The International Earth Science Olympiad - IESO, was founded as one of the major activities of the International Geoscience Education Organization (IGEO). It is an annual competition for secondary school students. The main aims of the IESO are to encourage students interest and public awareness of Earth Science and to enhance Earth Sciences learning and to enhance Earth Science teaching/learning at school level. The IESO aims further to foster friendly relationships among young learners from different countries and promoting international cooperation in exchanging ideas and materials on Earth sciences and Earth sciences education.
The Geological Society of India is the body responsible for selecting the Indian Team for the International Earth Science Olympiad. So far, the Earth Science Olympiad program in the country involved four stages: (i) National level Entrance Test, (ii) Training Camp culminating in the Indian National Earth Science Olympiad, (iii) Pre-departure training camp and (iv) International Earth Science Olympiad. The Earth Science Olympiad (ESO) is conducted by the ESO Cell at the Geological Society of India constituted by the President, Geological Society of India.
The IESO is supported by the Ministry of Earth Science (MoES), Government of India as one of its outreach programme for promotion of Earth Sciencce.