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7/29/2019 Submission in Response to Victorian State Government's Climate Change Green Paper, September, 2009
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SubmissioninResponseto
VictorianStateGovernments
ClimateChangeGreenPaper
Preparedby
September2009
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Contents
SECTION PAGENO.
1. Introduction 3
2. ExecutiveSummary 5
3. InformingtheCommunity 6
4. GreenhouseGasEmissions 7
5. WaterConsumption 12
6. Pricing 15
7. ComparativeNutritionalandEnvironmentalImpactofAlternativeDiets 16
8. Conclusion 20
References 21
Submissionauthor:PaulMahonywithadditionalcommentsandgeneraleditingbyBrucePoonandLefkiPavlidis.
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Thispaperfocusesonthecriticalimpactsofanimalagricultureonclimatechangeandwateruse.Thereareothersignificantenvironmentalimpactsattributedtoanimalagriculture,suchaslossofbiodiversity,landdegradationandwaterpollution.However,itisnotinthescopeofthis paper to address them. Valuable explanations on these matters can be found in thepaper by Mahony referred to in the first paragraph of this section and also VegetarianNetworkVictoriasbooklet EatinguptheWorld:theEnvironmentalConsequencesofHuman
FoodChoices.2
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2.ExecutiveSummary
InformingtheCommunity: WhilsttheVictorianGovernmenthasbeenwillingtospendmoneyonadvertisementsthat
encourageustoturnoffelectricalappliancesandtakeshortershowers,ithassaidlittle,if
anything,about the dramaticeffectofourfoodchoiceson the environment. This mustchange;theGovernmentmusthelptoinformthecommunity.
GreenhouseGasEmissions:
Animalagriculturewillhavea biggerimpactonclimateduringthe next20yearsthanall
Australias coal fired power stations combined, potentially causing us to reach tippingpointsthatleadtocatastrophicandirreversibleclimatechange.
WaterConsumption: HouseholddirectwaterconsumptionforVictoriaonlyrepresentsaround8%oftheState's
totalwaterconsumption.Animalagricultureisresponsiblefor51%,whilstdairyfarming
aloneaccountsfor34%. MostVictorianhouseholdwaterconsumptionisindirectconsumptionthroughpurchases,
withfoodcontributingthelargestshare. Accordingly,modifyingfoodchoicescanhaveafarmore significant effect on water consumption than actions taken in and around thehome,withsignificantbenefitsforourriversystems.
Much of the enormous expenditure on new water-related infrastructure projects, along
with the environmental and other consequences of such projects, could potentially beavoidedorreducedifconsumersmodifiedtheirdiets.
Pricing: Weneedtoensurethatweallocateourresourcesinaneconomicallyrationalmanner,in
accordancewithefficientmarketpractices.Thiswouldbeachievedbyensuringthatinputprices allowfor externalities, i.e. consequences of the production and delivery processthat are experienced by parties who are not directly involved inthe transaction. Suchpricingshouldreflectalltheenvironmentalcostsassociatedwithproducinganddeliveringgoodsandservices.
TheVictorianGovernmentcaninfluencethepricingoffoodproductsbytheproperpricing
of water and other inputs. With the high level of exports from our animal agriculturalsector,wearecurrentlyeffectivelyexporting(forexample)massiveamountsofourstatespreciouswateratpriceswhichgrosslyunderstateitstruevalue.
ComparativeNutritionalandEnvironmentalImpactofAlternativeDiets:
Aplant-baseddietgenerallyfarexceedsanimal-basedalternativesintermsofnutritional
yieldsandenvironmentalbenefits.
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4.GreenhouseGasEmissions
Isaythatthesinglemosteffectiveactionthatapersoncantaketocurbglobalwarmingis
supportamoratorium,andeventualphase-out,ofcoal-firedpowerplants.
