What exactly is "biodiversity"? You can find a fuller interpretation of it at the 15th Conference of Parties to the UN Convention on Biological Diversity, which will be held in Kunming, the capital city of Yunnan province, from Oct 11 to 24 (postponed by a year from its original schedule). Meanwhile, a Chinese-English online speaking contest, with the theme of “Ecological Civilization: Building a Shared Future For All Life on Earth”, is seeking your participation! Click here for more information: https://contest.i21st.cn/college/article.php?aid=6329.