4- العوامل المحرِّكة الموصى بها (أُعدت استناداً إلى بيانات استُخلصت من مصادر بيانات خارجية لها صلة وافية بتقديرات انبعاثات غازات الدفيئة)
For activity data, a cluster of countries based mainly on waste management practices could be used for estimating certain types of data, such as the waste generation rate, but not for estimating other types of data, such as the amount of waste incinerated or the amount of waste deposited, because these data largely depend on national environmental waste management policies.