Institute of Geography-Geoecology, Mongolian Academy of Sciences(MAS) send a letter of solidarity to IGA. The Director General, Dr. D. Battogtokh from Institute of Geography-Geoecology, MAS has emphasized in the letter of solidarity that the importance of international cooperation for nowadays. Researchers and staffs from the Institute of Geography-Geoecology donated their on-day salary for support the Chinese friends.