Guardian UK Carbon Emissions Scenario Model
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CategorySlider nameDefault valueMin valueMax valueUnitsBaseline CO2CO2 per unitOther contributions to CO2Electricity per unitOther contributions to electricitySlider inputCO2 outputGWh used / generatedActionscript formulae
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Manufacturing and consumptionConsumption of imported goods6.698336667210kg per month223.360278133.345633296.698336667223.360var CO2:Number = baseLineCO2 * currentValue
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Consumption of UK goods19.064496671030kg per month120.02748426.29586431121,80819.06449667120.03121,808var CO2:Number = baseLineCO2 * goodsSliderValue / (efficiencySliderValue / 100)
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Manufacturing efficiency100%50%150%%100%var electricityDemmand:Number = baseLineGWh * (3.1472113 * (goodsSliderValue / efficiencySliderValue) + 0.4)
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Proportion of rail freight11%0%100%%47.88127450.0319011%47.940var amountOfFreight:Number = data.baseLineFreight * (0.6 * (importedGoodsSliderValue/importedGoodsBaseLineValue) * (ukGoodsSliderValue/ukGoodsBaseLineValue) + 0.4)
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0.244160.0397var CO2:Number = amountOfFreight * ((currentValue / 100) * 0.03190 + (1 - (currentValue / 100)) * 0.24416) + 5.0976404
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Food waste33%0%50%% wasted87.156666765.5313283233%87.160var CO2:Number = baseLineCO2 * (1 - (dietSliderValue/100)) * (1 + (foodWasteSliderValue/100))
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Lower carbon diets0%0%50%% savings0%5,119var electricityDemmand:Number = baseLineGWh * (3.1472113 * (goodsSliderValue / efficiencySliderValue) + 0.4)
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TravelCar travel (per person per year)11300100015000km/person/year79.5110797440.0070365920771130079.510var CO2:Number = CO2PerKMCars * carSliderValue * (1 - (electricCarSliderValue/100))
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% of which is electric car travel0%0%100%%9.2386818180%var electricityDemmand:Number = carSliderValue * (electricCarSliderValue/100) * gwhPerUnit
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Rail Travel (per person per year)9686006000km/person/year2.272000000.0043319537710.0065709799619682.262,926var CO2:Number = railSliderValue * (1 - (electricRailValue/100)) * CO2PerUnit
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% of which is electric rail travel#REF!0%100%%46%var electricityDemmand:Number = railSliderValue * (electricRailValue/100) * gwhPerUnit * 1000
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Bus travel8205005000km/person/year3.1059015530.0037876655798203.110var CO2:Number = currentValue * data.co2PerUnit
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Plane travel49121007000km/person/year71.200849060.0144958034911.82495271.200var CO2:Number = currentValue * data.co2PerUnit * population / 1000000000
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HomesDomestic electricity consumption15695002000kWh/person/year1568.9364650.0095,666var electricityDemmand:Number = currentValue * population / 1000000
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Domestic heating efficiency0%0%90%%79.653354170%79.6536,999var CO2:Number = 0.00000629102 * CO2perUnit * (1 - (heatingSliderValue/100)) * (1 - (renewablesSliderValue/100)) * population
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% renewable energy for heating0%0%100%%0%0.00var electricityDemmand:Number = 0.000606782 * (1 - (heatingSliderValue/100)) * (1 - (renewablesSliderValue/100)) * population
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Other domestic fuel use1.531.531.53
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Commercial and public buildingsCommercial electricity consumption14155002000kWh/person/year01415.0603530.0086,284var CO2:Number = 0.00000629102 * CO2perUnit * (1 - (heatingSliderValue/100)) * (1 - (renewablesSliderValue/100)) * population
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Commercial heating efficiency0%0%90%%23.855665520%23.8618,708var CO2:Number = 0.00000170518 * CO2perUnit * (1 - (heatingSliderValue/100)) * (1 - (renewablesSliderValue/100)) * population
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% renewable energy for heating0%0%100%%0%0.00var electricityDemmand:Number = 0.0003068053 * (1 - (heatingSliderValue/100)) * (1 - (renewablesSliderValue/100)) * population
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Other commercial fuel use4.004.004.00
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Electricity supplyCoal20.000032Number of plants124.85561586.2427807911.469320124.86129,000var CO2:Number = co2Mult * currentValue
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Oil3.00008Number of plants2.30440770.76813590551.44132.303,260var electricitySupply:Number = gwhMult * gwhPerUnit * currentValue
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Gas45.000060Number of plants63.31324861.4069610790.63064563.31161,720
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Nuclear19.000024Number of plants0.00000000.5778421053190.0057,250
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Wind0.5210401000s of turbines0.000000020.5210.005,211
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Solar1.250020000Hectares of panels0.00000000.00121.250.002
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Tidal, wave and hydro2.985024GW0.000000012.9850.0014,929
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Total electricity demand367,509GWh
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Total electricity supply371,372GWh
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Difference1%
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Carbon intensity of electricity0.00051289MtCO2e/GWh
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CARBON BAR CHART
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MANUFACTURE & CONSUMPTIONDirect CO2CO2 from elecMtCO2e
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Imported goods223.360.00223.4
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UK-produced goods120.0362.47182.5
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Freight47.940.0047.9
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Food87.160.0087.2
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TRANSPORT AND TRAVEL
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Car travel79.510.0079.5
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Rail travel2.261.503.8
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Bus travel3.110.003.1
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Plane travel71.200.0071.2
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HOMES
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Appliances0.0049.0749.1
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Heating79.6518.9898.6
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Other1.530.001.5
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COMMERCIAL/PUBLIC BUILDINGS
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Appliances0.0044.2544.3
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Heating23.869.5933.5
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Other4.000.004.0
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TOTAL929.5
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of which706.11
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15tonnes per person per year
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or12tonnes per person are UK-based emissions
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