In 2011 the worlds population exceeded 7-billion. Each year we add nearly 80-million people and by mid-century we will require twice as much food and double the energy we use today. These are the staggering facts that confronted Dick Smith. They set him on his crusade to alert us to the dangers of unsustainable population growth. These are the facts that have convinced him that if we are to ensure the survival of our civilisation and the health of the planet then we must put a stop to population growth, now. As our cities continue their unrestrained growth, and as we confront the reality of water and power shortages, Dick challenges the