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Sustainability
and NaturalResourceConservation
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What we will cover
• the global environmental picture
– to set the stage for the course
• three strategic themes– sustainability– stewardship– sound science (actually on Friday
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!he "essons of #aster $sland
• society fails to care for the environmentand sustain it
• population increases beyond carryingcapacity
• disparity between rich and poor widens
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%ow to &revent a 'lobal ersion
of the #aster $sland )isaster
• understand how the natural world wor*s
• *now how human and natural systemsinteract
• accurately assess the status and trends of
crucial natural ecosystems• establish long+term sustainable
relationships with the natural world
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!he 'lobal #nvironmental &icture
• rapid human population growth and
increasing consumption per person• decline of ecosystems
• global atmospheric changes
• loss of biodiversity
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Rapid %uman &opulation 'rowth
~7,278,000,000~322,000,000
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'lobal ,tmospheric Changes
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$s there a crisis-
• population (e.ponential increase
• resource consumption and depletion (/nited
States0 12 population uses 342 resources– depleted water supplies
– agricultural soils degraded
– oceans over fished
– forests cut faster than they can grow• pollution
– progress made5 but 67
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Can technology save us-
• really need multidisciplinary science
• biological and social
• problems not always straight forwardto solve– first Clean ,ir ,ct in early 89:4s
– trifluoroacetate (!F,s• replacement for CFC;s
• enters ecosystems from precipitation
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!hree Strategic !hemes
• sustainability0 interactions with the naturalworld that we should be wor*ing toward
• stewardship0 the ethical and moralframewor* of our actions
• sound science0 the basis for our
understanding of how the world wor*s
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/nifying !hemes
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Four )imensions to Sustainable
Solutions
• environmental
• social
• economic
• political
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Sustainability
• meet our needs without preventing futuregenerations and other species from
meeting their needs• seventh generation
<$n our every deliberation we must consider the
impact of our decisions on the ne.t sevengenerations= From the 'reat law of the$ro>uois Confederacy
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Sustainability further defined
• system or process is sustainable if it canbe continued indefinitely without depleting
any of the material or energy resourcesre>uired to *eep it running
– corn?soybean production in $llinois-
– harvesting forests in 'eorgia5 @ritish Columbia5@raAil-
– swordfish in the ,tlantic-
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Stewardship
• ethical and moral framewor* that guidesour actions
• we care for something that is not ours topass on to future generations
• ma*e decisions everyday
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%ow Stewardship $s
)emonstrated
• recognition that a trust has
been given• responsible care for something
not owned
• desire to pass something on tofuture generations
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%istory of Conservation
• realiAed in early B4th century the damagewe had done in /S– logging5 farming5 draining
• ,ldo "eopold in 8933
• then Silent Spring in 89B + Rachel Carson
• 89:4s environmental laws– Clean ,ir5 Water5 #ndangered Species
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Sustainable #thics (what we thin* is
right or wrong
• #arth has limited supply of resources• must be managed carefully• other species re>uire a share of the wealth• core value is that humans and nature are
ine.tricably lin*ed– land ethic5 ,ldo "eopold5 Sand County ,lmanac (89D9
– held that humans were part of a larger community that
included the soil5 water5 plants5 and animals5 which hereferred to as the land
– humans should shift from <con>ueror 6 to plain membersand citiAens of it=
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'lobaliAation
• the accelerating interconnectedness of
human activities5 ideas5 and cultures– health improvements
– global mar*ets
– improved crop yields– dilution or destruction of cultural and
religious ideals
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'lobaliAation
– environmentally friendly consumer goods
– economic reorganiAation of the world– worldwide spread of emerging diseases
– dispersion of e.otic species
– trade in haAardous wastes
– spread of persistent organic pollutants
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!he #nvironment in the B8st
Century• the big issues
– corporate accountability
– globaliAation and W!E– trade and subsidies
– climate and energy
– development priorities and aid
• if we do not change direction5 we will endup where we are heading