1. History of Ecology Our Significant Past Our Common Future

2. Our Past Hunting and Gathering Agriculture  Began 10,000 years ago Industrial Revolution  Mid 1700s

3. Industrial Revolution

4. The Industrial Revolution Shift in energy usage from humans and animals to fossil fuels Increased ability to transform the environment Increased energy use Increased waste Increased globalization Increased population

5. Short History of Environmental Philosophy 1800s  Begin to see resource depletion as organisms go extinct and become threatened as forests are cut down, prairies turned to crop land: –Henry David Thoreau - writer / naturalist –John Muir - Sierra Club / conservationist –Theodore Roosevelt-conservationist/ president

7. Early 1900s Begin to see disastrous effects of over farming and clear cutting land –Dust bowl

8. Post World War !! Introduction of plastics, pesticides, inorganic fertilizer –DDT –PCBS –LEAD IN GASOLINE Automobiles Electricity New Inventions

9. Age of Conservation 1930-1960 Many scientists recognize problems. Call for CONSERVATION Protecting land Pollution not an issue quite yet. Also Leopold Humboldt Odum

10. Troubles Begin-1960s People take notice Many people begin to notice problems with environment Rachel Carson – missing birds; “Silent Spring” Lois Gibbs - Cancer and birth defects - Love Canal Green Peace, Sierra Club, Earth First, Wilderness society!!

11. Cuyahoga River Catches fire 1969

12. 1962 Silent Spring fear over DDT

13. Spraying DDT while people played

14. Lois Gibb and Love Canal

16. Government Organizations

17. Problems to Solve Minimizing waste including pollution –Water, air and land pollution Using resources wisely Over population -Energy consumption and usage

18. Examples of Problems and Solutions 1987 Montreal Protocol  Agreement to stop using CFCs (Chlorofluorocarbons). –Destroy ozone IPCC  International Panel of Climate Change Kyoto Protocol  Agreement to reduce green house gasses.

19. OVERALL GOAL!! Live today so as not to compromise the future  everything in moderation SUSTAINABILITY IS LIVING TODAY SO AS NOT TO COMPROMISE THE FUTURE