In the coming decades, humanity will need to address a climate crisis, stagnating productivity and ageing populations among other challenges
Events in West Asia have raised the spectre of the 21st century’s first World War. Preventing the US-Iran conflict from escalating might be the world’s immediate challenge in 2020 but, taking the long view, several, more critical challenges remain unresolved. For all the progress made so far, addressing these challenges will define our future. We highlight 10 below.