L1 Flashcards
What did SF experience during the late 19th century, and why
Population boom bc of gold rush
Nat’l Park, ____ of SF, created in what year
Yosemite Nat’l Park, East, 1890
Disasters that struck SF during ‘06
Earthquake and fire
Study of interaction of humans with the natural env
Env Sci
All conditions that surround an organism
Environment
4 envs
C limate
A ir and water
P resence of other organisms
S oil and other landforms
Including concepts and ideas from other fields of study
Interdisciplinary
Major Env problems
Resource depletion
Pollution
Loss of biodiversity
Can be replenished within a human lifetime, and example
Renewable resources. Timber, water
Can be replenished extremely slowly, if at all.
Nonrenewable resources. Coal, oil, minerals.
Degradation/undesired change in air water or soil that affects the health of living things, also its 2 kinds
Pollution. Biodegradable, nondegradable
Number of difft species present in one ecosystem
Biodiversity
Complete loss of species. Natural even accelerated by:
Extinction. Humans
___ major extinction events in earth’s history
5
Extinctions happening at a slow rate
Background rate
Normal bg extinction rate for mammals
1 in 200 years
Discipline that studies moral relationship opf humans w env
Environmental ethics
Protects and promotes human interest at the expense of other orgs
Anthropo
Nature deserves to exist for its own sake regardless of its usefulness to humans
Ecocentrism
“Greatest good with the greatest number in the long run”
Gifford Pinochet’s resource conservationism
Focus of Resource conservatism is to
Protect open land
Book about effects of pesticide to predatory birds
Rachel Carson’s Silent Spring (1962)
Threats of pollution and other toxic chemicals to humans and other orgs
Modern environmentalism
Essay describing the source of environmental problems as st interest of individuals or lt interest of civilization and earth
Garrett hardin, tragedy of the commons