Learn about the history of energy and how its consumption directly affects the Human Development Index (HDI). Dan Daly of the Energy and Environmental Research Center gives this presentation about how human energy consumption has changed over time. In this series we explore the use of our energy, the relation of energy use and carbon footprint in today's world, how we might break the link between energy and carbon emissions and finally, one strategy being investigated to reduce carbon footprint, carbon capture and storage.  This is Part 1 of a four part presentation series from the Plains CO₂ Reduction (PCOR) Partnership.