160 likes | 274 Views
*Original PPT Presentation by: Harvey S. Hayden, Science Dept. Chair Lincoln High School, WI Modified by Keith Tucker, Global Science. * Environmentalism – A History. John Muir Teddy Roosevelt Aldo Leopold Rachel Carson. John Muir “Preservationist”.
E N D
*Original PPT Presentation by: Harvey S. Hayden, Science Dept. Chair Lincoln High School, WI Modified by Keith Tucker, Global Science. *Environmentalism – A History John Muir Teddy Roosevelt Aldo Leopold Rachel Carson
John Muir “Preservationist” • Born in Scotland 1838 • Came to WI as boy • Loved being outside in nature • Very creative, many inventions
John on His Own • He attended Univ. of Wisconsin • Got a job helping run a small factory • Mechanically minded - factory machines & Inventions
Wisconsin to California • Injured when file pierced his eye • Swore he’d give life to God’s Creation (Nature) if sight returned • Spent 6 years reading,writing & studying in Yosemite
http://www.pdphoto.org www.stanford.edu/morganimages/scenery/yosemite/yos_falls_2/html/yf02-yosemite-falls.html
Fought for Wilderness • Founded Sierra Club • Wanted National Park System • Fought for preservation of wilderness areas • Tried to stop Hetch-Hetchy dam project • Died in 1914
Teddy RooseveltAvid Hunter, 26th President (1901-1909), War hero Increased protected forested lands from 43 million acres to over 194 million Area size of Maine to Virginia! "Forests are the lungs of our land, purifying the air and giving fresh strength to our people." http://en.wikipedia.org/wiki/Theodore_Roosevelt
Roosevelt ““A nation that destroys its soils destroys itself” “A nation that destroys its soils destroys itself,“ http://newyorkcityfinest.blogsome.com/category/education
Aldo Leopold “The Land Ethic” “land is to be loved and respected is an extension ethics” “individual responsibility for the health of land.”
Aldo Leopold (1887-1948) • Yale University Forestry Degree • 1st job U.S. Forest Service N. Mexico • Concerned About Loss of Wilderness
Life in Wisconsin • Started Game Mgmt. Dept. at UW • 1st textbook on Wildlife management (1933)
The Land Ethic Philosophy • Moved family to old farm and started ecological experiment • – Restoring prarie lands, planting 1000s of trees and documenting landscape changes. • “A Sand County Almanac” –collection of essays about nature/natural world http://www.historycooperative.org/journals/ht/37.1/frese.html
Rachel Carson & “Silent Spring” • Born 1907 Penn. • Concerned About Pesticide Overuse • “Silent Spring” 1962
Professional Biologist • Earned Two Biology Degrees • Job With Bureau of US Fisheries • Researched Oceanography & Marine Biology • Book “The Sea Around Us” Bestseller for 86 Weeks
DDT & Food Web • A Friend Asked Her To Help Investigate Bird Deaths • Researched DDT’s Environmental Effects • Was Discredited by Chemical Company • “How Can A Woman Be a Good Scientist?”
“Silent Spring” – Rachel Carson • Worked on Silent Spring for Years • Received Pressure From Chemical Companies to Be Quiet • Finally Published Book • Was Commended by President Kennedy • Died of Breast Cancer 1964