Early hunter-gatherers are believed to have had minimal environmental impacts
Thought to have believed that animals and humans were nearly interchangeable
Migrated because of changing climate and to find new food sources
Advanced hunter-gathers may have killed off large animal populations, or manipulated forests to
promote animal populations of choice
Agricultural Revolution
Occurred 10,000-12,000 years ago
Believed to have started in Middle East, Southeast Asia, Northeast Africa, Mexico
Developed from annual fields of wild grasses and tubers
Domestication of plants or animals varies by amount available water
Diffusion Theory of the Origins of Agriculture
Corn
Wheat
Rice
Barley
Yams
Potatoes
AgriculturalPractices and Wilderness
Started seeing themselves as separate from plants and animals; that they could be manipulated toward the survival of humans
Planted crops, no intensified agriculture
Slash and burn agriculture, also called “swidden” agriculture
Agriculture Revolution
Jericho – World’s Oldest City
Indus Valley – First Planned
City
Urban Revolution
Higher population densities
Division of labor
Greater sense of security and wealth
Greater need for potable water and food
Invention motivated around movement of water and wastes; intensified agriculture
Concentration of human wastes
Increased infection due to human wastes and air borne diseases
Wilderness and Judeo-Christians
Wilderness represents a refuge from oppressors, like the Pharaoh
A place of hardship, testing, and proving oneself, especially before God
A place that brings one closer to the spiritual life but also a place where monsters and evil spirits can lurk
OldTestament states that is it man’s role to overcome the wilderness and its wild beasts, to dominate it, to cultivate it, to make it suitable for human habitation
Manifestdestiny
Frontier Era (1607-1890)
Homestead Act of 1860’s and the railroad brought humans to the plains
Humans viewed as conquers of environment, not caretakers
View of continent as having endless resources
Killing of animals for sport or dress
John James Audubon He was an American ornithologist, naturalist,
hunter, and painter. He
painted, catalogued,
and described the birds
of North America
between 1827 and
1836.
1846 - SmithsonianInstitution Established
JohnSmithson bequeathed his fortune, art and natural history
collection in
1829 to the U.S.
Government to
start the
institution.
1846 – JosephHenry First Secretary of the
Smithsonian Institution.
Spencer BairdPublishesMan and Nature First grand
conceptualizing of
man’s shaping,
changing, controlling ,
and degrading nature
Industrial-Medical Revolution
Shift from wood to coal as a fuel source
New dependence on machinery
More wasteful attitude toward production
Pollution from noise, dirt and hazardous conditions
Understanding of bacterial infections
Understanding of chemical composition
Greater separation from nature, and processes of production
Poor child laborlaw
Increased amount of pollutants
Industrial- medical revolution
1870 – U.S. Fish CommissionEstablished
First wildlife
protection
agency
established by the United
States.
Mid-19th Century
Government and private groups tried to protect our resources
Forest Preservation Act of 1891 established
John Muir & Theodore Roosevelt
Congress created the US Forest Service in 1905
Congress passed the Antiquities Act in 1906
National Park Service created in 1916
JohnMuir
Founded the Sierra Club
Established the preservationist movement
Lobbied for the creation of national parks
Theodore Roosevelt
Established wildlife reserves
Tripled size of national forests
1872 – Yellowstone National ParkEstablished
First National
Park
Established
Woodrow Wilson
George Perkins Marsh
Considered to be America’s first environmentalists.
One of the first works to document the effects of human action on the environment and helped to launched the modern conservation movement.
Marsh argued that deforestation could lead to desertification.
1879 – USGSEstablished
1905 - Audubon Society Established
What Happened Between 1930 and 1960?
Civilian Conservation Corps established
Depression workers to plant trees, maintain parks, and recreation areas.
They also restored silted water ways and built dams for flood control
1930 – Wood’s Hole Oceanographic Institute Established
1937 – First SanitaryLandfill
Built by Jean Vincenz, the commissioner of public works for Fresno,
Built by Jean Vincenz, the commissioner of public works for Fresno, CA
Charles Elton
Author of Animal Ecology
First saw the natural world as one community
Established ideas of modern population and community ecology,
including studies of invasive
organisms.
Credited with the idea of a “foodchain”
Who Was Aldo Leopold?
Fought for large tracks of wilderness and open areas for hunting and fishing
Founded the profession of game management
Invented the concept of “landethics”
Founder of the Conservation and Environmental Movements
What Happened During the 1960s?
Rachel Carson helps to broaden the concept of resource conservation
Beginning of the environmental movement
People become aware of the relationships between population growth, resource use, and pollution
Congress passes the Wilderness Act in 1964
1962 - RachelCarsonpublishesSilent Spring. 1. Did most of her original studies and research at Wood’s Hole Oceanographic Institute.
2. Later published a famous book about the effects of DDT on the
environment.
What Happened During the 1970s?
First annual Earth Day held in 1970
Richard Nixon establishes the Environmental Protection Agency
Endangered Species Act established in 1973
Bureau of Land Management established in 1978
Carter creates the Department of Energy
Carter passes the Superfund Act in 1980
1970 – NOAAEstablished
Establishment of National Oceanographic and
Establishment of National Oceanographic and Atmospheric
Establishment of National Oceanographic and Atmospheric Administration.
1970 – Earth Day Established
1970 - EPA Established
What Happened During the 1980s?
Anti-environmental movement starts by ranchers and leaders of the oil industry
Regan increases private energy and mineral development, timber cutting and federal funds for research on energy conservation and renewable energy are cut
Wise Use Movement formed which sought to repeal most of the country’s environmental laws