However,inourpersonallifestyles,themosteffectiveactionistobegintoalterourdietmore
towardvegetarian.Idonotbelieveitisrealistictoexhorteverybodytobecomevegetarian,
butwecangreatlyreducethestressontheplanet,includingglobalwarming,withrealistic
changesbyalargenumberofpeople.Ihavebecome80-90%vegetarian.Forthesakeof
nutritionandbecauseofavailablechoices,becoming100%vegetarianisnoteasy,andnot
essential,inmyopinion.Butachangeinthatdirectionisoneofthebestthingswecando
probablymoreeffectivethanbuyingaPrius.
JamesHansen,HeadoftheGoddardInstituteforSpaceStudies,NASA5
Basedona20-yearGWP(i.e.globalwarmingpotential)i,livestockinAustraliaproducemoreCO2-equivalentemissionsthanallourcoal-firedpowerstationscombined.
6
A20-yearGWPisparticularlyimportantwhenconsideringtheimpactoflivestock,becausemethane, a critical factor in livestocks greenhouse effects, generally breaks down in theatmospherein912years.Accordingly,a100-yearGWP(whichshowstheaverageimpactoveraperiodof100years)greatlyunderstatesmethanesshorter-termimpact.Although methane may have a shorter life than carbon dioxide (which remains in theatmosphere formany hundredsof years), its impactcanbelongtermif itcontributes tousreachingtippingpointsthatresultinpositivefeedbackloopswithpotentiallyirreversibleandcatastrophicconsequences.Otherimpactsoflivestockproduction,suchasdeforestationforanimalgrazing,canhavesimilarlydevastatingresults.
Anexampleofatippingpointisthethawingofpermafrost(frozenland)inRussia,Canada,Alaskaandelsewhere,whichcausesthepermafrosttoreleasemassiveamountsofmethane.Moremethanemeansmorewarming,morepermafrostthawing,moremethanereleaseandso on. This leads to runaway climate change, which no longer depends on emissionsgeneratedbyhumankind.
Althoughmethanemayhaveashorterlifethancarbondioxide(whichremainsinthe
atmosphereformanyhundredsofyears),itsimpactcanbelongtermifitcontributestous
reachingtippingpointsthatresultinpositivefeedbackloopswithpotentiallyirreversibleand
catastrophicconsequences.Otherimpactsoflivestockproduction,suchasdeforestation,
canhaveasimilarresult.Theremainingcommentsinthissectionarebasedona100-yearGWP,whichunderstateslivestocksimpact.However,relativecomparisonswithothersectorscanstillbemadethatundoubtedlyshow the majoreffect ofthe livestockindustry onthe warming ofour planetsatmosphere.
i Theemissionsofdifferentgasescanbeaggregatedbyconvertingthemtocarbondioxide
equivalents(CO2-e).Theyareconvertedbymultiplyingthemassofemissionsbytheappropriateglobalwarmingpotentials(GWPs).GWPsrepresenttherelativewarmingeffectofaunitmassofthegaswhencomparedwiththesamemassofCO2overaspecificperiod.Formethane,the
GWPsusedbytheUNsIntergovernmentalPanelonClimateChange(IPCC)are21for100yearsand72for20years.TheUNFood&AgricultureOrganizationusedaGWPof23forthe100yeartimehorizoninits2006LivestocksLongShadowreport.
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GHGEmissionsIntensity
0
10
20
30
40
50
60
W heat Oth ergrai ns Sugar W ool B eef Sh eep me at Pi gm eat Cem ent,lime,etc
Steel Aluminium Othernon-ferrous
kgofGH
Gperkgofproduct
Thegreenhousegas(GHG)emissionsintensityiiofcarcassbeefin1999(thelatestavailable
figures) was more than twice that of aluminium smelting.7 To add some perspective,aluminium smelting consumes 16% of Australias (mainly coal-fired) electricity
8 whilst ourannualtonnageofbeefproductionisaround10%higherthanthatofaluminium .9&10.TheGHGemissionsintensityofvariousproductscanbedepictedasfollows:
Inabsoluteterms,GHGemissionsinAustraliafrombeefalonearenearlydoublethoseofallnon-ferrous metals, including aluminium, as illustrated in the following chart from theAustralianGreenhouseOfficesNationalGreenhouseInventory:
7
ii EmissionsintensitymeasuresthetonnesofCO2-equivalentgreenhousegasespertonneofcommodityproduced.
