4. Weaker demand from emerging markets made 2015 the worst year for world trade since the aftermath of the global financial crisis, highlighting rising fears about the health of the global economy.
5. "You can no longer have some countries go first and others come in later, because there is no more time," said Glen P. Peters, a scientist at the Center for International Climate and Environmental Research in Oslo, who helped compile the new numbers. "It needs to be all hands on deck now."
After Peking University, known as Bei Da, and Tsinghua University, the next highest-placed Chinese university is the University of Science and Technology of China at 15, Fudan University at 16, Shanghai Jiao Tong University at 18 and Zhejiang University at 19 in the top 20.