SCSGlobalServices（SCS）hasevaluatedanewmethodologyformeasuringthecarbonsequestration（封存） abilityofsoilundertheVerifiedCarbonStandard （VCS），aleadinggreenhousegas （GHG） accountingsystem．Themethodology，developedbyTheEarthPartners，willallowlandmanagerswhosequesterGHGsingrasslandsandfarmlandstoproducecarboncreditsforsaleinthevoluntarymarket．

Managersofgrasslandsandfarmlandscanincreasecarbonsequestrationinsoilbypracticessuchaschanginggrazing（放牧）practicesandoperatingtreatmentsdesignedtoimprovethevarietyandproductivityofplantgroups．TheEarthPartnersispresentlypilotingthismethodologywithfarmersacrosssevenmillionacresofthePalouseRiverandColumbiaPlateauregionsinthePacificNorthwest．

"TheVCSprogramhasachievedanimportantmilestoneinnowcombininggrasslandandrangelandcarbonoffsetprojects，"saidDr．RobertJ．Hrubes，ExecutiveVicePresidentofSCS．"SCSlooksforwardtoapprovingandverifyingagriculturalcarbonoffsetprojectsthatusethisverypowerfulnewmethodology．"

TheVM0021SoilCarbonQuantificationMethodologyisbasedondecadesofsoilcarbonresearchandtestingconductedbytopsoilscientists．ThemethodologywasdevelopedbyTheEarthPartnersandverifiedbyEnvironmentalServices，Inc．aswellasSCSGlobalServices．ItisthefirstsoilcarbonmethodologytobeapprovedforuseundertheVCS．

"Thiswidelytestedmethodologyisthefirsttospeciallydealwithsoilsinamarket，"saidStevenI．Apfelbaum，ChairmanofAppliedEcologicalServices，Inc．andDirectorofSciencewithTheEarthPartners．AccordingtoApfelbaum，soilsrepresentthesecondlargestlivingsinkofcarbonontheplanet．

29．Thenewmethodologyisassessedaccordingto___．

A．TheEarthPartners

B．theVerifiedCarbonStandard

C．EnvironmentalServices，Inc．

D．AppliedEcologicalServices，Inc．

30．Carbonsequestrationinsoilcanbestrengthenedby___．

A．sellingcarboncreditsinthevoluntarymarket

B．changinggrazingpracticesandoperatingtreatments

C．reducingthevarietyandproductivityofplantgroups