Gore also explores how deforestation, soil erosion, and the rising world population are multiplying the effects of rising greenhouse gas emissions.

戈尔还探讨了森林采伐、水土流失和日益增加的世界人口是如何对不断增加的温室气体排放产生乘数效应的。

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But Steer says widespread use of "climate-smart" farming techniques, such as low tillage, could help soil to absorb 13% of greenhouse gas emissions each year.

但Steer表示，广泛采用“气候友好型”农作方式，如浅耕方式，可有助于土壤每年吸收13%的温室气体排放。

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Agriculture produces more greenhouse gases than all methods of transport put together, and contributes to a host of other problems, from nitrogen pollution to soil erosion.

农业产生的温室气体比交通运输所有方式加起来还要多，并且还进一步促成了从氮污染到水土流失等许多其它问题。

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"At this field site, we are very lucky to have two key bioenergy crops growing side-by-side, which is allowing us to make a comparison of their effects on soil carbon and greenhouse gas emissions from the soil, " he told BBC News.

BBC: Measuring bioenergy crops' carbon footprint credentials

The Commission says that illegal deforestation causes soil degradation, landslides, lost tax revenue, as well as an increase in the amount of greenhouse gases.

BBC: MEPs back ban on sale of illegal timber