It has an impact on food security.

如何使用耕地对食物安全有影响。

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Food security and fortunes depend on sufficient rain, and nowhere more so than in Africa, where 96% of farmland depends on rain instead of the irrigation common in more developed places.

粮食的安全和命运依赖于充足的雨水，在非洲尤其如此。在那里，96%的农田依赖于降雨，而不是较发达地区常见的灌溉。

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The authorities urged that every citizen focus attention on the security of food in the early spring.

在早春的时候，政府敦促每个市民关注食品安全。

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The team looked at thirty years' worth of information on food security and agricultural policy in Gambia, Ivory Coast and Mali.

VOA: special.2010.03.23

They attended an international conference on food security and climate change in dry areas.

VOA: special.2010.02.08

Last week,the United Nations held a World Summit on Food Security.

VOA: special.2009.11.23

President Obama also announced that they had formed a new alliance to focus on food security with African leaders and the private sector.

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President Obama also commended these leaders for their leadership on food security and engaged the leaders in a fruitful conversation about how the United States can help Africa harness the potential of its young people and empower the next generation of African leaders.

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In its 2011 Annual Global Risks Report, the WEF warned the world's economy could not withstand any further shocks to the system and identified 37 main threats to its future stability, from crippling government debt and cyber security, to unsustainable pressure on resources and food security.

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