Biodiversity
Species diversity
only refers to a population
Ecological deficit
humans living unsustainably
Point source pollution
identifiable
environmentalism is
social movement for protecting natural world
Life spans globally
increasing
Invasive species _______________ native species
outcompete
First story of environmental preservation in 20th century
john Muir, Sierra Nevada
How long for degraded environments to recover
100s - 1000s of years
Industrial revolution=
Population boom
Lacy act
birds/1970s
Niches may
overlap. Be broad/narrow
Solutions for natural capital
scientific, political, economic
Stress, anxiety, depression
nature deficit disorder
EPA founded
1970
Revolutionary book in mid 20th century
silent spring
Endangered species act
1950s
effects of poverty
Harmful/health
Tinstafl
there is no such thing thing as free lunch
overused ~60% of
ecosystem services
Ipat
impact = population x affluence x technology
Mutualism is example of
keystone species effect
ecosystrem cycles
phosphorous, carbon, hydrologic, nitrogen
First earth day
april 1970
Tragedy of the commons
free = used more
Worldview with humans part of & dependent nature
earth centered