Inventory Use back button from the browerInventory: A quantified list of an organization’s GHG emissions and sources. Related Articles: Emissions over Time – The 1 Best readCarbon dioxide equivalent defined – 1 Best readCategory 1 Purchased Goods and Services – The best calculation guidanceCategory 2 Capital Goods Scope 3 emissions – The best calculation guidanceCategory 3 Fuel and Energy Related Activities – The best calculation guidance