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0
5
10
15
20
25
30
35
FoodItem
kgCO2-e
perkgofproduct
Carrots:domestic,fresh
Potatoes:cooked,domestic
Honey
Wholewheat:domestic,cooked
Apples:fresh,overseasbyboat
Soybeans:cooked,overseasbyboat
Milk:domestic,4%fat
Sugar:domestic
Italianpasta:cooked
Oranges:fresh,overseasbyboat
Rice:cooked
Greenbeans:SouthEurope,boiled
Herring:domestic,cooked
Vegetables:frozen,overseasbyboat,boiled
Eggs:Swedish,cooked
Rapeseedoil:fromEurope
Chicken:fresh,domestic,cooked
Cod:domestic,cooked
Pork:domestic,fresh,cooked
Cheese:domestic
Tropicalfruit:fresh,overseasbyplane
Beef:domestic,fresh,cooked
Researchers at the University of Chicago have found that converting from a typicalWesterndiettoaplant-baseddietis50%moreeffectiveinreducingGHGemissionsthanchangingonescarfromaconventionalsedantoahybrid.
11
According to the United Nations Food and Agriculture Organization in its 2006LivestocksLongShadowreport,thelivestocksectorproducesaround40%moreGHG
emissionsthantheentireglobaltransportsystem.12
ArecentSwedishstudyhasprovidedGHGemissionsintensityfiguresforawiderangeoffoods,includinglegumes,fruitandvegetables,commoditieswhichareoftenoverlookedinreportsonthissubject.ItincludedCO2-eemissionsinvolvedinfarming,transportation,processing,retailing,storageandpreparation.
13
Somekeypointsfromthestudywereasfollows:
Beefistheleastclimateefficientwaytoproduceprotein,lessefficientthan
vegetablesthatarenotrecognisedfortheirhighproteincontent,suchasgreenbeansandcarrots.Itsemissionsintensity("Beef:domestic,fresh,cooked")is30,asshown
inthefollowingchart,whichcomparesittovariousotherproducts:
Stated another way, per kilogramof GHG emissions produced,carrots have more
proteinthanbeef.Bythesamemeasure,wheathasaroundthirteentimesandsoybeans around tentimesmore protein than beef, as demonstrated by the followingchart:
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Finally,toproperlyaccountforCO2-eemissions,weneedtoaskwhatwedowiththeenergywhich,according tothe National Greenhouse Inventory,is the most significant contributor.Theansweris that weuseit inindustry,in agricultureandin domestichomes. Inorder toproperlybreakouttheuseofenergywithinAustralia,anddeterminewhichindustriesusehowmuch when all their inputs and outputs are taken into account, another kind of economic
reportisrequired.TheCSIROandtheUniversityofSydneyhaveproducedsuchareport,entitled"BalancingActATripleBottom-LineAnalysisoftheAustralianEconomy".
17Thereportanalysed135
sectorsoftheAustralianeconomy,focusingonenvironmental,socialandfinancialindicators.Thereport showedthat when end-use is considered, animalindustries areresponsible forover30%oftotalgreenhouseemissionsinAustralia,asfollows:
IndustrySector MegatonnesCO2-e
Percent
BeefCattle 122.5 23.6
Sheep&ShornWool 23.9 4.61
DairyCattle&Milk 8.8 1.7
Pigs 1.3 0.25
CommercialFishing 0.68 0.13
MeatProducts 0.68 0.13
OtherDairyProducts 0.59 0.11
Poultry&Eggs 0.58 0.11
Total 159.03 30.64
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34.26%
8.10%5.24%
1.98%
15.89%
31.47%
2.28%
DairyFarming
OtherAgriculture,incl.beef&sheep
ServicestoAgricuture
Forestry&Fishing
Mining
Manufacturing
Electricity&Gas
Watersupply
Otherindustries
Household
5.WaterConsumption
Animalagricultureisresponsiblefor51%ofVictoriaswaterconsumption.Thedairyindustryaloneisresponsiblefor34%.
