New submitter arcite writes "It's official: planet Earth is now home to over seven billion ugly-bags-of-mostly-water (otherwise known as humans). We're adding ten thousand new humans every hour, or one billion every nine years. Head over to 7 Billion Actions (put together by the UN with the help of SAP) and check out the population map data. Short of adopting a strict diet of Soylent Green, what viable solutions will enable us to survive on this increasingly crowded pale blue dot? What will the role of technology be in supporting this many people?"