http://www.vodafone.com/ar2016 http://www.ghgprotocol.org/standards/corporate-standard http://www.ghgprotocol.org/scope_2_guidance http://www.ghgprotocol.org/feature/scope-3-calculation-guidance http://www.ghgprotocol.org/feature/scope-3-calculation-guidance https://www.cdp.net/Documents/Guidance/2016/CDP-2016-Climate-Change-Reporting-Guidance.pdf https://www.cdp.net/Documents/Guidance/2016/CDP-2016-Climate-Change-Reporting-Guidance.pdf https://www.cdp.net/Documents/Guidance/2016/CDP-technical-note-Accounting-of-Scope-2-Emissions-2016.pdf http://www.cdsb.net/sites/cdsbnet/files/cdsb_climate_change_reporting_framework_edition_1.1.pdf http://www.vodafone.com/content/dam/vodafone-images/sustainability/downloads/griindex2016.pdf fuel oil as well as from emissions from vehicles and as a consequence of aviation.