Some of you may play Ant Forest, game on Alipay. Users collect "energy" to make their "trees" grow. When the "energy" (reach) a certain level, some organizations and (company) will plant a real tree in a desert area of China. And now it seems that the nation's efforts to make a greener world have paid .
According to a study (show) in the Nature Sustainability, China and India are (main) praised(表扬) for making the Earth greener over the past 20 years. The study has found that since 2000 the Earth's green leaf area (increase) by 5 percent, or over 5 million square kilometers. It is an area similar to the total area of Amazon rainforest. China and India help increase one third of the greening, they have only 9 percent of the planet's land area covered in vegetation(植被). In fact, China added 25 percent this increase, while India added 6.8 percent. Without doubt, China is one of (success) countries in greening the desert.
