My company has the corporate objective to implement ISO 14001 by the end of the year. My role is to manage this process. The organisation already has a number of systems in place that benefit the business and mostly cover the clauses of the Standard - internal audit, management review etc. Where there are gaps, and areas we are weak, this is where I am focusing my attention to ensure we are in as good enough position as we can be before certification auditing begins later in the year. We run a number of environmental monthly reports based on KPIs. One of these is on CO2 emissions. Although I can calculate CO2 emissions through energy use, one report that we do not run is CO2 emissions through business travel. This is because we do not currently have a way of extracting raw mileage data from expenses claims. My question to the Forum is, is it a requirement of our Aspects & Impacts Register that we have to report all CO2 emissions, even those relating to business travel? Or would just reporting energy use CO2 emissions be sufficient? I am concerned that not currently being able to fully report emissions data would hinder our chances of successful ISO 14001 certification.