translation.ar: والفكرة الأخرى التي خطرت لي أيضا والتي جاء بها عالم بيئي -- حيث قام بإجراء حساب أخذ فيه ليتراً من الغاز وسأل: "حسنا٬ كم تستلزم هذه من مادة الكاربون٬ وكم من المواد العضوية؟"
translation.en: And another idea that I had as well, that was brought forward by an ecologist -- he basically did a calculation where he took one liter of gas and said, well, how much carbon it would take, and how much organic material?