ahlam1399
05-06-2016, 02:04 AM
Eco**mists are working on ways to put a price on the environmental damage of growing food. Take sugar: Half of what we eat comes from beets, half from cane. Each has an impact, in very different ways.
أكثر... (http://www.npr.org/sections/thesalt/2016/05/05/476600965/the-environmental-cost-of-growing-food?utm_medium=RSS&utm_campaign=news)
أكثر... (http://www.npr.org/sections/thesalt/2016/05/05/476600965/the-environmental-cost-of-growing-food?utm_medium=RSS&utm_campaign=news)