The 2005–16 Trends of Ozone Pollution and Formaldehyde Columns over China Observed by Satellites
Lu Shen, Harvard Univ., Cambridge, MA; and D. J. Jacob, L. Zhu, X. Liu, G. Huang, B. Zheng, Q. Zhang, K. Li, H. Liao, M. Sulprizio, I. D. Smedt, and G. G. Abad