On November16-17, 2011 in Constantinople was held the 8th summit of the GEO (Group on Earth Observations) member Countries. The National Greek Representative and Chairman of the MKF Board Mr. C. Zerefos was represented by the Deputy National Representative and head of the Greek GEO Office Mr. Vasileios Tritakis. The Greek Geo Office operates with the support of the MKF. On November 18, Mr. Vasileios Tritakis represented the Foundation as a guest speaker at the conference of the GEO (Group on Earth Observations) “Strengthening and Development of Earth Observation Activities for the Environment in the Balkan area”, which took place in Constantinople.