3. Humans got the energy they needed to survive from the sun, wind, and wood for timber. The Greeks and Romans tried to prevent many trees from being cut down.

4. Soil conservation was being practiced in China, India, and Peru because they knew the long-term effect of soil erosion and tried to stop it.

5. Lead poisoning was a problem because people would ingest lead as a sweetener for wine or as a condiment. This led to the decline of the Roman Empire.

2. Yes, wood was being harvested causing an excess of air pollution.

3. The plague was decreasing populations in Europe and Asia by 33% to 75% but led to the beginning of a public health system in Europe.

2. Leaded gasoline was used for the first autos.
3. The chemurgy movement was fighting for the industrial use of renewable agricultural resources.

2. The Malthusian perspective states that human population growth expands exponentially, while food production struggles to keep up and only grows in a linear fashion.

3. As technology began to advance, so did consternation about the environment’s state of affairs. An example of this is the English scientist Percival Pott, who declared coal as a leading cause of cancer for chimney sweeps.

4.Sanitation became essential because of the rise of diseases from increased pollution from industrialization.

5. According to William Wordsworth, an enraged English poet, air pollution caused by the Industrial Revolution led to the loss of ‘fresh air,’ which indicates a rise in the belief of poor air quality at this time.

6. Due to the many laws imposed attempting to mitigate water pollution, it is clear that unclean water systems were a crisis that needed to be mended.

7. The public was rightfully outraged that such a magnificent spectacle of nature was mutilated for the benefit of amusement in carnival shows.

2. Theodore Roosevelt fought for the wise use of materials for the future while accommodating what was necessary for the present.

3. The new organizations that were formed were the Coal Smoke Abatement Society, the National Audubon Society, and the National American Woman Suffrage Association.

2. Silent Spring is the name of Rachel Carson’s book that started modern environmentalism.

2. The construction of the Three Gorges Dam in China caused the destruction of many homes and the flooding of many farmlands in the area.

2. Bush enacted the kyoto protocol preventing the release of 500 million metric tons of greenhouse gas.

3. Although the world doesn’t like the emissions, many cars and planes use leaded gasoline which is the largest source of lead emissions in the US.