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Check for Local Compliance: Verify if your region has specific regulatory requirements. Some countries, such as France, New Zealand, and the UK, mandate local reporting standards for carbon emissions, so ensure your methodology aligns with these.
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Evaluate Available Data: Consider the level of detail you have on emissions sources (e.g., vehicles, aircraft, hotels, etc.). The more detailed your data, the more accurate your carbon calculations can be.
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Choose Real-Time Updates: Decide whether you need a methodology that updates regularly, like the Travel Impact Model for flights, which adjusts daily to reflect current data and trends.
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Standard Compliance: Determine whether you want the methodology to comply with recognized standards like ISO or DIN EN. These standards can provide credibility and global acceptance of your carbon reporting.
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CO2 vs. CO2e: Decide whether your focus is strictly on CO2 emissions or if you want to include CO2e (carbon dioxide equivalent), which accounts for other greenhouse gases such as methane and nitrous oxide, for a more comprehensive understanding of total climate impact.
This structured approach helps ensure you select the most appropriate and effective methodology for your needs.