The atmosphere and climate of Mars is a crucial factor, both for understanding the planet’s past and appreciating the possibilities of its future. Given the high level of current interest in Mars, and the major advances afforded by recent space exploration, this book seeks to examine and review our knowledge and understanding of the meteorology and climate of Mars in its present state. This is based not only upon direct observations, but also on the newer techniques of modelling: numerical simulation and data assimilation. This authoritative discussion of Mars’ atmosphere and climate gives a balanced review of some of the hottest issues concerning Mars’ environments, its present and past climate and potential to support life, and its possible future following manned exploration.