
In September 2020, against the backdrop of the coronavirus pandemic and with the global economy still reeling, China pledged that it would achieve carbon neutrality by 2060. In this two-part series, researchers from the Columbia School of International and Public Affairs explore China's progress towards that goal along two vectors: "brown" and "green." Part 2 ("green") examines how tree cover has changed in two provinces as China conducts major tree-planting efforts.