Changes for page 5.3.2.1. Climate change

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1		-5.3.2.1. Climate change
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1		-= 5.3.2.1. Climate change =
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4		-====== **Social challenge/ impact linked to:** ======
5		-)))|Environmental
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7		-====== **Level of importance** ======
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11		-**1** - High Importance / must have
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14		-====== **Description** ======
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16		-Man-made climate change is driven by greenhouse gas (GHG) emissions. The ‘million tonnes’ of carbon dioxide equivalent (MtC02e) is one of the best composite measures of greenhouse gas emissions as this includes a range of greenhouse gases. The SRC’s proposed planetary boundary was considered as an indicator, but it is based on a measure of CO2 alone and so, for comparability, we have chosen to use MtCO2. Carbon has by far the largest and most important impact on climate change, so it is considered a suitable indicator for use here.
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18		-There are two methods for measuring our consumption of CO2. Emissions can be measured on either a territorial or a consumption (footprint) basis. Territorial emissions are those relating only to the CO2 produced within the UK; annual UK data on CO2 produced in the UK (territorial emissions) are updated in March each year.
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20		-Consumptive emissions take a broader approach and include estimates of CO2 embedded in our imports of goods and services. There are difficulties in accurately estimating consumptive emissions and it should be noted that results tend to be more dated than territorial data, due to a more complex methodology. However, in order to compare the UK’s impact upon the planetary boundary, it is vital that consumptive emissions are used and we have opted for this as an indicator.
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25		-====== **Scale as linked to D2.2 framework** ======
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29		-* City
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32		-====== **Data source and input type** ======
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34		-* DEFRA
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37		-====== **Connection with SDGs** ======
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41		-* Goal 13: Climate action
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44		-====== **Required Data** ======
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46		-* Consumption of Co2 (MtCO2)
47		-* Greenhouse gas emission
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50		-====== **Expected Outputs** ======
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52		-* Percentage exceedance
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55		-====== **Calculation methods** ======
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57		-* •caluation of exceedance based on the SRC boundary
58		-* The planetary boundary proposed by the SRC is two tonnes CO2/year/capita on a consumptive basis.
59		-* UK’s boundary = 127.4 MtCO2/year (based on 2tCO2/year/capita x 63.7 million population)
60		-* Actual emissions = 650 MtCO2/year (2011)160
61		-* Exceedance = 522.6 MtCO2/year
62		-* Percentage exceedance: 522.6/127.4*100 = 410 percent.
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65		-====== **Level of expertise required** ======
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67		-* high
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70		-====== **Links and references** ======
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72		-* [[https:~~/~~/policy-practice.oxfam.org/resources/the-uk-doughnut-a-framework-for-environmental-sustainability-and-social-justice-344550/>>https://policy-practice.oxfam.org/resources/the-uk-doughnut-a-framework-for-environmental-sustainability-and-social-justice-344550/]]
73		-* Department of Energy and Climate Change (DECC) (2014) ‘Annual Statement of Emissions for 2012’, London: DECC, https:~/~/www.gov.uk/government/uploads/system/uploads/attachment_data/file/296152/38238_Un_Act_DECC_web_ accessible_v2.pdf
74		-* DEFRA (2012) ‘Statistical release: UK’s Carbon Footprint 1997–2011’ London: DEFRA. https:~/~/www.gov.uk/government/statistics/uks-carbon-footprint
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76		-
77		-Revisions
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79		-|**Version**|**Name**|**Date**|**Changes made**
80		-|**0.1**| | |Factsheet created
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