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The aviation industry is a major source of greenhouse gas emissions. In 2011, aviation contributed around 3% of Australia's emissions. Despite improvements in efficiency, global aviation emissions are expected to grow 70% by 2020 from 2005. While the industry is seeking new renewable fuel sources, growing biofuels takes up valuable land and water that Could be otherwise used to grow food.
أكثر... ??????? ??????: Could biofuel for planes be grown in desert? || ??????: ahlam1399 || ??????: اسم منتداك
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