For these reasons, a more robust approach is needed, covering the full range of emissions the organisation is responsible for. It may also be appropriate for the calculation to be independently verified to ensure that the methodology has been correctly used and that the results are accurate.Find out more about the process of calculating a detailed carbon footprint.For more information on carbon offsetting see The Carbon Trust three stage approach to developing a robust offsetting strategy.For an indication of your carbon emissions, use our online tools: Now read How to calculate a basic carbon footprint or How to calculate a full carbon footprint