Making concrete predictions of likely or possible global scenarios over the next five, ten, twenty, fifty years is a
Here's Michael Tobis making another attempt at what the next few decades might look like. Michael predicts the collapse of industrial civilisation and is called an optimist for saying it won't be before 2030. Feel free to provide links in the comments to other specific predictions of coming decades.
I reflected back here on the shortcomings and benefits of such activities. However, at the moment I don't think I'm willing to make any predictions more specific than that the next few decades are likely to be very bumpy indeed.
One exception to this I'm happy to make is that such prognostications are likely to continue to be popular for the foreseeable future. And that most of them will be wrong.