The year 2120 may appear a long way into the future but will come quickly. The global population reached one billion in 1804, four billion in 1974, six billion in 1999, seven billion in 2012, and nine billion predicted for 2020. Given the speed of current development under the threat of changing climate, this book attempts to project ahead but with a particular focus. Housing and feeding so many people is about saving the planet while laying the...