He last joined us in May to talk about his reality check story on Saudi Arabia's afforestation and green energy initiatives.

上次参加我们是在五月份，讲述了对沙特阿拉伯植树造林和绿色源倡议的现实调查故事。

So, the IPCC is emphasizing afforestation, which as opposed to reforestation, involves planting forests where there have been none before.

因此，IPCC 强调植树造林，这与重新造林相反，涉及在以前没有的地方种植森林。

This means any release of greenhouse gases thereafter will be balanced by the capture of such gases already in the atmosphere by, say, extra afforestation.

这意着，今后任何温室气体的排放，都将通过额外的植树造林等措施来平衡大气中已经存在的温室气体的捕获。

They are primarily food-for-work activities, whereby beneficiaries will receive food for their contributions to resilience-building measures, such as afforestation, soil and water conservation, and small-scale irrigation.

目前，这些援助资金的粮食补给以多劳多得的形式分配，这样，接受援助根据自己对构筑抗灾力举措的贡献来获取食物，贡献形式可为植树造林、保持水土、小规模灌区改造。

But afforestation means setting aside land that we'd otherwise be using for farming or building strip malls or whatever which some countries I know might have a hard time with.

但是植树造林意着预留土地，否则我们将用于耕种或建造露天购物中心或我所知道的一些国家可很难处理的任何事情。