Humanity Accelerating to What Exactly?

We humans have been changing the world around us for tens of thousands of years. It’s pretty much what we do, we shape and we change the existing environment through design and then indifference to the results of our actions.
The sheer scale and lightning fast speed of change since the 1950s has been almost unbelievable. So incredible and so sweeping are the changes scientists call the last 65 or so years the ‘Great Acceleration’.