The International Symposium on the Magnetosphere and Its Environment was held in Christchurch, New Zealand, January 24–28, 1977. This symposium, organized by the Royal Society of New Zealand in conjunction with the Institute of Physics of New Zealand and cosponsored by URSI and AGU, was attended by nearly 80 scientists from 10 countries. Eight invited reviews and 39 contributed papers were presented, and the symposium concluded with a summary and discussion by a panel consisting of the invited speakers, in which highlights were reviewed and some of the outstanding problems discussed. Ample time was available for discussion throughout.