to severe air pollution from coal burning, water pollution from untreated industrial waste being dumped into rivers, and soil contamination from the use of harmful chemicals and heavy metals.

12.  Why did sanitation become so important?

As cities grew rapidly, poor sanitation led to outbreaks of diseases like chlorrea and typhoid. Improving sanitation through clean water, waste removal, and proper hygiene became essential to public health and reducing mortality rates.

13. How was the air pollution at this time?

Air pollution was a growing concern in urban areas.  In his diary, John Evelyn writes in 1684 that smoke was so severe “hardly could one see across the street, and this filling the lungs with its gross particles exceedingly obstructed the breast, so as one would scarce breathe.”

14. How was the water pollution at this time?

Unlike grassy, forested areas, the water was running out to be muddy. This posed concerns for sanitized drinking water in the city.

15. What happened when the “Mother of the Forest” was cut down?

The Mother of the Forest, a tree 311 feet tall, had its bark stripped and shipped to England where it was put on display. Other trees were cut, with sections of their trunks for expositions in Philadelphia, New York, and elsewhere. The damage to Mother of the Forest and felling of other giant sequoias during the mid-1800s sparked public outcry and led to the conservation movement and the legal protection of these trees.

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1.  What types of reforms were occurring?

Conservation and “ecology” were among top priorities. Over a million women participated directly in reform efforts during the Progressive era, and the federation developed national committees on forestry, waterways and rivers and harbors.

2. What did Theodore Roosevelt fight for?

President Theodore Roosevelt created the first National Bird Preserve, (the beginning of the Wildlife Refuge system), on Pelican Island, Florida. In all, by 1909 the Roosevelt administration created 42 million acres of national forests, 53 national wildlife refuges and 18 areas of “special interest,” including the Grand Canyon. President Theodore promised the average citizen fairness, breaking of trusts, regulation of railroads, and pure food and drugs.

3. What new organizations were formed?

The Sierra Club (1892)

The Boone and Crockett Club (1887)

The Audubon Society (formed in various states in the 1890s, later consolidated)

The General Federation of Women’s Clubs (GFWC) Conservation Department (1890s)

The National Conservation Commission (1908)

The National Park Service (1916)

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1.  What was the purpose of the National Coast Anti-Pollution League?

National Coast Anti Pollution League formed by state and municipal officials at Atlantic City, New Jersey to stop oil dumping.

2. What type of gasoline was used for the first autos?

The first automobiles used leaded gasoline. Lead was added to gasoline in the 1920s as a tetraethyl lead additive to improve engine performance and prevent knocking. This practice continued for many decades until the harmful health effects of lead became widely recognized, leading to the phased removal of lead from gasoline starting in the 1970s.

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1. What lead people to believe there was a air pollution crisis?

The Donora, Pennsylvania air pollution disaster in 1948 led people to believe there was an air pollution crisis. A four-day weather inversion trapped toxic smoke from steel and zinc works, killing 22 people, hospitalizing 600, and sickening thousands more. The disaster depleted oxygen levels and thickened the air so much that cars couldn’t run, and medical staff had to go door-to-door giving oxygen. This event was one of the first major environmental disasters in the U.S. and spurred new air pollution studies and laws.

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1.  What was the “burning river?”

The "burning river" refers to the Cuyahoga River in Cleveland, Ohio, which famously caught fire multiple times due to the high levels of industrial pollution in the water. The most notable fire occurred in 1969 and became a symbol of environmental neglect, sparking national outrage and helping to drive the environmental movement of the 1960s and 1970s.

2. What is the name of Rachel Carson’s book that started modern environmentalism?

Silent Spring

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1. What government agency is founded?

The Environmental Protection Agency also known as the EPA brings together 15 key federal programs. This was first known as the National Environmental Policy Act creating the Council on Environmental Quality (CEQ)  to give the President advice on environmental issues and review Environmental Impact Statements.

2. How was air pollution reduced?

As Congress passed the Clean Air Act in the 1970s it gave the newly formed EPA the legal authority to regulate transportation pollution. This then had California adopt increasingly stringent standards.

3. How was water pollution reduced?

The Clean Water Act which was amended in 1972 helped grow public awareness and concern for controlling water pollution. This established the basic structure for regulating pollutant discharges into the waters of the United States.

4. What two new sources of pollution begin causing concern?

Water and air pollution arise as factories, cars, and other manufacturing sites become apparent in city life.

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1.  What major disasters occurred during this time?

During this time the Bhopal disaster occurred where a fertilizer plant leaked methyl in the town of Bhopal. This led to over 3,700 dead immediately,  another 8,000 die within a few weeks, and yet another 8,000 die of chronic effects. The other disaster during this period was the Piper Alpha disaster which was the world’s worst-ever offshore catastrophe, following a massive gas leak and inferno on the Occidental-operated platform.

2. What two major issues involving the Earth’s atmosphere arise?

Climate change and pollution.

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1.  How did the Gulf War create pollution?

The Gulf war led to huge quantities of crude oil, going up to about 3.5 million tons, which were released into the desert while another 800,000 tons of oil spilled into the Persian Gulf.

2. What does China construct that causes much controversy?

The construction of the Three Gorges Dam was an engineering feat that caused displacement of 1.3 million people and the destruction of natural features.

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1. What final act did President Clinton sign into law?

President Clinton signed the California Desert Protection Act (S. 21), which designated approximately 7.7 million acres of Federal lands as wilderness.

2. How does the Bush presidency handle global warming and climate change?

Bush's do-nothing policy on global warming began almost as soon as he took office. By pursuing a carefully orchestrated policy of delay, the White House blocked even the most modest reforms and replaced them with token investments in futuristic solutions like hydrogen cars.

3. How does the world react to leaded gasoline?

By the early 2000s, most countries had completely banned the use of TEL in gasoline. Since 2011, leaded gasoline has been banned in every country. A 2011 study backed by the United Nations estimated that the removal of TEL had resulted in $2.4 trillion in annual benefits and 1.2 million fewer premature deaths.