Author: Yang Zhou Date Submitted: April, 29th, 2022 https://videopress.com/v/fNNFXvQH?resizeToParent=true&cover=true&preloadContent=metadata&useAverageColor=true ABSTRACT: Energy contributes to civilization's growth. Humans have advanced through the gathering epoch, agricultural epoch, pre-industrial epoch, and industrial epoch, each phase promoting and advancing energy use. Energy historian Vaclav Smil explains the relationship between energy and economic growth in his recent book, Energy and Civilization, with … Continue reading 5.16 Energy Sources: What is Energy?