History, Big History, & Metahistory Quotes

“Vaclav Smil writes: “The diffusion and complexification of human societies have led to a large array of environmental changes that have transformed this planet during the past 5 ka, and particularly during the past 100 years, more rapidly than any other biogenic process in the planet’s history” [22, p. 240].”
― David C. Krakauer, History, Big History, & Metahistory