What will the world be like in 30 years time, in 2049? The Blade Runner sequel is well described in Roberto Giovannini’s column. But in reality what will the situation be like? Forecasts become more and more uncertain as time goes by because the speed and radicality of change are on the rise; the variables at play become more numerous and complex; political imbalances become more violent and cover up, with some background noise, even more dangerous environmental imbalances. The great phenomena started or multiplied by the 20th century (from the population boom to climate change, including migrations that may become of biblical proportions) will produce consequences that we can barely make out. It is a long term scenario that can act as a compass to find our way. Howeve...