There is a way for us to provide our population with a safe and eventually cost effective method of getting protein and protein is key by 2050 there will be nine billion hungry mouths on Earth, and the already high demand for livestock products is expected to double from what it was 20 years ago.
我們有辦法為我們的人口提供一種安全並最終成本有效的方法來獲取蛋白質,蛋白質是關鍵到2050年,地球上將有90億張飢餓的嘴,對畜產品的需求量已經很大,預計將比20年前翻一番。