What is the tragedy of the commons
free things get used more
2+ atoms create a
molecule
Industrial Revolution =
population boom
Decade of EPA creation
1970’s
What books sparked environmental revolution (3)
silent spring
river of grass
desert solitaire
Symptoms of nature deficit disorder are
stress, anxiety, depression
carbon makes its way through
biosphere
Lowest % of population to change for ecological difference
5%
endangered species act was during what decade
1970’s
Creator of the natural parks
teddy Roosevelt
TINSTAFL means
there is no such thing as free lunch
Earth cycle not absorbed by humans
nitrogen
Natural materials and energy we need to survive are called
natural resources
first earth day was what year
1970
what states is yellowstone in
Wyoming, Idaho, Montana
Natural resources + ecosystem services =
natural capital
Culmination of cells
organism
How much of our ecosystem services have we used since 1950’s
60%
Fight for national parks began where
sierra nevada
First national park in the world
Yellowstone
Ipat is
Impact = population x affluence x technology
Four cycles of the earth
nitrogen, phosphorous, carbon, hydrologic
Living unsustainably =
ecological deficit
Grandfather of early 20th century environmental preservation
john muir
First national park protected for its richness in biodiversity
Everglades National Park