Note: The x-axis reports NIR sectoral total emissions estimates, and the blue error bars show the range of uncertainty. The uncertainty ranges measure precision (the range of estimates that is likely to result from repeated measurements), not accuracy (how close the emissions estimates are to their true value). For each emissions category, the NIR provides an uncertainty estimate for the activity data, the emission factor and the overall emissions estimate. For most emissions categories, emission factor uncertainty is the primary cause of overall uncertainty.

Source: Authors’ calculations using Environment and Climate Change Canada (2022h).