In percentage terms, though, the study says forest area expanded fastest in the last fifteen years in Vietnam, Spain and China. And it shrank fastest in Nigeria and the Philippines.

• 虽然，研究表明在过去的十五年里百分比方面，越南、西班牙和中国的森林面积增长地最快。而尼日利亚和菲律宾减少地最快。