66 billion trees have been planted in China’s Great Green Wall — and they appear to be growing faster than natural forests | Live Science

A study of China's planted and natural forests reveals age, species mix, and CO2 sensitivity all contribute to how fast trees sprout leaves.

Citation: https://www.livescience.com/planet-earth/plants/trees-in-chinas-great-green-wall-appear-to-grow-faster-than-natural-forests-study-finds?lrh=ded2aa041e282fa4390fd98ecd2fee6f763acecd562ecaf180b072bb1bec3dbc