“Earth observation”, an ISEE public lecture, was held at the Sakata-Hirata Hall of Nagoya University on December 2, 2017. More than 150 participants regardless of his/her age and gender were fascinated by four lectures from Dr. Morota and Prof. Ishizaka (Nagoya University), and Dr. Abe and Dr. Obayashi (JAMSTEC) on the latest developments in earth observation.