BookBrowse Reviews A City on Mars by Kelly Weinersmith, Zach Weinersmith

Scientist Kelly Weinersmith and her husband, cartoonist Zach Weinersmith—self-described "space geeks"—spent four years researching the practicalities of human settlement on Mars. The result of their efforts is the wonderfully informative and entertaining A City on Mars: Can We Settle Space, Should We Settle Space, and Have We Really Thought This Through?

The couple went into the project believing, as many of us do, that space colonization will happen in the next few decades. The more they delved into the topic, however, the more they realized that space settlement's enormous technological, political and ethical challenges are nowhere close to being resolved. They speculate the timeline for space colonization is centuries, not decades.

The authors go on to outline many of the obstacles to establishing a successful settlement, why each is important to ...