the env. and society ch. 1 sec. 2. sharing common resources ocean – transporting and fishing ...
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Sharing Common ResourcesSharing Common Resources
Ocean – transporting and fishingOcean – transporting and fishing Neighborhood Park - sports, outdoor Neighborhood Park - sports, outdoor
activitiesactivities
““Tragedy of Commons”Tragedy of Commons”
Garrett HardinGarrett Hardin
Overuse of land area which led to Overuse of land area which led to destructiondestruction
““Tragedy of Commons”Tragedy of Commons”
Responsibility of maintaining Responsibility of maintaining resourceresource
If not, then resource will be overused If not, then resource will be overused and become depletedand become depleted
Economics and the Env.Economics and the Env.
Law of Supply and DemandLaw of Supply and Demand– The greater the demand for a limited The greater the demand for a limited
supply of something, the more that supply of something, the more that thing is worththing is worth
– Oil and priceOil and price
Costs and BenefitsCosts and Benefits
Cost benefit analysisCost benefit analysis– Balances the cost of the action against Balances the cost of the action against
the benefits one expects from it.the benefits one expects from it.Results depend on who is doing it Results depend on who is doing it
(industry/neighborhood)(industry/neighborhood)
Risk AssessmentRisk Assessment
The cost of any action is the risk of The cost of any action is the risk of an undesirable outcomean undesirable outcome
Cost analysis includes a risk Cost analysis includes a risk assessmentassessment
An Example ... Crossing The Road
Developed countriesDeveloped countries higher average incomes,higher average incomes, slower population growth slower population growth diverse industrial economies diverse industrial economies stronger social supportstronger social support
Australia, Austria, Canada, France, Germany, Italy, Japan, Russia, the UK, and the US
Developing countriesDeveloping countries
Lower average incomesLower average incomes Simple and ag based economiesSimple and ag based economies Rapid pop growthRapid pop growth
Developed and delevelopingDeveloped and deleveloping
Have different consumption patterns Have different consumption patterns which affect the env. in different which affect the env. in different waysways
Population and ConsumptionPopulation and Consumption
Env. Problems causes:Env. Problems causes:
1.1. Human population in some areas is Human population in some areas is growing too quickly for env. to growing too quickly for env. to support itsupport it
Population and ConsumptionPopulation and Consumption
Env. Problems causes:Env. Problems causes:
2. People are using up, wasting, or 2. People are using up, wasting, or polluting many natural resources polluting many natural resources faster than they can be replaced or faster than they can be replaced or cleaned up.cleaned up.
Population PressuresPopulation Pressures
Population increases too fast, may Population increases too fast, may not have enough resources to not have enough resources to support it.support it.
MalnutritionMalnutrition StarvationStarvation diseasedisease
Consumption TrendsConsumption Trends
Developed countries rate of Developed countries rate of consumption creates more waste and consumption creates more waste and pollution per person than in pollution per person than in developing countriesdeveloping countries
Ecological footprintEcological footprint
the productive area of Earth need to the productive area of Earth need to support one person in a particular support one person in a particular countrycountry