3. Environmental degradation is nothing
new!
[deg-ruh-dey-shuhn]
the wearing down of the land by the erosive
action of water, wind,
4. The Fall of Troy
3000 years ago “Homer” wrote of the ancient city
of Troy.
Troy was situated below a wooded hillside.
5. The Fall of Troy
Deforestation led to erosion
(d -fôr -sta sh n)
The cutting down and removal of all or
most of the trees in a forested area.
Deforestation can erode soils, contribute to
desertification and the pollution of
waterways, and decrease biodiversity
through the destruction of habitat.
(i-ˈrō-zhən)
the process by which the surface of the
earth is worn away by the action of water,
glaciers, winds, waves, etc.
6. The Fall of Troy
Soil blocked the harbour
Ships could not get in or out
Eventually the thriving seaport ground to a halt
Troy’s economy was dependent on shipping
8. Theodore Roosevelt
"The conservation of natural resources is the
fundamental problem. Unless we solve that
problem it will avail us little to solve all others."
Theodore Roosevelt.
October 4, 1907
9. Theodore Roosevelt
Was our “Conservationist
President
Established the
National Forest
and Parks System
10. Theodore Roosevelt
Went to the badlands in South Dakota to hunt
There he became concerned by the destruction of big
game species and overgrazing of the grasslands
11. Theodore Roosevelt
Established 51 Federal Bird Reserves
Four national game preserves
150 National Forests
Five National parks
Protected 230,000 acres of land!
14. Aldo Leopold
Known for his “concept of the land” ethic
We abuse land because we
regard it as a commodity
belonging to us. When we see
land as a community to which
we belong, we may begin to use
it with love and respect.”
Foreword to A Sand County
Almanac (1949), ASCA viii.
15. Aldo Leopold
Said we need to repair the damage we have caused as
well as take care of the land
20. John Muir
Muir founded the Sierra club in 1892 to “do
something for the wilderness and make the
mountains glad.”
The Sierra club is the oldest, largest and most
influential grassroots environmental organization
in the U.S.
22. Rachel Carson
• Before there was an
environmental movement, there
was one brave woman and her
very brave book (Silent Spring)
Peter Matthiessen
23. Rachel Carson
Was aware of the dangers of pesticides such as DDT
DDT was important to agriculture
24. Rachel Carson
Wrote the book Silent Spring
Warned the public about the dangers of misusing
pesticides
25. Rachel Carson
She was attacked by pesticide companies who
wanted to discredit her work
26. Rachel Carson
Her book influenced President Kennedy to call for
testing of the chemicals mentioned in the book.
She testified before a congressional committee
Carson has been called the mother of the modern
environmental movement.
27. Rachel Carson
DDT was banned as a result of her study
Time Magazine elected her “one of the 100 most
influential people of the century”
http://www.youtube.com/watch?v=vbtp2B-IFmw