Robert Zubrin is president of the Mars Society, an organization whose main mission is "To further the goal of the exploration and settlement of the Red Planet." Zubrin is one of the world's foremost promoters of terraforming Mars, with the hopes of one day making the planet habitable for human beings. Here he brings us up-to-date on the most recent scientific findings regarding water and gasses on Mars. With a sense of humor, he also describes what life would be like on Mars for the first permanent human settlers.