The most dominating factor in the long run for the economy is climate change. If we do not take radical action, in 30 years, the world will lose about half a trillion US$ per year due to climate change ($479 billion). By then 150 million people have to leave their home due to sea level rise. In the year 2100, it will be 340 million, This will change economy.
Think about the consequences of this change. And think about who can do what and leave a comment.