The study found the most tree cover in South America. Next comes Africa south of the Sahara, followed by Southeast Asia. North Africa and West Asia have the least.

研究发现绝大部分的森林覆盖处于南美洲。接下来是非洲的撒哈拉南部，然后是西南亚。北非和西亚数量最低。

youdao

Almost two years ago, I visited Burkina Faso in West Africa, just south of the Sahara desert.

UN: Secretary-General

The pan-African Great Green African Wall (GGW), a lush strips of vegetation capable of supporting birds and other animals, would stretch from Djibouti in the Horn of Africa in the east to Dakar, Senegal in the west on the southern edge of the Sahara.

FORBES: Great Green Wall Plans to Stop Sahara

In west Africa, the land along the southern fringe of the Sahara desert is particularly fragile, and every year the growing population puts more pressure on the environment.

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