Personally I dream of the day that we are a galaxy spanning species consuming the energy equivalent of a lifetime of our sun every couple of days. I think net e

Personally I dream of the day that we are a galaxy spanning species consuming the energy equivalent of a lifetime of our sun every couple of days. I think net energy consumption is a decent measuring stick for how advanced a society is. I'm also all for sustainability. We aren't going to reach the stars if our home planet collapses before we get there.