本文从这一理念出发，在卢卡斯模型的基础上重新构建了新的总量生产函数。

From this point, we build a new total production function on the base of Lucas model.

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联合国粮农组织2006年的报告称肉类生产时的碳排放量达到了世界总量的18%，这比全球基础交通运输的碳排量还要高。

The U. N. 's 2006 Food and Agriculture Organization report states that meat produces 18% of the world's carbon emissions -more than the global transport infrastructure.

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小麦、稻谷和玉米的消费增长大致与人口增长持平，只是总量发生变化而已。因此，粮食需求将在2005 - 2007年生产的20亿吨基础上再增加10亿吨。

Consumption of wheat, rice and maize roughly tracks population growth but at a higher level, so demand for them will add about a billion tonnes to the 2 billion produced in 2005-07.

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