Based on the official history* various note collection works and many materials of locals records during Ming and Qing Dynasty, the article analyses the agricultural economy development and the environmental change about the north of Shaanxi.
该文通过对明清之前陕北地区农业经济开发的回顾，利用明清时代的正史，同时广泛搜罗大量的明清笔记文集以及方志资料，对明清时期陕北地区的农业经济开发与环境变迁进行了论述和剖析。
参考来源 - 明清时期陕北的农业经济开发与环境变迁Based on the official history* various note collection works and many materials of locals records during Ming and Qing Dynasty, the article analyses the agricultural economy development and the environmental change about the north of Shaanxi.
该文通过对明清之前陕北地区农业经济开发的回顾，利用明清时代的正史，同时广泛搜罗大量的明清笔记文集以及方志资料，对明清时期陕北地区的农业经济开发与环境变迁进行了论述和剖析。
参考来源 - 明清时期陕北的农业经济开发与环境变迁·2,447,543篇论文数据，部分数据来源于NoteExpress
Therefore, the area is typical to study the environmental change of China, even of the globe since Quaternary Period, especially since the Holocene Epoch.
所以该地区是研究第四纪以来，特别是全新世以来中国及全球环境变化的典型地区。
The Carbon Trust has begun a year-long consultation and this month a meeting took place at the Environmental Change Institute at Oxford University, which is looking into carbon labelling for Tesco.
碳品联合企业已经开始实施他们长达一年的咨询工作，而本月在美国大学环境变化研究院举行的会议中更是探讨了如何为泰斯科公司的产品增添碳质标签。
This is going to be the next big environmental issue after climate change.
这将是继气候变化之后的下一个重大环境问题。
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