Directwaterconsumptionbyhouseholdsonlyrepresents8%ofthestatestotalconsumption.SowhydoestheStateGovernmentfocusitswater-savingadvertisingonshortershowers?Why not informthe community that they canhavea farmore significant impacton overallconsumption,andhelptosaveourgreatrivers,byfocussingontheirdiets?
Ourconsumptionfigurescanbeviewedgraphicallyasfollows,basedoninformationfromtheAustralianBureauofStatistics:18&19
VictorianWaterConsumption2004-05
WaterUsedonVictorianFarms2004-05
77.0%
9.0%
10.0%
3.0%
1.0%
PastureforGrazing&HayProduction,incl.Dairy,Beef&Sheep
Grapevines
Nurseries,Flowers,Turf
Cereal&BroadacreCrops
FruitandVegetablesforHumans
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(2003)suggeststhatananimalproductbaseddietmayneed10timesmorewaterthanavegetariandiet.24Certainlythewaterefficiencyofvegetableproductionisstartling.
Based on the estimated water consumption of the average Australian householdcomparedtoavegetarianhousehold(i.e.nomeatordairyproducts)aspresentedbytheauthors,subsequentcalculations(notincludedintheresearchpapers)indicatethatthe
average Australian could save 2,592 litres per day, or 946,000 litres per annum, bychangingtoavegetariandiet.
Thatfigurecomparesextremelyfavourablytothe17litresperpersonperday(6,205litresper person perannum) that was saved in Melbourne under Stage 3 water restrictionsbetween2005and2006.
25
Italsocomparesextremelyfavourablytothe20,000litresperannumsavedbyusinga3star showerhead and limiting showers to 4 minutes (not referred to in the researchpaper).
26
Thecomparisoncanbeviewedgraphicallyasfollows:
MuchofVictoriasenormousexpenditureonnewwater-relatedinfrastructureprojects,alongwiththeenvironmentalandotherconsequencesofsuchprojects,couldpotentiallybeavoidedorreducedifconsumersmodifiedtheirdiets.
ComparativeWaterSavings
('000litresperannum)
0
200
400
600
800
1,000
VegetarianDiet(no
meatormilk
products)
Stage3Savings 3StarShowerhead&4MinuteShowers
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6.PricingWe need to ensure that we allocate our resources in an economically rational manner, inaccordancewithefficientmarketpractices. Thiswouldbeachievedby ensuringthatcurrentexternalities areaccountedfor in the economic systemthrough appropriate resource rentsand charges. Consequences of the production and delivery process that pollute the
commons,extractpreciousresourcesorrelyonanunpaidmonopolyusemustbesubjecttofees,suchthatthepublicarecompensatedforthesepractices.Thusthepricepaidforgoodsand services would more fully reflect the total costs, including environmental costs,associatedwiththeirproductionanddelivery.
Governmentscaninfluencepricingthroughtaxesoninputs,emissionstradingschemesandthe like. Due tothemassive impact ofanimal agricultureon greenhouse gas emissions, itmust be included in the Federal Governments proposed emissions trading scheme if it isintendedtoproducesubstantiveemissionsreductions.
The State Government must also consider taking appropriate resource rents for thecommonwealthofthepeopleonwaterandotherinputsthatrightlybelongtoeveryone.Withthe high level of exports from our animal agricultural sector, we are currently effectively
exporting,forexample,massiveamountsofourstatespreciouswateratpriceswhichgrosslyunderstateitstruevalue.
iii
Thefailuretotakeappropriateresourcerentsmerelyfuelsspeculationandmonopolybehaviourinresourcemarkets,withdetrimentalimpactsonthestateeconomy,andallowsspeculativemonopolistintereststoextracttherentsforprivategain.
