ahlam1399
07-13-2017, 10:38 AM
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... (http://www.cnn.com/2017/07/12/middleeast/iseas-abu-dhabi-aviation-biofuel/index.html)
أكثر... (http://www.cnn.com/2017/07/12/middleeast/iseas-abu-dhabi-aviation-biofuel/index.html)