Photo showing Speakers at the ECOSUMMIt 2016 session 72, from left to right: J.C. Alvarado (Costa Rica) and colleague (in the back), J.Y. Ding (P.R. China), J.A. Blanco (Spain, session chair), P.H. Mallick (India), M. González-Sanchíz (Spain), S. Beguería (Spain).