Agency on Demand? Holmgren, Hopkins, and the Historical Problem of Agency

All these questions are questions of agency: to what extent, if any, can humans be purposeful agents of historical change.  This question, I will suggest, has up to now been given something like a free pass in much post-carbon discourse, for reasons that I will explain in depth later.  

Seven sustainable technologies

Seven technological suites that can be sustained on a very limited resource base, produce goods or services of value even under dark age conditions, and could contribute mightily to the process of rebuilding if they get through the next five centuries or so.