The Article talks mainly about __________.

A.A breeding program put in place at the Wolong National Nature Reserve to increase the population of giant pandas in China
B.The IUCN's reclassification of giant pandas from "endangered" to "vulnerable," as well as reactions to this move
C.A warning from the IUCN that climate change could destroy more than 35 percent of the giant panda's natural bamboo habitat in the next 80 years
D.The World Wildlife Fund's conservation efforts that led to the recovery of the giant panda, China's beloved national symbol

C. A warning from the IUCN that climate change could destroy more than 35 percent of the giant panda's natural bamboo habitat in the next 80 years

wrong

I apologize for the incorrect answer. The correct answer is B. The article talks mainly about the IUCN's reclassification of giant pandas from "endangered" to "vulnerable," as well as reactions to this move.