In a 2005 article on the CSIRO and University of Sydneys Balancing Act report (refer toSection 4), The Canberra Times stated, Market prices for beef do not reflect the fullenvironmentalcostsofproduction...andtheAussiemeatpiecertainlycontributesitssharetoclimatechangeandlandclearing.27
Also,Insteadof beinginfluencedby high-poweredadvertising,celebrityendorsement,habit
or cheapness, weshould be making choices based on minimising our contribution to landdegradation,excessivewateruseandclimatechange.
The article quoted the leader of the team that prepared the report, CSIRO researcher, DrBarneyForan,assaying,'Weneedtobealotbettereducatedaboutwhatwebuy.It'sourconsumptionthatdrivestheeconomy.Wecannotblamegovernmentsallthetime,whenwearepartoftheequation.''
Thearticlecitedthereportitselfbystating, ''Oneoftheinsightsemergingfromthisanalysisisthatthepricesconsumerspayforprimaryproductionitemsdonotreflectthefullvalueofthenaturalresourcesembodiedintheirproductionchains.ItquotedDrForanassaying, Weshouldbepayingmore forproducts thathaveahighenvironmental accountbalance. Theconsumershouldbeexpectedtopayarealisticpriceforfoodsothatweplayapartinfixingupthebush,insteadofsittingintownandwringingourhandsaboutit.''
Livestockareoneof themostsignificantcontributorstotodaysmostseriousenvironmentalproblems.Urgentactionisrequiredtoremedythesituation.HenningSteinfeld,UnitedNationsFood&AgricultureOrganization,2006
iiiDairyandmeatproductswerethehighestvaluefoodexportsfromVictoriain2008,with34%($2.399billion)and23%($1.587billion)respectivelyoftotalfoodandfibreexports.Victoriaaccountedfor25%ofAustraliastotalfoodandfibreexportsandwasAustraliaslargeststateexporter.(Source:DeptofPrimaryIndustries,SummaryofVictorianFoodandFibreExportPerformance2008CalendarYear,
http://www.dpi.vic.gov.au/DPI/nrenti.nsf/LinkView/9E2D508EF2FB4520CA25759A000C265B5B65FD3894DB84E6CA2574AC000CF430/$file/Summary%20Victorian%20Food%20and%20Fibre%20Export%20Performance%202008.pdf(accessed20September2009)
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References1 Mahony,P.IsThereAnythingThatICanDo?Yes,ModifyYourDiet!,9July2008,
http://www.climatechange.vic.gov.au/summit/Resources/Submissions/Submission%20-%20Paul%20Mahoney.pdf(accessed19September2009)andWhitehead,A.VictoriaClimateChangeSummitPaperSubmission,undated
http://www.climatechange.vic.gov.au/summit/Resources/Submissions/Submission%20-%20Adrian%20Whitehead.PDF(accessed19September2009).
