Concerning China, the large areas of land "unsuitable for agriculture" is probably already used and valued by local people, particularly pastoralists.

在中国，大面积的“不适宜农业”的土地可能已经被当地人们开发利用，特别是牧民们。

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Most Indian reservations, like the Laguna Indian reservation in New Mexico (pictured 1943), are in the western United States, often in arid regions unsuitable for agriculture.

多数印第安保护区，象laguna印第安保护区在新墨西哥(被生动描述1943)，是在西美国，经常在干旱的地区不合适为农业。

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We can also work on safeguarding the degraded soils of Africa, where almost 55% of the land is unsuitable for any kind of cultivated agriculture.

我们也能保护退化了的非洲土壤，那里几乎55%的土地不适合任何耕种的农业。

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But it can be done on land that is unsuitable for agriculture, as long as a source of CO2 is available.

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