I took part in an exercise recently. I was told to imagine that I had come from the future, in fact seven generations or 200 years into the future. All we knew about this future world is that the systems on Earth are life-sustaining enough to hold some amount of humanity.
I was to imagine that in the time I lived – the year 2213 – there was a lot of talk about what the world was like back in 2013. The future ones knew that there had been massive change on Earth at that time, and I…