01:09
China led the way in greening on land, thanks to its ambitious tree-planting programs, NASA satellite data shows.
(Video edited by Gu Chen)
We have updated our privacy policy to comply with the latest laws and regulations. The updated policy explains the mechanism of how we collect and treat your personal data. You can learn more about the rights you have by reading our terms of service. Please read them carefully. By clicking AGREE, you indicate that you have read and agreed to our privacy policies
