Lecture material covered in Chapter 3 of Boyle (2012) explains how our current energy systems work, or don't, how our us of energy has changed and continues to expand. I've added more current information about energy use in the US, Vermont and on our Randolph Center campus.
3.2: Energy: primary vs. delivered vs. used
3.3: Expanding use of energy
3.4: Energy use: national comparisons
Additional resources & lInks of interest:
From Fertilizer to zyklon B: 100 years of the scientific discovery that brought life and death (the Guardian, 2013)