2 VegetarianNetworkVictoriaEatinguptheWorld:theEnvironmentalConsequencesofHumanFoodChoices,2009,http://www.vnv.org.au/site/files/eatinguptheworld.pdf
3 Canning,S.,Feedthemarketmeat:adsmaintaindemand,TheAustralian,10December,2007,
Australia/NewZealandReferenceCentre,AccessionNo.2007121010387332274 Dowling,J.,BracksSecretState,TheSundayAge,24September,2006,Australia/NewZealand
ReferenceCentre,ISSN1034-1021,AccessionNumber:SYD-5BGLHEYS2O4103IJ1D0S5 Hansen,J,citedinSubmissiontotheGarnautReviewbyGeoffRussell,PeterSingerandBarry
Brook,http://www.climatechange.gov.au/greenpaper/consultation/pubs/0409-russell.pdf6 Brook,Prof.BarryandRussell,Geoff,MeatsCarbonHoofprint,AustralasianScience,Nov/Dec
2007,pp.37-39,http://www.control.com.au/bi2007/2810Brook.pdf7
GeorgeWilkenfeld&AssociatesPtyLtdandEnergyStrategies,NationalGreenhouseGasInventory1990,1995,1999,EndUseAllocationofEmissionsReporttotheAustralianGreenhouseOffice,2003(Figure7.7,p.111),http://www.climatechange.gov.au/inventory/enduse/pubs/endusereport-volume1.pdfandhttp://www.climatechange.gov.au/inventory/enduse/index.html(FigureS2)
8 Hamilton,C,Scorcher:TheDirtyPoliticsofClimateChange,(2007)BlackIncAgenda,p.40
9 Knapp,Ron,AustralianAluminiumCouncil,Letter10April2008toProfRossGarnaut,Garnaut
ClimateChangeReview(Table3),http://www.garnautreview.org.au/CA25734E0016A131/WebObj/D0846236ETSSubmission-AustralianAluminiumCouncil/$File/D08%2046236%20ETS%20Submission%20-%20Australian%20Aluminium%20Council.pdf
10 AustralianBureauofStatistics,Report7215.0LivestockProductsAustralia,Dec2006,p.20
11 Eshel,AsstProfGidonandMartin,AsstProfPamela,UniversityofChicago,citedinItsbetterto
greenyourdietthanyourcar,NewScientist,17Dec2005,Issue2530,p.1912
FoodandAgricultureOrganizationoftheUnitedNations,2006LivestocksLongShadowEnvironmentalIssuesandConcerns,Rome
13 Carlsson-Kanyama,A.&Gonzalez,A.D."PotentialContributionsofFoodConsumptionPatternsto
ClimateChange",TheAmericanJournalofClinicalNutrition,Vol.89,No.5,pp.1704S-1709S,May2009,http://www.ajcn.org/cgi/content/abstract/89/5/1704S
14 AustralianGovernment,DepartmentofClimateChange,"AppendixDAnalysisoftheemissions
intensityofAustralianindustries-CarbonPollutionReductionSchemeGreenPaper2008",p.500,http://www.climatechange.gov.au/greenpaper/report/pubs/greenpaper-appendixd.pdf
15 HorticultureAustraliaLimited"TheAustralianHorticultureStatisticsHandbook2004",pp9&10
http://www.horticulture.com.au/docs/industry/Statistics_Handbook.pdf16
Ibid.17
TheUniversityofSydneyandCSIRO,2005,"BalancingActATripleBottomLineAnalysisofthe
AustralianEconomy",http://www.cse.csiro.au/research/balancingact/18 AustralianBureauofStatistics,WaterAccount,Australia,2004-05,4610.0,MediaRelease
112/2006,November28,2006,http://www.abs.gov.au/ausstats/[email protected]/mediareleasesbyTopic/CF764A3639384FDCCA257233007975B7?OpenDocument#andhttp://www.ausstats.abs.gov.au/ausstats/subscriber.nsf/0/DE8E081CDE6116D6CA25727900069279/$File/46100_2004-05_pt2.pdf(accessed21March2009)
19 AustralianBureauofStatistics,WaterUseonAustralianFarms,2004-05,4618.0
http://www.ausstats.abs.gov.au/ausstats/subscriber.nsf/0/22F0E63FEA4A8B63CA2571B500752B52/$File/46180_2004-05.pdff(accessed21March2009)
20 Meyer,W.1997"WaterforFood-TheContinuingDebate"
http://www.clw.csiro.au/publications/water_for_food.pdf(accessed21March,2009)21
Meat&LivestockAustraliaFastFacts2008:AustraliasBeefIndustry,
http://www.mla.com.au/NR/rdonlyres/3EF73ECB-4FBB-4455-A561-14CC636D7ADB/0/BeefFastFacts2008.pdf
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Pimentel,D&Pimentel,M,"Sustainabilityofmeat-basedandplant-baseddietsandtheenvironment",AmericanJournalofClinicalNutrition2003;78(suppl):660S-3S,http://www.ajcn.org/cgi/content/abstract/78/3/660S(accessed21March,2009)(DownloadfullPDFversionfromrightofscreeninreferencedwebpage.)
