The International Society for Digital Earth (ISDE), inaugurated in 2006 is a non-political, non-governmental and not-for-profit international organization. Its mission is to benefit society by promoting the development and realization of Digital Earth. The purpose of ISDE is to promote international cooperation on realising the vision of Digital Earth, and enable Digital Earth technologies to play key roles in economic and socially-sustainable development, to promote information technology and to reduce digital gap. ISDE will play key role in different aspects of using natural resources, optimizing environment, protecting cultural heritage, improving disaster mitigation ability, global change studies, natural resources conservation and improvement of living standards.ISDE has successfully organized 12 International Symposia on Digital Earth and 9 Digital Earth Summits in 15 countries around the world.