Considered as a global common,outer space is a most valuable asset of the mankind for philosophical, pragmatic and scientific considerations. Rapid expansion of human activities in the outer space has posed a threat to the outer space environment and accordingly the protection of the outer space environment has emerged as a challenge of major importance for the global community as a whole. In this backdrop,an increased understanding of issues concerning the environmental impact of space activities and the need for the protection of outer space environment through international legal...