纪录片《非洲》 第103期:非洲的未来（22）（在线收听）

Africa is the world's hottest continent.

非洲是世界上最炎热的大陆

And there is no doubt it's getting warmer.

它的温度毫无疑问正在继续攀升

The Sahara is the largest hot desert in the world.

撒哈拉沙漠是世界上最大的热沙漠

Very little can survive in these harsh conditions.

很少有生物能在如此严酷的条件下生存

Along the desert edge,

在沙漠的边缘

life clings on in the face of encroaching sands.

面对逼近的沙漠 生命依然顽强地生存着

But for how long?

但他们还能坚持多久呢

Alongside the wildlife,

与野生动物的的境况相似

22 million people struggle to make a living on these desert margins.

2200万人民在沙漠边缘挣扎求生

Can anything be done to stop the sand overwhelming this fragile land?

有什么措施能阻止沙漠吞噬这片脆弱的土地吗

One idea is to build a green wall of trees across 11 countries.

一种想法就是建立一条横跨11个国家的防护

The project has already started in Senegal.

该工程已经在塞内加尔开始了

But like all big ideas, it has big problems.

但所有的大想法都有大问题