由于矿物燃料供应量下降，我们供应农业生态系统能量能持续多久？
How long can we continue to supplement agroecosystems with energy derived from declining fossil fuel supplies?
尽管以色列已经减少了燃料供应量，以此来回应巴勒斯坦人每天发动的火箭袭击，但是，以色列仍然在往加沙地带输送足够的燃料和食物，以避免人道危机。
While Israel has reduced fuel shipments in response to daily Palestinian rocket attacks, it sends in enough fuel and food to Gaza to avoid a humanitarian crisis.
“有关生物燃料的决定应当考虑粮食安全形势，但也应考虑土地和水的供应量，”迪乌夫说。
"Decisions about biofuels should take into consideration the food security situation but also the availability of land and water," Diouf said.
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