23 IanRutherfurd,SchoolofSocialandEnvironmentalEnquiry,UniversityofMelbourne,Amelia
TsangandSiaoKheeTan,DepartmentofCivilandEnvironmentalEngineering,UniversityofMelbourne(2007)Citypeopleeatrivers:estimatingthevirtualwaterconsumedbypeopleinalargeAustraliancity,http://www.csu.edu.au/research/ilws/news/events/5asm/docs/proceedings/Rutherfurd_Ian_348.pdf(accessed21March,2009)
24 Renault,D.(2003)VirtualWaterValueinFoodSupplyManagement,HouilleBlanche-Revue
InternationaleDeLEau(1):80-85,citedinCitypeopleeatrivers:estimatingthevirtualwaterconsumedbypeopleinalargeAustraliancity,IanRutherfurd,AmeliaTsangandSiaoKheeTan,2007
25 MediaReleasebythethenMinisterfortheEnvironment,JohnThwaites,1December,2006,cited
inCitypeopleeatrivers:estimatingthevirtualwaterconsumedbypeopleinalargeAustraliancity,IanRutherfurd,AmeliaTsangandSiaoKheeTan,2007
26 CityWestWater,MakingWaves,Edition32,April-June2007,
https://citywestwater.com.au/residential/docs/makingwaves_april_-_june.pdf27 Anon.,CountingtheEcologicalCost,TheCanberraTimes,29/05/2005,
http://canberra.yourguide.com.au/news/local/news/news-features/the-environment-counting-the-ecological-cost/526410.aspx
28 Hoekstra,A.Y.&Chapagain,A.K."Waterfootprintsofnations:Waterusebypeopleasafunctionof
theirconsumptionpattern",WaterResourceManagement,2006,DO110.1007/s11269-006-9039-x(Tables1&2),http://www.waterfootprint.org/Reports/Hoekstra_and_Chapagain_2006.pdf(accessed19September2009)
29 Pimentel,D.;Berger,B;Filiberto,D.;Newton,M.;Wolfe,B.;Karabinakis,E.;Clark,S.;Poon,E.;
Abbett,E.;andNandagopal,S.WaterResources,Agriculture,andtheEnvironment,July2004,http://www.ker.co.nz/pdf/pimentel_report_04-1.pdf(accessed29September2009)
30 SpeddingCRW1990inLewisb,AssmannG(eds)"Social&Economiccontextsofcoronary
prevention",London:CurrentMedicalLiterature,citedinStanton,R"Thecomingdietrevolution"2007,http://www.eatwelltas.org.au/PDFs/sustainability_and_diet.pps#334,69,thebalanceddiet
31 USDANationalNutrientDatabaseforStandardReferenceat
http://www.nal.usda.gov/fnic/foodcomp/search/http://www.nal.usda.gov/fnic/foodcomp/search/andviaNutritionDataathttp://www.nutritiondata.com
32 Nabors,R."U.S.soybeanyielddeclines",DeltaFarmExpress,20Aug'09,
http://deltafarmpress.com/soybeans/soybean-declines-0820/(accessed31Aug'09)33
Beuerlein,J."Bushels,TestWeightsandCalculationsAGF-503-00",OhioStateUniversityFactSheet,http://ohioline.osu.edu/agf-fact/0503.html(accessed31Aug'09)
34 PrimaryIndustryBankofAustraliaLtd,PositioningAustralianSoybeansinaWorldMarket,p.3,Dec2001,http://www.australianoilseeds.com/__data/assets/pdf_file/0017/647/GFsoybean_oz.pdf(accessed20September2009)
35 ABS1301.0-YearBookAustralia,2008Table16.9SelectedCrops-2005-06:
http://www.abs.gov.au/ausstats/[email protected]/bb8db737e2af84b8ca2571780015701e/3310BE70A6407
67DCA2573D20010BB7D?opendocument