香蕉视频

Dietary changes since the early 1960s have fueled a sharp increase in the amount of mined phosphorus used to produce the food consumed by the average person over the course of a year, according to a new study led by researchers at 香蕉视频.聽Between 1961 and 2007, rising meat consumption and total calorie intake underpinned a 38% increase in the world鈥檚 per capita 鈥減hosphorus footprint,鈥� the researchers conclude in a paper published online in聽Environmental Research Letters.